Proving or Defending Against Trade Secret Damages: A Practical Guide

Summary. This guide walks both sides of a trade secret case through the damages and remedies fight in the order it actually happens, from the first week after a departure or a demand letter through judgment, appeal, and collection. It explains, step by step, how to triage the remedy theory, preserve the financial and development evidence, seek or resist emergency relief and set the bond, plead and disclose damages so the theory survives Rule 37, take damages discovery, retain experts and build a head start and damages model, test the opinions through depositions, Daubert motions, and summary judgment, value the case for settlement, try the numbers with a verdict form that prevents double counting, and win or limit the equitable phase, exemplary damages, and fees. Each step identifies the decision points, the filings, the deadlines under the Federal Rules, and the moves available to the trade secret owner and to the accused employee or competitor. It draws on the Defend Trade Secrets Act, the Uniform Trade Secrets Act and key state variations, and decisions including Syntel v. TriZetto, Epic v. Tata, Motorola v. Hytera, CardiAQ v. Neovasc, Mallet v. Lacayo, and O2 Micro v. Monolithic Power. It closes with cost and fee realities, common mistakes, an extended worked example with real numbers, an FAQ, and practical takeaways.

The forensic report arrives on a Tuesday. The sales engineer who resigned last month synced 1,900 files to a personal cloud account two days before she left, and the competitor she joined has just won the two largest accounts in her old territory. The CEO's first question is not whether this is misappropriation; it is what the case is worth and what it will cost to prove. Across town, the competitor's general counsel is asking the mirror-image question, and the answer for both of them depends on decisions made in the next few weeks.

This guide follows the damages and remedies case from that first week to the last collection letter. It is written for the lawyers who run these cases and for the executives who pay for them. For the doctrine behind each step, read the companion article, Trade Secret Damages and Remedies: Unjust Enrichment, Reasonable Royalties, Injunctions, and Exemplary Awards.

The short answer

Ten steps decide nearly every trade secret damages case, and each has a plaintiff's move and a defendant's countermove:

1. Triage the remedy and preserve the evidence in the first two weeks. Decide which measure you will lead with, and preserve the financial and development records that measure needs.
2. Decide on emergency relief. A temporary restraining order (a short emergency order, usually entered before a full hearing) and a preliminary injunction set the first version of the head start period and the bond.
3. Plead every remedy and disclose a computation. Undisclosed damages theories can be excluded under Rule 37(c)(1).
4. Take damages discovery of both sides' finances, development histories, and licenses.
5. Retain experts early and build the model around the identified secrets, the head start, and a non-overlap table.
6. Test the opinions through expert depositions, Daubert motions, and summary judgment on unavailable measures.
7. Value the case and negotiate, pricing in the multiplier, fees, and collectibility.
8. Try the numbers with instructions and a verdict form that separate secrets, measures, and periods.
9. Win or limit the equitable phase: permanent injunction, royalty in lieu of an injunction, disgorgement, exemplary damages, and fees.
10. Finish: post-trial motions, interest, stays, appeal, and collection.

Five rules run through all of it. Monetary relief and injunctions are bounded by the head start, the time a legitimate competitor would have needed. The plaintiff may combine its own loss with the defendant's gain only to the extent the gain is not already counted. Avoided development costs are recoverable in some circuits and contested in others. Exemplary damages can reach twice the compensatory award for willful and malicious misappropriation. And fees run both ways, including against a plaintiff whose claim was made in bad faith.

The legal framework and the cases that set the rules

The federal remedies provision is 18 U.S.C. § 1836(b)(3): injunctions, including affirmative orders and royalty injunctions in exceptional circumstances; damages for actual loss plus unjust enrichment not counted in actual loss, or a reasonable royalty in lieu of those measures; exemplary damages up to twice the compensatory award for willful and malicious misappropriation; and fees for willful and malicious misappropriation or bad faith. Three neighboring provisions affect the money: the definitions in 18 U.S.C. § 1839, which exclude reverse engineering and independent derivation from improper means; the whistleblower notice rule of 18 U.S.C. § 1833(b), which can bar exemplary damages and fees against an employee; and 18 U.S.C. § 1837, which reaches foreign conduct when an act in furtherance occurred in the United States. The DTSA displaces no state law under 18 U.S.C. § 1838, so most complaints also plead the state version of the Uniform Trade Secrets Act (UTSA), whose sections 2 through 4 track the federal remedies.

State variations change the numbers. California allows a royalty only if neither damages nor unjust enrichment is provable (Cal. Civ. Code § 3426.3) and lets the fee award include expert witness fees (§ 3426.4). Virginia caps exemplary damages at the lesser of twice the award or $350,000 (Va. Code § 59.1-338). Texas requires clear and convincing evidence for exemplary damages (Tex. Civ. Prac. & Rem. Code § 134A.004). New York, which has no UTSA, bars avoided-cost damages under E.J. Brooks Co. v. Cambridge Security Seals, 31 N.Y.3d 441 (2018).

