Summary. This checklist turns trademark fair use doctrine into a sequence of concrete tasks for brand owners, accused users, marketing teams, and litigators. It begins by framing the dispute and capturing every version of the accused use, then puts first the threshold question from Jack Daniel's Properties v. VIP Products: whether the accused party uses the term as a mark for its own goods. Separate parts work through classic descriptive fair use under 15 U.S.C. § 1115(b)(4), nominative fair use under each circuit's test, comparative advertising, expressive works under Rogers v. Grimaldi, parody, and the dilution exclusions in § 1125(c)(3). Later parts cover constitutional arguments, pleading and motion practice, evidence and surveys, pre-launch clearance of advertising and product copy, and the decisions each side makes around a cease-and-desist letter. Each item carries a short note on why it matters and the statute, case, or treatise section behind it, and the checklist closes with common mistakes and a table of key authorities.


A product manager sends over a draft landing page with one question: "Can we say this?" The page promises that the new app "works with Ledgerline," prices itself against three named competitors, and calls its reporting feature "instant insights," two words a rival registered for analytics software six years ago. Each of those choices raises a different fair use question, and each answer turns on facts nobody has gathered yet. This checklist is the order in which to gather them.

How to use this checklist

Work Parts 1 to 3 for every matter. They frame the dispute, capture the accused use, and answer the threshold question the Supreme Court made decisive in 2023. Then go to the part that fits the use: Part 4 for words that describe the user's own product, Part 5 for references to someone else's product, Part 6 for comparative advertising, Parts 7 and 8 for expressive works and parody, and Part 9 when the claimant owns a famous mark. Parts 10 to 12 cover constitutional arguments, litigation, and evidence. Part 13 is for marketing and legal teams clearing copy before launch, and Parts 14 and 15 are the decisions each side makes around a cease-and-desist letter. Each item is phrased as an action, followed by a short note and the authority behind it.

The short version. Trademark law protects a mark as a signal of source, not the words in it. Three doctrines mark the edge of that protection. Classic (descriptive) fair use lets a business use a term "otherwise than as a mark" to describe its own goods in good faith, 15 U.S.C. § 1115(b)(4), and the defendant does not have to disprove confusion to win. KP Permanent Make-Up, Inc. v. Lasting Impression I, Inc., 543 U.S. 111 (2004). Nominative fair use lets anyone name the plaintiff's own product in order to sell, repair, compare, or comment on it, so long as they take no more than they need and imply no sponsorship. New Kids on the Block v. News America Publishing, Inc., 971 F.2d 302 (9th Cir. 1992). Expressive works get the protective test of Rogers v. Grimaldi, 875 F.2d 994 (2d Cir. 1989) in the circuits that use it. All three run into the same wall: after Jack Daniel's Properties, Inc. v. VIP Products LLC, 599 U.S. 140 (2023), none of them rescues a defendant that uses the borrowed mark as its own brand. That is why Part 3 comes before everything else.

For the doctrine with full case discussion, read Trademark Fair Use: Descriptive Use, Nominative Use, and Expressive Works After Jack Daniel's. For the same ground told as a litigation sequence, see Asserting or Defeating a Trademark Fair Use Defense: A Practical Guide. Ready-to-adapt guidelines, letters, and briefing outlines are in the Trademark Fair Use Toolkit: Nominative Use Guidelines, Comparative Advertising Clearance, and Defense Briefing.

