Intellectual Property Insights
Analysis and practical guides on intellectual property.
446 articles, checklists, and guides on intellectual property law, written by the attorneys at MC Law. Every piece is general information, not legal advice—for a specific matter, contact the firm.
Defending a Trade Secret Claim: Reverse Engineering, Independent Development, Public Disclosure, and Readily Ascertainable Information
This article explains how a trade secret claim actually gets defeated, element by element, for the company or engineer who receives a demand letter and honestly believes the work was its own. It reads the leading cases closely on what a trade secret is not: information generally known or readily ascertainable (with California's different treatment), information published in patents and applications, posted online, or sold in a product, and information an owner failed to guard. It then covers the two defenses the law protects by name, reverse engineering and independent derivation, and shows what those defenses look like as evidence, from git history and build logs to lab notebooks and clean room records. Later sections address employee general skill, contract limits, limitations after the Federal Circuit's 2026 decision in Insulet v. EOFlow, preemption of state tort claims, whistleblower immunity, unclean hands, and bad-faith fee shifting. Readers get the burdens, the splits, two worked hypotheticals, and an honest sense of which arguments win early and which wait for a jury.
Responding to a Trademark Cease-and-Desist Letter
A cease-and-desist letter is alarming, but it is the opening move in a negotiation, not the end of your business. This guide walks you through exactly what to do when one lands in your inbox: how to read it like a lawyer, how to size up the sender's rights and your own using the free public record, and how to choose among the realistic response options, from a short representation letter to a substantive denial to a preemptive declaratory-judgment suit. We explain the governing law in plain English and with primary authority, including likelihood of confusion, descriptive and nominative fair use, incontestability, laches, and abandonment, and show how each plays out through worked hypotheticals. We flag the traps, especially careless admissions and the risk that an aggressive response triggers the very lawsuit you were trying to avoid. The aim is a calm, strategic playbook that a founder, a brand manager, and the lawyer they hire can all follow.
Software Interoperability and Reverse Engineering Clearance Checklist: A Practical Checklist
This checklist walks counsel and engineering leads through clearing a software interoperability or reverse-engineering project before work begins and keeping it cleared while it runs. It is organized in phases: scoping the compatibility objective, copyright, contract and terms of service, DMCA anti-circumvention, the Computer Fraud and Abuse Act and state computer crime laws, trade secrets, patents, trademarks and marketing, and execution controls and records. Each item is specific and tied to the governing statute, rule, or leading case, with practical notes on what to look for. Red-flag boxes mark the facts that should stop a project until counsel resolves them. A deadlines and timing table, a short worked example involving a health-technology company building a connector to a hospital records system, and a list of common failure points close the checklist.
Trademark Maintenance and Renewal Checklist: A Practical Checklist
A checklist for keeping a federal trademark registration alive and strong, organized around the Lanham Act maintenance calendar: the Section 8 declaration of continued use between the fifth and sixth years and at each renewal, the combined Section 8 plus Section 9 renewal every ten years, the Section 71 path for Madrid registrations, and the optional Section 15 declaration of incontestability. It covers specimens, grace periods, the USPTO proof-of-use audit program, and the substantive threats no calendar can stop: abandonment through nonuse, genericide, and naked licensing. WHY notes, trap warnings, a common-mistakes list, and primary authority are included. Educational, not legal advice; confirm current fees and deadlines at USPTO.gov.
Evaluating the Timeliness of a Copyright Claim: A Practical Guide
This guide takes a plaintiff or a defendant through a copyright timeliness question from the first phone call to the verdict form. It explains how to identify the forum's accrual rule, sort the claims by type, build a dated chronology from documents and system records, and calculate the window correctly. It covers the evidence that wins or loses constructive discovery and repudiation disputes, what to preserve, when a tolling agreement is worth signing, and how to plead without hurting yourself. Each litigation stage gets its own decisions on motions, discovery, jury questions, and preserving the injury rule for appeal. Two worked hypotheticals, sample language, trade-offs, and a list of common mistakes make it usable on a live matter.
Domain Name Dispute Forum Selection Checklist: A Practical Checklist
This checklist turns the choice among domain name dispute procedures into a sequence of concrete questions and tasks. It starts with emergency triage for phishing and fraud, then fixes the facts that decide every forum: the top-level domain and its governing policy, the dates of the mark and the registration, the remedy the client actually needs, and who and where the registrant is. Separate fit tests cover the UDRP, the Uniform Rapid Suspension System, the major country-code policies, the in personam and in rem actions under the ACPA, and buying the name. A registrant's section covers responding, requesting a reverse domain name hijacking finding, and suing within the UDRP's ten-business-day window. The checklist closes with sequencing rules for combining procedures, a cost and timing table, a decision record, common mistakes, an FAQ, and practical takeaways.