Where the courts genuinely divide, the step-by-step choices change:

• Avoided costs without a matching loss. Refused in the Second Circuit on Syntel's facts; allowed in the Seventh Circuit (Epic) and the Third Circuit, PPG Industries, Inc. v. Jiangsu Tie Mao Glass Co., 47 F.4th 156 (3d Cir. 2022).
• Who proves apportionment of the defendant's profits. Motorola and Restatement (Third) of Unfair Competition § 45 comment f let the plaintiff prove sales and shift deductions to the defendant; the Virginia courts in Appian Corp. v. Pegasystems Inc., Record No. 240736 (Va. Jan. 8, 2026), kept the whole burden on the plaintiff under Virginia's statute.
• Judge or jury on disgorgement. TAOS sent disgorgement to the judge; many courts still let juries decide avoided costs and profits.
• What "malicious" means. Intent to cause harm, as in the instruction left standing in Steves & Sons, Inc. v. JELD-WEN, Inc., 988 F.3d 690 (4th Cir. 2021), or conscious disregard of the owner's rights, as in Mangren Research & Development Corp. v. National Chemical Co., 87 F.3d 937 (7th Cir. 1996).

Step 1: Triage the remedy theory and preserve the evidence (weeks 0 to 2)

Most intakes are liability intakes. Run a second interview that is only about money, and write the answers down.

For the trade secret owner, ask:

• What did we lose? Name the accounts, deals, and price concessions, with dates and dollar amounts.
• What did the other side gain? A product launch, won bids, a faster development cycle, a cheaper process?
• What did the secrets cost us to develop, and do time-tracking, budgets, or engineering tickets prove it?
• Have we ever licensed this or similar information, or been offered money for it?
• When could a competitor have obtained it lawfully, through a patent publication, a product on the market, or published research?

Then pick a lead measure, because it drives everything that follows:

Size the case honestly at the same time. Multiply a realistic compensatory range by the probability of liability, add the exemplary and fee exposure that the willfulness evidence supports, and compare the result with the cost of proving it (see the cost table later in this guide).

Preserve the damages evidence, not just the liability evidence. The hold notice should reach the accounting system's product-level profit and loss data, the CRM and pipeline, pricing approvals, development budgets and time records, version control history, licensing files, and the forensic images of the departing employee's devices. A company that migrates its ERP system mid-case and can no longer report 2023 product margins has damaged its own case. See Litigation Holds, Spoliation, and Rule 37(e): Preserving Electronic Evidence Before It Costs You the Case and the Employee Departure Trade Secret Protection Checklist: A Practical Checklist.

A demand letter should identify the categories of information (not the secrets themselves), demand return and preservation, and ask for a sworn certification. Use after a clear demand is strong evidence of willfulness.

For the accused employee or competitor:

• Issue your own hold at once; Fed. R. Civ. P. 37(e) sanctions for lost electronic information reach defendants too.
• Quarantine the suspect files with a forensic copy. Do not delete them, however tempting: in Wyeth v. Natural Biologics, Inc., 395 F.3d 897 (8th Cir. 2005), destroyed evidence and false testimony turned a head start case into a permanent injunction.
• Assemble the independent development record now: dated designs, commits, lab notebooks, vendor quotes, and the people who did the work.
• Identify which revenue could be implicated, and which plainly cannot, so the damages base is narrow from the start.
• Check whether the employee's agreement contained the § 1833(b) whistleblower notice, and notify insurers.

Decision point. A defendant that promptly returns the material, certifies remediation, and stops use shrinks both the head start and the willfulness story. A plaintiff that waits months to act weakens its injunction case and invites a delay argument under Restatement (Third) of Unfair Competition § 45.

Step 2: Seek or resist emergency relief (weeks 1 to 8)

Emergency relief is where the head start period is first argued and where many cases effectively end.

1. Temporary restraining order. Under Fed. R. Civ. P. 65(b), an order entered without notice lasts at most 14 days unless extended for good cause. The Supreme Court has said such orders should preserve the status quo "just so long as is necessary to hold a hearing, and no longer," Granny Goose Foods, Inc. v. Brotherhood of Teamsters, 415 U.S. 423 (1974). Typical terms: no use or disclosure, return of devices for imaging, and preservation.
2. Preliminary injunction. The plaintiff must show likely success, likely irreparable harm, a favorable balance of hardships, and the public interest, Winter v. Natural Resources Defense Council, Inc., 555 U.S. 7 (2008). In the Second Circuit, harm is not presumed where the defendant only uses the secret without disseminating it (Faiveley), so prove the risk money cannot fix: dissemination, lost customer relationships, a defendant that cannot pay.
3. Scope. Fed. R. Civ. P. 65(d) requires specific terms. Limit the order to identified secrets and describe them in a sealed appendix, which the Ninth Circuit approved in Henry Hope X-Ray Products, Inc. v. Marron Carrel, Inc., 674 F.2d 1336 (9th Cir. 1982). A DTSA injunction cannot bar a person from taking a job, and Mallet vacated an order that ejected a competitor from the market and barred an employee without a noncompete from working for competitors.
4. Bond. Rule 65(c) requires security for a wrongfully enjoined party, and Mallet requires a case-specific analysis tying the bond to the scope of the injunction. The defendant should put real numbers in the record (lost sales, idled staff, delayed launches), because in most courts a party wrongfully enjoined can recover no more than the bond, and without a bond it generally has no damages action at all, W. R. Grace & Co. v. Local Union 759, 461 U.S. 757 (1983).
5. Appeal and stays. Orders granting or refusing injunctions are appealable at once under 28 U.S.C. § 1292(a)(1); stays pending appeal follow Nken v. Holder, 556 U.S. 418 (2009), and Fed. R. App. P. 8.