Part 1: Frame the dispute before you analyze it

  • Write down the question you are actually answering. Pre-launch clearance, a demand letter in hand, a served complaint, and a decision whether to enforce all use the same analysis but produce different outputs: a go or no-go with fixes, a response strategy, a defense plan, or a demand that will hold up when the other side's lawyer reads it.
  • List every claim that is asserted or likely. Infringement of a registered mark under 15 U.S.C. § 1114; infringement of an unregistered mark, false endorsement, or false advertising under 15 U.S.C. § 1125(a); dilution under § 1125(c); cybersquatting under § 1125(d); and state statutory and common law claims. The defenses differ by claim. Descriptive fair use is written into § 1115(b)(4) for registered marks and applied by courts to § 1125(a) claims as well; the dilution exclusions appear only in § 1125(c)(3); nominative use and Rogers are judge-made.
  • Pull the registration and read it. Check the drawing (standard characters or a stylized "special form"), the goods and services, the registration date, and incontestable status under 15 U.S.C. § 1065. A stylized registration may not protect the words standing alone: a registration for "Own Your Power" in light blue script did not stop Oprah Winfrey's magazine, event, and website from using the phrase in plain type, because the words by themselves were descriptive and lacked secondary meaning. Kelly-Brown v. Winfrey, 659 F. App'x 55 (2d Cir. 2016).
  • Do not let incontestability end the conversation. An incontestable registration cannot be challenged as merely descriptive, Park 'N Fly, Inc. v. Dollar Park & Fly, Inc., 469 U.S. 189 (1985), but § 1115(b) makes incontestable status subject to the descriptive fair use defense. KP Permanent itself involved an incontestable registration.
  • Date the competing uses. Record when the claimant registered and when the accused party first used the term. Descriptive use that predates the registration is one of the considerations the Ninth Circuit listed on remand in KP Permanent Make-Up, Inc. v. Lasting Impression I, Inc., 408 F.3d 596 (9th Cir. 2005).
  • Identify the controlling circuit. Nominative fair use has at least four formulations, and Rogers survives in some circuits and was never adopted in others. Part 5 has the circuit map.
  • Confirm the forum. Fair use defends against liability in court. In an opposition or cancellation before the Trademark Trial and Appeal Board, an applicant asking to register a term as a mark cannot coherently claim to use it otherwise than as a mark; the Board's tools for descriptive terms are refusals under 15 U.S.C. § 1052 and cancellation under 15 U.S.C. § 1064.

Notes. The most common framing mistake is analyzing the word instead of the claim. A use that is safe from an infringement claim can still draw a false advertising or dilution claim, and each has its own elements and defenses. The distinctiveness side of the dispute (whether the claimant's words deserve protection at all) is covered in the Acquired Distinctiveness and Genericness Evidence Checklist: A Practical Checklist.

Part 2: Capture the accused use exactly as consumers see it

  • Collect every version of the use. Packaging, labels, hangtags, marketplace listings, ads, landing pages, app-store pages, social posts, hashtags, influencer content, email subject lines, domain names, account handles, paid-search keywords, metatags, and alt text. Fair use is judged use by use: the Ninth Circuit reversed a summary judgment that had treated a catalog title, a promotional reference, and an online ad as one use. Marketquest Group, Inc. v. BIC Corp., 862 F.3d 927 (9th Cir. 2017).
  • Capture the presentation, not just the words. Note type size, font, color, capitalization, placement relative to the house mark, and any ™ or ® symbol. Courts decide "use as a mark" from exactly these details; a jury could find trademark use where Victoria's Secret printed "Delicious" across a tank top in the same style it used for its own sub-brands. Fortune Dynamic, Inc. v. Victoria's Secret Stores Brand Management, Inc., 618 F.3d 1025 (9th Cir. 2010).
  • Preserve it in admissible form. Use dated captures that show the URL and capture time, and keep the person who made them available to testify. Authentication runs through Fed. R. Evid. 901; see Authenticating Website Evidence: A Practical Checklist.
  • Gather what the accused party has said about the term. Pleadings, trademark applications and registrations, license agreements, press releases, investor decks, and internal naming documents. In Jack Daniel's, VIP's own complaint alleged that it owned the "Bad Spaniels" mark, and VIP had registered other parody names; the Court relied on both to find use as a mark.
  • Collect the creative history. Creative briefs, naming memos, mood boards, drafts, and emails or chat messages that mention the claimant. These documents decide good faith (Part 4) and intent (Part 8) far more often than testimony does.
  • Issue a hold once a dispute is reasonably anticipated. Losing drafts or chat logs after that point can bring sanctions under Fed. R. Civ. P. 37(e). The Litigation Hold and Evidence Preservation Checklist: A Practical Checklist has the mechanics.

Notes. Marketplace titles, keyword bids, and social handles are where careful brand copy goes to die. A product page can describe a competitor's product perfectly while the listing title, which the seller typed in a hurry, reads like a brand. Capture both.

Part 3: Answer the threshold question: is the term used as a mark?