Patent Prosecution Toolkit: A Roadmap and Research Guide
This toolkit is a high-level roadmap and curated library guide to U.S. patent prosecution, from capturing an invention through issuance and maintenance. It walks each stage: invention disclosure, patentability and freedom-to-operate searching, choosing between provisional and nonprovisional filings, drafting claims and specification, filing through Patent Center, examination and office-action responses, overcoming obviousness and eligibility rejections, allowance and issuance, paying maintenance fees, and honoring the duty of candor. At each stage it links to mclaw.io checklists and articles plus primary and official authorities including the MPEP, 35 U.S.C. Sections 101/102/103/112, and leading cases. This is general information, not legal advice; verify current USPTO fees and rules before filing.
Patent License Term Sheet: A Practical Checklist
This checklist walks a patent owner and counsel through building a license term sheet—from the threshold question of whether to license at all, through valuation and the structure of the grant, to the royalty architecture and protective machinery, to the doctrinal landmines every licensor must avoid. It covers exclusive versus non-exclusive grants and the field-of-use and territorial hybrids in between; upfronts, running royalties, minimums, and milestones; audit rights, representations, warranties, and indemnity; and the Supreme Court rules that silently make royalty streams uncollectible—the Brulotte/Kimble bar on post-expiration royalties, the Lear right of a licensee to challenge validity, patent exhaustion, and patent misuse. It flags university licensing under Bayh-Dole and standard-essential patents under FRAND. Use it to turn the right to exclude into a revenue stream without giving away the crown jewels. Educational, not legal advice.
Copyright Enforcement and DMCA Toolkit: A Roadmap and Research Guide
This toolkit is a high-level roadmap and curated library guide for enforcing copyrights and operating within the DMCA's notice-and-takedown system. It walks the process from detecting infringement, through filing and responding to DMCA takedown notices and counter-notices, qualifying for and maintaining Section 512 safe harbor as an online service provider, satisfying the registration prerequisite to suit, litigating infringement, evaluating fair use, and navigating the fast-moving generative-AI copyright disputes. At each stage it links to mclaw.io checklists and articles plus primary and official authorities including 17 U.S.C. Section 512, copyright.gov, and leading cases. This is general information, not legal advice; verify current procedures and law before acting.
Secondary Copyright Liability Risk Checklist: A Practical Checklist
This checklist turns a secondary copyright liability exposure review into phased, check-off tasks for online services and for the rightsholders evaluating them. It starts with preservation and a function map, then tests direct infringement, inducement, tailoring, and vicarious liability in the order the law now makes useful after Cox Communications v. Sony Music Entertainment. It then checks section 512 eligibility, the handling of court orders and subpoenas directed at intermediaries, and contracts and governance. A separate phase gives rightsholders a pre-suit review of theories and evidence. Each item names its authority, with practical notes and red flags, and the document can be used printed on a desk.
How to File a Trademark Application with the USPTO
A complete, current guide to registering a trademark or service mark with the U.S. Patent and Trademark Office, written for entrepreneurs, in-house teams, and the attorneys who advise them. It walks through every decision that shapes an application—Principal versus Supplemental Register, filing basis under Sections 1(a), 1(b), 44, and 66(a), goods-and-services identification and Nice classification, standard-character versus special-form drawings, and specimens that actually survive examination. It explains the USPTO's January 18, 2025 fee overhaul, which retired the TEAS Plus and TEAS Standard tiers in favor of a single base application plus surcharges, and walks through examination, the three-month office-action deadline, publication and opposition, the statement of use, registration, and post-registration maintenance under Sections 8, 9, and 15. A running hypothetical—Northbound Coffee Roasters—keeps the doctrine concrete. Educational, not legal advice; confirm current fees at USPTO.gov.
Identifying Trade Secrets in Litigation: Reasonable Particularity, Sequencing Discovery, and Protecting the Secret While You Sue
Trade secret litigation has a discovery problem no other case has: the plaintiff must describe the thing it is suing over, in writing, to the very competitor it accuses of stealing it, before it knows exactly what was taken. This article explains why courts require identification of the asserted trade secrets with reasonable particularity before discovery begins, tracing the rule from California Code of Civil Procedure section 2019.210 and the four policy reasons in DeRubeis v. Witten Technologies through the federal appellate decisions in InteliClear, Mallet, Oakwood Laboratories, TLS Management, IDX Systems, and Imax. It explains what an identification must contain, how compilation and combination secrets and negative know-how are described, when the identification can be amended, and what happens at summary judgment and trial when a plaintiff identifies too much or too little. It then covers the sequencing fight under Rule 26(b)(1), the mechanics of two-tier protective orders, source code review rooms, prosecution bars, sealing under 18 U.S.C. section 1835, Rule 502(d) clawback, and in camera review. The final sections address forensic discovery, including neutral examiners, imaging protocols, privacy objections, the DTSA ex parte seizure remedy, and Rule 37(e) spoliation in departing-employee cases, and close with an extended worked example, strategy for each side, a cost discussion, common mistakes, and a FAQ.