The preliminary record matters later, but it does not bind the trial: findings made on a preliminary injunction "are not binding at trial on the merits," University of Texas v. Camenisch, 451 U.S. 390 (1981). Two practical consequences follow. A plaintiff should file development-time and head start declarations it can live with at trial. And a defendant enjoined for many months should keep the calendar, because time served under a preliminary injunction can be credited against a later head start injunction, as the Ninth Circuit directed in K-2 Ski Co. v. Head Ski Co., 506 F.2d 471 (9th Cir. 1974).

Defense options. Offer a stipulated order (return, no use, a neutral forensic audit) to avoid adverse findings; argue that the secrets are unidentified or public; and insist on a bond that matches the order's real reach. The DTSA's ex parte seizure remedy under § 1836(b)(2) is rare and reserved for extraordinary circumstances. For the papers themselves, see Preliminary Injunctions and Temporary Restraining Orders: Emergency Relief in Federal Court.

Step 3: Plead the remedies and serve disclosures that will hold (months 1 to 4)

The complaint. Plead the DTSA claim (federal question jurisdiction under 28 U.S.C. § 1331), the state trade secret claim (supplemental jurisdiction under 28 U.S.C. § 1367, or diversity under 28 U.S.C. § 1332), and any contract claim on a nondisclosure or employment agreement. Demand each form of relief under Fed. R. Civ. P. 8(a)(3), state special damages specifically under Fed. R. Civ. P. 9(g), and plead the facts that make the conduct willful and malicious. Expect a motion under Fed. R. Civ. P. 12 aimed at common-law claims the state statute displaces.

The answer. Plead the defenses that cut damages: independent development, ready ascertainability, the three-year limitations period of § 1836(d), the missing § 1833(b) notice (for an employee defendant), a good faith change of position under UTSA section 3(a), and unclean hands.

The initial disclosure. Fed. R. Civ. P. 26(a)(1)(A)(iii) requires a computation of each category of damages and the documents behind it. When the defendant's data is not yet available, disclose the categories, the method, the figures you have, and the discovery that will complete the calculation, then supplement under Rule 26(e). Courts enforce this. The Second Circuit affirmed the exclusion of a lost profits theory first disclosed in a pretrial order in Design Strategy, Inc. v. Davis, 469 F.3d 284 (2d Cir. 2006), and the Ninth Circuit affirmed the exclusion of undisclosed damages calculations in Hoffman v. Construction Protective Services, Inc., 541 F.3d 1175 (9th Cir. 2008). A defendant should calendar every deficient or missing computation and raise it in writing, because a timely complaint about the gap is what makes the later motion to preclude persuasive.

The identification. The damages model can only be as precise as the list of secrets. Serve or demand a numbered identification early; the sequencing fight is covered in Managing Discovery in a Trade Secret Case: A Practical Guide.

Step 4: Take damages discovery (months 3 to 15)

Damages discovery runs in both directions, and each side's requests should track the measures in play.

What the owner should request from the defendant (using requests under Fed. R. Civ. P. 34, interrogatories, and corporate testimony under Fed. R. Civ. P. 30(b)(6)):

• Monthly revenue, units, prices, standard and actual costs, and contribution margins for the accused products and their predecessors.
• Development records: project plans, budgets, headcount, time records, engineering tickets, and commit histories, especially any roadmap written before the departures that estimated how long the work would take. The defendant's own pre-theft estimate is often the best head start evidence there is; in Winston, the defendant's actual fourteen-month development time anchored the analysis.
• Board decks, investor materials, and internal valuations that describe the product or the time saved.
• Win-loss reports, bid files, and communications with the customers the owner lost.
• Licenses and acquisitions involving comparable technology, which supply royalty benchmarks.
• Communications about the departing employees and what they brought, which carry the willfulness case.

What the defendant should request from the owner:

• The owner's own margins, capacity, and pre-departure forecasts. Lost profits need proof that the sales would have been the owner's, and a forecast that already predicted the decline is valuable.
• Win-loss data showing other reasons customers left: price, quality, service, or a product the owner did not have.
• The development budget and what it actually bought, so that avoided-cost claims can be stripped of work the defendant never used.
• The owner's licensing history, any valuations of the secrets (purchase price allocations, impairment tests, financing materials), and assessments of competitors' capabilities, which can show the information was readily ascertainable or independently reachable.

Third parties often hold the decisive facts. Customers can explain why they switched, and contract manufacturers can date a defendant's production; reach them with subpoenas under Fed. R. Civ. P. 45. Financial data belongs under an attorneys'-eyes-only tier of a protective order, with a non-waiver order under Fed. R. Evid. 502(d) for inadvertent productions. Model language for both appears in the Trade Secret Litigation Toolkit: Identification Statements, Two-Tier Protective Orders, and Forensic Protocols.