  • Ask whether the accused term identifies the source of the user's own goods. Rogers does not apply "when an alleged infringer uses a trademark in the way the Lanham Act most cares about: as a designation of source for the infringer's own goods." Jack Daniel's Properties, Inc. v. VIP Products LLC, 599 U.S. 140 (2023). The statute defines a trademark by that function. 15 U.S.C. § 1127.
  • Score the indicators of mark use. Each of these points toward use as a mark:
    • the term sits where brands normally go (front panel, hangtag, product title, app name, shoebox);
    • it carries ™ or ®, a logo treatment, or styling that sets it apart from surrounding text;
    • it names a product line, series, collection, or business rather than a single work;
    • the user applied to register it, licensed it, or has enforced it against others;
    • it repeats across channels in a pattern that builds a sub-brand. Kelly-Brown v. Winfrey, 717 F.3d 295 (2d Cir. 2013).
  • Score the indicators of non-mark use. Sentence-case presentation in running text, a dominant house mark, and a single descriptive appearance point the other way. Cosmetically Sealed Industries, Inc. v. Chesebrough-Pond's USA Co., 125 F.3d 28 (2d Cir. 1997). A famous house mark nearby is not a free pass, though: "Gatorade is Thirst Aid" still used THIRST AID as a mark. Sands, Taylor & Wood Co. v. Quaker Oats Co., 978 F.2d 947 (7th Cir. 1992).
  • Record the consequences of a "yes." If the term is used as a mark, classic fair use fails its first element; Rogers is off the table; the dilution exclusion for parody and commentary does not apply; and the noncommercial-use exclusion does not shield it either. Jack Daniel's, 599 U.S. 140. Move to a full likelihood-of-confusion analysis, in which parody remains a relevant factor, using the Trademark Likelihood-of-Confusion Analysis: A Practical Checklist.
  • Analyze each element of a composite use separately. One label can carry a parody brand name (mark use) and descriptive copy (not mark use). The answer can differ line by line, and so can the defense.

Notes. Since 2023, courts have used this question to dispose of art and parody defenses quickly. MSCHF's distorted "Wavy Baby" sneakers, Vans, Inc. v. MSCHF Product Studio, Inc., 88 F.4th 125 (2d Cir. 2023); the name of a news business, Punchbowl, Inc. v. AJ Press, LLC, 90 F.4th 1022 (9th Cir. 2024); and "MetaBirkins" NFTs, Hermès International v. Rothschild, 678 F. Supp. 3d 475 (S.D.N.Y. 2023), all ended up in ordinary trademark territory. Assume the threshold will be contested, and build the record for it first. The Seventh Circuit's illustration is worth repeating to clients: the maker of "Crunchy" brand potato chips cannot stop competitors from describing their chips as crunchy, but it may be able to stop chips branded "Crunchy." Sorensen v. WD-40 Co., 792 F.3d 712 (7th Cir. 2015).

Part 4: Classic descriptive fair use under § 1115(b)(4)

Notes. Classic fair use is decided on summary judgment often enough that the record matters from the first week. Cosmetically Sealed, International Stamp Art, Inc. v. United States Postal Service, 456 F.3d 1270 (11th Cir. 2006), Packman, SportFuel, Sorensen, and Dessert Beauty were all summary judgments affirmed on appeal. Where the case turns on whether a phrase is a familiar expression or a borrowed hook, expect a trial. Restatement (Third) of Unfair Competition § 28 and McCarthy §§ 11:45 to 11:49 state the doctrine in treatise form.

Part 5: Nominative fair use: referring to someone else's product

  • Confirm that the use refers to the claimant or its product. Nominative use names the plaintiff's own goods (to resell, repair, compare, review, or criticize them); classic fair use describes the defendant's goods. In the Ninth Circuit the nominative test governs whenever the defendant uses the mark to describe the plaintiff's product, even if its ultimate goal is to sell its own. Cairns v. Franklin Mint Co., 292 F.3d 1139 (9th Cir. 2002).
  • Apply the controlling circuit's framework. The analytical box decides who carries the burden on a summary judgment record.
Circuit Framework Burden
Ninth New Kids test replaces the Sleekcraft factors once the defendant shows it referred to the plaintiff's product Plaintiff proves confusion. Toyota Motor Sales, U.S.A., Inc. v. Tabari, 610 F.3d 1171 (9th Cir. 2010)
Third Plaintiff proves confusion on a trimmed set of Lapp factors; defendant then proves fairness Defendant, on fairness. Century 21 Real Estate Corp. v. LendingTree, Inc., 425 F.3d 211 (3d Cir. 2005)
Second Not an affirmative defense; New Kids factors weighed alongside Polaroid Plaintiff. International Information Systems Security Certification Consortium, Inc. v. Security University, LLC, 823 F.3d 153 (2d Cir. 2016)
Fifth Considered within the confusion factors, with limits on amount and implied sponsorship Mixed. Pebble Beach Co. v. Tour 18 I Ltd., 155 F.3d 526 (5th Cir. 1998)
Sixth Ninth Circuit test declined; ordinary confusion factors Plaintiff. PACCAR Inc. v. TeleScan Technologies, L.L.C., 319 F.3d 243 (6th Cir. 2003)
Fourth and First Ordinary confusion analysis, adjusted for referential context Plaintiff. Rosetta Stone Ltd. v. Google, Inc., 676 F.3d 144 (4th Cir. 2012)