Decision point. Discovery into the defendant's net worth for exemplary damages is permitted in many courts once the claim is plausibly pleaded, but some judges defer it until the plaintiff makes a stronger showing. Ask early, because the answer affects deposition planning.

Step 5: Retain the experts and build the model (months 4 to 18)

Retain the damages expert before written discovery goes out, so that the expert tells you what to ask for. Most cases also need a technical expert, who connects each secret to the defendant's products and estimates legitimate development or reverse engineering time, and a forensic examiner, who dates the taking.

A model that survives has seven parts:

1. A secret-by-secret map. Each numbered secret is tied to the products, processes, revenue, and cost lines it affects. This is what lets the model survive a partial liability verdict; in O2 Micro, a model that valued only the full set of secrets lost its $12 million unjust enrichment award when the jury found some secrets but not others.
2. The dates. When misappropriation began (usually the date of the hypothetical negotiation), when the information became lawfully available, and when the head start ends. TAOS vacated a disgorgement award, and the exemplary award with it, because the model was never limited to a head start: more than 90 percent of the award came from sales made two or more years after the defendant had lawfully reverse engineered the design.
3. Actual loss. Lost profits on diverted sales (with proof of demand, capacity, and incremental margin), price erosion, and added costs.
4. Unjust enrichment. The defendant's incremental profits on sales the owner would not have made, and avoided costs where the forum allows them. Build avoided costs from the owner's development spend, then remove work the defendant did not use, discount for obsolescence, adjust for the defendant's labor costs (the 30 percent discount the Epic jury adopted), and subtract what the defendant actually spent. For a process secret, measure savings by comparing the defendant's cost with and without the process, International Industries, Inc. v. Warren Petroleum Corp., 248 F.2d 696 (3d Cir. 1957).
5. A reasonable royalty. Price a license at the start of the misappropriation using the factors of Georgia-Pacific Corp. v. United States Plywood Corp., 318 F. Supp. 1116 (S.D.N.Y. 1970), and University Computing, adjusted comparables, the owner's development cost as a floor (MacDermid Printing Solutions LLC v. Cortron Corp., 833 F.3d 172 (2d Cir. 2016)), the scope of use the defendant took for itself (StorageCraft Technology Corp. v. Kirby, 744 F.3d 1183 (10th Cir. 2014)), and the length of the head start (CardiAQ).
6. A non-overlap table showing that each dollar sits in one bucket only.
7. Sensitivity cases for a shorter head start, a smaller set of secrets, and the forum's rule on avoided costs.

The report must contain every opinion and its basis, the facts or data considered, exhibits, qualifications, prior testimony, and compensation under Fed. R. Civ. P. 26(a)(2)(B). Drafts and most attorney-expert communications are protected by Rule 26(b)(4), except for compensation, facts or data counsel supplied, and assumptions counsel asked the expert to accept, which are discoverable. Put the key assumptions in writing, because they will be read aloud at the deposition.

For the defense expert, a rebuttal that only criticizes is a missed opportunity. Give the jury a realistic alternative: a shorter head start supported by the technical expert, an allocation by secret, a properly discounted development cost, or a royalty grounded in real licenses. In GlobeRanger Corp. v. Software AG United States of America, Inc., 836 F.3d 477 (5th Cir. 2016), a defense claim that the technology could have been built for $140,000 did not persuade the jury, which awarded $15 million.

Step 6: Test the opinions: expert depositions, Daubert, and summary judgment (months 15 to 22)

Depose the other side's expert to fix the inputs. Which secrets did you value, and what is your number if the jury finds only one of them? What head start did you assume, and where did it come from? What other causes of the owner's losses did you consider and exclude? What part of the defendant's revenue is attributable to the secret, and how do you know? Answers to those questions become the Daubert motion. For deposition technique, see Taking and Defending an Expert Deposition: A Practical Guide.

Move to exclude specific opinions, not whole experts. Under Fed. R. Evid. 702 as amended in 2023, the proponent must show by a preponderance that the opinion rests on sufficient facts and a reliable application of reliable methods, and the court decides those preliminary questions under Fed. R. Evid. 104(a). The grounds that succeed in trade secret cases are concrete: an acquisition price treated as the value of the secrets (Storage Technology Corp. v. Cisco Systems, Inc., 395 F.3d 921 (8th Cir. 2005)); losses never linked to specific misconduct (MicroStrategy, Inc. v. Business Objects, S.A., 429 F.3d 1344 (Fed. Cir. 2005)); causation inferred from timing alone (TNS Media Research, LLC v. TRA Global, Inc., 977 F. Supp. 2d 281 (S.D.N.Y. 2013)); and a model with no per-secret allocation. The stakes are high for a plaintiff with a single damages witness: under Weisgram v. Marley Co., 528 U.S. 440 (2000), an appellate court that finds the expert's testimony inadmissible may direct judgment for the defendant if nothing else supports the award.

Use summary judgment to remove measures, not just claims. Under Fed. R. Civ. P. 56, the defense can seek rulings that avoided costs are unavailable on the facts (Syntel) or under New York law, that there is no reliable evidence of value (Carbo Ceramics, Inc. v. Keefe, 166 F. App'x 714 (5th Cir. 2006)), that recovery is limited to a pre-publication head start the plaintiff cannot prove (Group One, Ltd. v. Hallmark Cards, Inc., 254 F.3d 1041 (Fed. Cir. 2001)), or that exemplary damages and fees are barred against an employee who never received the § 1833(b) notice. The FJC's Trade Secret Case Management Judicial Guide § 7.3.4 (2023) notes the governing balance: the fact of damage must be shown with reasonable certainty, but the amount need not be, so most damages disputes go to trial unless the proof is missing or purely speculative.

Step 7: Value the case and negotiate (after the expert reports)

The best settlement window usually opens after expert reports are exchanged and before the Daubert rulings, when both sides can see the numbers and neither knows which will survive. Value the case the way a decision analyst would. A simple example:

The expected judgment is 0.65 × ($7.9 million + 0.5 × $10.4 million), or about $8.5 million. The plaintiff's expected net, after its remaining costs, is about $6.0 million; the defendant's expected total outlay, including its own remaining costs, is about $11.5 million. That gap is the bargaining range before anyone adjusts for appeal risk, delay, or collectibility, and collectibility often moves it the most. Courts often award less than the 2x maximum, so test the model with a lower multiplier as well.

Terms worth trading. Money is only one term. Settlements in these cases commonly include a paid-up license or a covenant not to sue limited to defined uses; a consent injunction that expires at the end of an agreed head start; forensic remediation with a neutral's certification; employee non-solicitation; audit rights; a stipulated judgment or liquidated amount on breach; and mutual releases. Negotiations are protected from use to prove liability or amount under Fed. R. Evid. 408, with exceptions you should know before you write anything down.

Offers of judgment. A defendant can make an offer under Fed. R. Civ. P. 68; if the plaintiff rejects it and does no better, the plaintiff bears post-offer costs. But "costs" include attorney's fees only when the underlying statute defines fees as part of costs, Marek v. Chesny, 473 U.S. 1 (1985), and the DTSA awards fees separately, so a Rule 68 offer moves less money in a trade secret case than many clients expect. For documents and mechanics, see the Settlement Toolkit: Term Sheets, Releases, Offers of Judgment, and Enforcement and Mediation and Settlement: Preparing, Negotiating, and Documenting the Deal.

Step 8: Try the damages case

Settle who decides what in the pretrial order. Damages for actual loss and royalties go to the jury on demand under Fed. R. Civ. P. 38; injunctions go to the judge; and disgorgement of the defendant's profits may go to the judge, as in TAOS and, for Lanham Act profits, Hard Candy, LLC v. Anastasia Beverly Hills, Inc., 921 F.3d 1343 (11th Cir. 2019). Because Beacon Theatres, Inc. v. Westover, 359 U.S. 500 (1959), requires common legal issues to be tried to the jury first, ask for an advisory jury under Fed. R. Civ. P. 39(c) on any equitable measure, and consider separating exemplary damages and fees under Fed. R. Civ. P. 42(b).

Motions in limine. Plaintiffs often move to exclude a defendant's lack of profits from a royalty case, as the court did under Fed. R. Evid. 403 in LinkCo, Inc. v. Fujitsu Ltd., 232 F. Supp. 2d 182 (S.D.N.Y. 2002). Defendants move to keep the jury from hearing total company revenue when the claim concerns one feature, and to exclude development costs for work the defendant never used. Both sides should address settlement communications, any criminal investigation, and references to other verdicts.

Present one story with checkable numbers. Use summaries under Fed. R. Evid. 1006, make the underlying data available, and give the jury a single chart that shows each measure, each period, and the non-overlap. For exhibit practice, see the Jury Trial Toolkit: Voir Dire, Openings, Exhibits, and Instructions.

Instructions and the verdict form. Tailor the instructions to the case; the FJC judicial guide § 10.7 warns against pattern instructions built on the older Restatement factors and against treating independent development as an affirmative defense. Include the head start limit, causation, apportionment, the bar on double recovery, and the forum's definition of willful and malicious. Then build the verdict form under Fed. R. Civ. P. 49:

1. For each numbered secret: was it a trade secret, and was it misappropriated?
2. The date lawful access became available and the length of the head start.
3. Actual loss, by component.
4. Unjust enrichment not already counted in actual loss, with avoided costs on their own line.
5. In the alternative, a reasonable royalty.
6. Whether the misappropriation was willful and malicious.

Object on the record under Fed. R. Civ. P. 51 and move under Fed. R. Civ. P. 50(a) on each measure before the case goes to the jury, or the arguments are hard to revive later.

Step 9: Win or limit the equitable phase: injunctions, exemplary damages, and fees

Permanent injunction. Apply the four factors of eBay Inc. v. MercExchange, L.L.C., 547 U.S. 388 (2006), with proof of irreparable harm rather than a presumption. Choose the right form: a use and disclosure ban limited to the identified secrets; affirmative return and destruction with forensic verification; supervised redevelopment, a tool the Sixth Circuit approved in ECIMOS, LLC v. Carrier Corp., 971 F.3d 616 (6th Cir. 2020), where the district court barred disclosure of the trade secrets and stayed a use injunction while the defendant rebuilt an infringing database from scratch under a special master appointed under Fed. R. Civ. P. 53; or, for a defendant that cannot be trusted, a broader production ban (Wyeth). Measure the duration by the head start, crediting time already served under a preliminary injunction, and do not ask for an injunction that duplicates money already awarded for the same period (CardiAQ). Damages for past use and an injunction against future use can coexist (PPG).

Royalty instead of an injunction. If the court finds exceptional circumstances, such as a defendant's good faith investment before notice, the owner should ask for security, reporting, audit rights, and automatic conversion to an injunction on default. Motorola shows why: the defendant paid slowly, and the injunction question went back to the district court.

Exemplary damages. Under the DTSA the court decides the amount, usually after a jury finding of willful and malicious misappropriation, up to twice the compensatory award. Uncapped state-law punitive damages face due process review under State Farm Mutual Automobile Insurance Co. v. Campbell, 538 U.S. 408 (2003), which in Epic produced a one-to-one ratio.

Fees and costs. The fee motion is due within 14 days of judgment under Fed. R. Civ. P. 54(d)(2). The movant must be a prevailing party (Dunster Live, LLC v. LoneStar Logos Management Co., 908 F.3d 948 (5th Cir. 2018); CRST Van Expedited, Inc. v. EEOC, 578 U.S. 419 (2016)), and the amount starts with a lodestar adjusted for results, Hensley v. Eckerhart, 461 U.S. 424 (1983). Allocate time between fee-eligible trade secret work and other claims. Do not assume expert fees are recoverable: the Supreme Court has read federal fee and cost statutes narrowly on that point, West Virginia University Hospitals, Inc. v. Casey, 499 U.S. 83 (1991), and Rimini Street, Inc. v. Oracle USA, Inc., 586 U.S. 334 (2019), while California's statute expressly allows them. Taxable costs follow 28 U.S.C. § 1920. A defendant seeking fees for a bad faith claim needs evidence that the claim was objectively weak and pursued for an improper purpose; California's test is objective speciousness plus subjective bad faith, FLIR Systems, Inc. v. Parrish, 174 Cal. App. 4th 1270 (2009). For the petition itself, see Preparing and Opposing a Fee Petition: A Practical Guide.

Step 10: Post-trial motions, judgment, appeal, and collection

Post-trial motions. Renewed motions for judgment as a matter of law under Rule 50(b) and motions for a new trial or remittitur under Fed. R. Civ. P. 59 are due within 28 days of judgment. A remittitur must give the plaintiff the option of a new trial, Hetzel v. Prince William County, 523 U.S. 208 (1998). The procedural detail is in Filing or Opposing Post-Trial Motions Under Rules 50, 59, and 60: A Practical Guide.

Judgment and interest. The plaintiff elects among overlapping measures, and the judgment should state each component. Prejudgment interest on compensatory damages is discretionary under the DTSA, by analogy to General Motors Corp. v. Devex Corp., 461 U.S. 648 (1983), and governed by state law on state claims. Post-judgment interest runs under 28 U.S.C. § 1961 from the entry of judgment, Kaiser Aluminum & Chemical Corp. v. Bonjorno, 494 U.S. 827 (1990).

Stays and appeal. A money judgment can be stayed by a bond or other security under Fed. R. Civ. P. 62, but an injunction is not stayed by an appeal unless the court orders otherwise; the stay motion goes first to the district court and then under Fed. R. App. P. 8. The notice of appeal is due within 30 days under Fed. R. App. P. 4.

Collection and enforcement. Money judgments are enforced through execution and post-judgment discovery under Fed. R. Civ. P. 69. Before judgment, a federal court generally cannot freeze assets to secure a money claim, Grupo Mexicano de Desarrollo, S.A. v. Alliance Bond Fund, Inc., 527 U.S. 308 (1999), although state-law remedies such as attachment remain available under Fed. R. Civ. P. 64. Injunction violations are punished by contempt, including against nonparties who help evade the order, ClearOne Communications, Inc. v. Bowers, 651 F.3d 1200 (10th Cir. 2011). And because the secret's status can change, either side may later ask to modify or dissolve the injunction when "applying it prospectively is no longer equitable" under Fed. R. Civ. P. 60(b)(5), for example after the information is published. See Collecting a Judgment: Discovery in Aid of Execution, Liens, Levies, and Garnishment and Contempt and Enforcing Injunctions: Civil, Criminal, and What an Order Actually Compels.

Costs and fee realities

The table gives rough planning ranges by step, drawn from practice rather than survey data; bet-the-company cases run far higher, and small departing-employee cases can stay well below them.

Three points about who pays. Fee shifting is real but not automatic; it requires a statutory trigger and prevailing-party status, and the award is usually less than the bill once the court allocates time to unsuccessful secrets and claims. Expert fees are generally not recoverable under federal fee statutes without explicit authority, which matters because experts are often the largest single line. And a defendant's best fee argument, a claim made in bad faith, depends on a record built from the first letter onward, so put the weaknesses in writing early.

Common mistakes

1. Choosing the damages theory after discovery closes. By then the expert can only use what happened to be produced.
2. A thin initial disclosure that never gets supplemented. Rule 37(c)(1) exclusion follows.
3. An all-secrets model. If the jury finds some secrets, an unallocated number may fall.
4. A head start nobody can source. The number should come from documents: development histories, roadmaps, publication dates, and reverse engineering effort.
5. Combining measures without a non-overlap table. Double counting is the most common reason damages awards are cut.
6. Asking for an injunction the record will not support, or one that duplicates a royalty the jury already awarded for the same months.
7. For defendants, offering no number. A jury given only the plaintiff's figure and "zero" tends to pick the plaintiff's figure, or something close to it.
8. For defendants, losing the preliminary injunction record, including the bond evidence that later caps any claim for wrongful injunction.
9. Forgetting preservation of objections: Rule 50(a) motions, Rule 51 objections, and inconsistency objections before the jury is discharged.

A worked example: Ridgeline Sensors v. Corvane Instruments

The facts. Ridgeline Sensors makes industrial vibration sensors. In January 2021 its firmware lead and its OEM sales director leave for Corvane Instruments; forensic review shows 2,300 files copied in their last week, including a calibration algorithm (Secret 1) and a supplier cost model (Secret 2), along with a pricing playbook (Secret 3) and a test fixture design (Secret 4). Corvane launches a competing sensor in October 2021, although its own 2020 roadmap had estimated 30 months to develop a comparable calibration routine. Ridgeline then loses three OEM accounts worth $2.0 million, $1.4 million, and $0.8 million a year in revenue, at a 38 percent incremental margin. Ridgeline sues in the Northern District of Illinois in November 2021 under the DTSA and the Illinois statute.

Steps 1 and 2. Ridgeline leads with lost profits plus Corvane's gains, with avoided costs as a second path (Ridgeline spent $7.5 million over three years on the algorithm) and a royalty as a fallback. In December 2021 the court enjoins use of Secrets 1 and 2 pending trial but refuses to stop Corvane's sales or to bar the sales director, who had no noncompete, from working. Corvane asks for a $9 million bond on the theory that all sensor sales would stop; Ridgeline proposes $250,000; the court sets $1.2 million, tied to the narrower order. Corvane assigns a separate clean-room team, which replaces the calibration routine in five months and documents every step.

Steps 3 through 5. Ridgeline's initial disclosure lists each category, its method, and the Corvane data still needed, and Ridgeline supplements twice. Corvane's answer pleads independent development, published research on vibration calibration, and the absence of the § 1833(b) notice in the firmware lead's 2019 agreement. Discovery produces a Corvane email reading "with his files we skip 18 months." The experts then frame the fight:

Step 6. The court denies both sides' Daubert motions but orders a verdict form that keeps avoided costs on its own line, and it grants Corvane partial summary judgment barring exemplary damages and fees against the firmware lead individually because his post-2016 agreement lacked the whistleblower notice.

Step 7. At mediation in month 18 Ridgeline demands $14 million and Corvane offers $1.5 million. The mediator's proposal of $4.5 million is rejected by both.

Step 8. In November 2023 the jury finds Secrets 1 and 2 misappropriated and Secrets 3 and 4 not trade secrets, sets the head start at 15 months, finds causation for the $1.4 million and $0.8 million accounts but not the $2.0 million account, and returns these lines: lost profits $1.05 million ($2.2 million a year at 38 percent for 15 months); Corvane's gain on other sales not counted in lost profits $1.10 million; avoided costs $2.0 million; royalty in the alternative $0.75 million; willful and malicious as to Corvane, yes.

Steps 9 and 10. Ridgeline elects lost profits plus avoided costs, $3.05 million, the larger non-duplicative combination and the same structure Motorola approved. No further use injunction issues, because the preliminary injunction has run longer than the 15-month head start; the court instead orders certified return and destruction verified by a neutral examiner. The court awards exemplary damages of one times compensatory ($3.05 million) rather than the maximum, citing Corvane's clean-room cooperation, and $2.2 million of Ridgeline's $2.9 million in fees after removing time spent on Secrets 3 and 4 and on the individual claims. With about $0.25 million in prejudgment interest, the judgment is roughly $8.55 million. Corvane's Rule 59 motion fails, and it posts a supersedeas bond of about $9.4 million to appeal.

What decided the case: the bond and the clean-room record from Step 2, the per-secret verdict form from Step 8, Corvane's own roadmap on one side of the head start and its clean-room team on the other, and the missing whistleblower notice that took the individual out of the multiplier.

Frequently asked questions

When should we hire the damages expert? Before written discovery is served. The expert's model decides which financial and development records you need, and an expert retained after fact discovery closes can only work with what happens to be in the file.

What if we cannot compute damages by the initial disclosure deadline? Disclose what you can: the categories, the method, the figures you already have, and the defendant's data you need. Then supplement under Rule 26(e) as the data arrives. What courts punish is silence followed by a new theory late in the case.

How do we prove the head start? With documents and engineers. The best sources are the defendant's own pre-theft roadmap or budget, the owner's development history, dated publications or product releases that made the information lawfully available, and a technical expert's estimate of reverse engineering or independent development time.

Can we recover what we spent investigating the theft? Sometimes, depending on the claim. Under the Computer Fraud and Abuse Act, 18 U.S.C. § 1030, "loss" expressly includes the cost of responding to an offense and conducting a damage assessment. Under the trade secret statutes, some courts treat remediation and customer-retention costs as actual loss, and investigation work by counsel may come back through a fee award. In a criminal case, Lagos limits restitution to costs of the government's investigation and the criminal proceedings, not a company's private investigation.

If the preliminary injunction turns out to be wrong, what can the defendant recover? Usually no more than the bond. A party wrongfully enjoined generally has no damages action absent a bond, Russell v. Farley, 105 U.S. 433 (1882), which is why the bond hearing deserves real evidence.

Should an owner accept a royalty instead of an injunction? Sometimes it is the better business outcome, particularly against a good faith defendant that invested heavily before notice. Insist on security, reporting, audits, and automatic conversion to an injunction if payments stop.

Can the departing employee personally be held liable? Yes, and often jointly with the new employer, but collectibility is usually the limit, and the missing § 1833(b) notice can take exemplary damages and fees off the table against the employee. Indemnity agreements between the employee and the new employer frequently decide who actually pays.

What happens to damages if the secret becomes public during the case? Protection ends prospectively, and damages for the earlier period remain. Group One, TAOS, and Attia v. Google LLC, 983 F.3d 420 (9th Cir. 2020), all apply that rule. Publication does not automatically end an injunction, though: UTSA section 2(a) allows it to continue for the additional time needed to eliminate the commercial advantage the defendant gained, which is how Winston measured its two-year order.

Practical takeaways

• Run a money intake in week one, pick a lead measure, and preserve the records that measure needs.
• Treat the preliminary injunction hearing as the first trial of the head start and the bond.
• Disclose a computation early and supplement it; Rule 37(c)(1) is enforced.
• Retain experts before discovery, and build a per-secret model with a non-overlap table and sensitivity cases.
• Depose the other expert for inputs, then move to exclude specific opinions on concrete grounds.
• Value the case with probabilities, the multiplier, fees, and collectibility, and mediate after reports and before Daubert rulings.
• Settle who decides each measure before trial, and use a verdict form that separates secrets, measures, and periods.
• In the equitable phase, tie any injunction to the remaining head start, avoid duplicating money already awarded, and allocate fee requests carefully.
• Use the Trade Secret Damages and Remedies Checklist: A Practical Checklist to track every step, and the model clauses and calculation templates in the Trade Secret Remedies Toolkit: Damages Models, Head Start Analyses, and Injunction Briefing.

This document is general information, not legal advice for any particular situation; the law changes, and the facts matter.

Related Documents

Related Articles

• Trade Secret Damages and Remedies: Unjust Enrichment, Reasonable Royalties, Injunctions, and Exemplary Awards: the doctrine and leading cases behind every step of this guide.
• Identifying Trade Secrets in Litigation: Reasonable Particularity, Sequencing Discovery, and Protecting the Secret While You Sue: the identification that a per-secret damages model is built on.
• Expert Witnesses After the 2023 Amendment to Rule 702: Daubert, Disclosure, and Cross-Examination: the admissibility standard your damages expert must meet.
• Preliminary Injunctions and Temporary Restraining Orders: Emergency Relief in Federal Court: the law of Step 2.
• Litigation Holds, Spoliation, and Rule 37(e): Preserving Electronic Evidence Before It Costs You the Case: preservation duties for both sides.
• Collecting a Judgment: Discovery in Aid of Execution, Liens, Levies, and Garnishment: turning a judgment into money.

Related Guides

• Trade Secret Misappropriation Litigation Under the Defend Trade Secrets Act: A Practical Guide: the liability side of the same case.
• Managing Discovery in a Trade Secret Case: A Practical Guide: sequencing, protective orders, and forensic discovery.
• Taking and Defending an Expert Deposition: A Practical Guide: the deposition work in Step 6.
• Filing or Opposing Post-Trial Motions Under Rules 50, 59, and 60: A Practical Guide: the motions in Step 10.
• Building a Damages Case: A Practical Guide from Pleading to Verdict: the general damages workflow.
• Preparing and Opposing a Fee Petition: A Practical Guide: fee motions after judgment.

Related Checklists

• Trade Secret Damages and Remedies Checklist: A Practical Checklist: every remedies task in checklist form.
• Trade Secret Identification and Discovery Checklist: A Practical Checklist: identification and discovery steps.
• Expert Deposition Preparation Checklist: A Practical Checklist: preparing to take or defend the damages expert.
• Damages Proof and Expert Model Checklist: A Practical Checklist: stress-testing a damages model.
• Preliminary Injunction and TRO Application Checklist: A Practical Checklist: emergency relief papers and the bond.

Related Toolkits

• Trade Secret Remedies Toolkit: Damages Models, Head Start Analyses, and Injunction Briefing: model language and calculation templates for the remedies phase.
• Trade Secret Litigation Toolkit: Identification Statements, Two-Tier Protective Orders, and Forensic Protocols: protective orders and forensic protocols for damages discovery.
• Post-Trial Toolkit: Rule 50 Renewals, New Trial Briefs, and Remittitur Analyses: templates for attacking or defending the verdict.
• Expert Witness Toolkit: retaining, preparing, and disclosing experts.
• Judgment Enforcement and Collections Toolkit: collection tools after judgment.