Notes. In the Ninth and Second Circuits, a defendant who refers accurately and modestly usually wins without carrying a burden of proof. In the Third Circuit, be ready to prove fairness even after losing the confusion fight. The risk in a nominative case is confusion about endorsement or affiliation rather than source, and a court must actually find that risk before enjoining a truthful reference. Swarovski Aktiengesellschaft v. Building No. 19, Inc., 704 F.3d 44 (1st Cir. 2013). McCarthy § 23:11 collects the circuit variations.

Part 6: Comparative advertising and "compare to" claims

  • Name the competitor's product in plain words. A seller may identify the product it copied or competes with, absent misrepresentation or confusion about source or sponsorship; otherwise a trademark would become a monopoly of the product. Smith v. Chanel, Inc., 402 F.2d 562 (9th Cir. 1968); Saxlehner v. Wagner, 216 U.S. 375 (1910). The Federal Trade Commission encourages truthful naming of competitors. 16 C.F.R. § 14.15.
  • Inventory every express and implied claim. Superiority ("faster than"), parity ("as good as"), price, and preference claims each need support. A claim can be literally false on its face or by necessary implication, Time Warner Cable, Inc. v. DIRECTV, Inc., 497 F.3d 144 (2d Cir. 2007), and nominative fair use is no defense to falsity under § 1125(a)(1)(B).
  • Hold the substantiation before publication. The FTC requires a reasonable basis for objective claims at the time they are made, under 15 U.S.C. § 45 and 15 U.S.C. § 52 and its 1984 Policy Statement Regarding Advertising Substantiation. If the ad says or implies that tests prove the claim (an "establishment" claim), a challenger can win by showing that the tests are not sufficiently reliable to establish it. Castrol, Inc. v. Quaker State Corp., 977 F.2d 57 (2d Cir. 1992). A specific, measurable superiority claim that invokes testing is not puffery, and it can be enjoined as literally false once the challenger proves it untrue. Castrol Inc. v. Pennzoil Co., 987 F.2d 939 (3d Cir. 1993).
  • Separate facts from puffery. A vague boast like "Better Ingredients. Better Pizza." is not actionable by itself, but the same slogan tied to specific comparisons can carry a measurable claim. Pizza Hut, Inc. v. Papa John's International, Inc., 227 F.3d 489 (5th Cir. 2000).
  • Compare like with like, and date the comparison. Match product tiers, versions, and pricing terms; footnote sources; record when the data was collected; set a review date. Competitors change prices more often than marketing teams update charts.
  • Do not alter or animate the competitor's logo. The Second Circuit affirmed an injunction under New York's dilution statute against a commercial that redrew and animated John Deere's leaping-deer logo. Deere & Co. v. MTD Products, Inc., 41 F.3d 39 (2d Cir. 1994).
  • Keep "compare to" from implying "made by." Store-brand and "dupe" marketing is lawful when truthful, but copied colors, layouts, and package shapes can suggest a common source that the words disclaim.
  • Check who can sue. A competitor with commercial injury proximately caused by the ad has statutory standing under § 1125(a). Lexmark International, Inc. v. Static Control Components, Inc., 572 U.S. 118 (2014). Many comparative disputes also go to the National Advertising Division of BBB National Programs, which moves faster than a court and publishes its decisions.

Notes. Comparative advertising is the one fair use setting where the reference is almost always fine and the claim is almost always the problem. For the falsity side, use the False Advertising Claim Checklist: A Practical Checklist. The toolkit linked above has a clearance memo and a model comparison chart.

Part 7: Expressive works: titles and content under Rogers

Notes. Where the work itself shows the use, Rogers defenses can still be decided on the pleadings: the Southern District of New York dismissed a claim over a knockoff bag that a character in The Hangover: Part II called a "Lewis Vuitton." Louis Vuitton Malletier S.A. v. Warner Bros. Entertainment Inc., 868 F. Supp. 2d 172 (S.D.N.Y. 2012). The court can consider the film because the complaint depends on it.

Part 8: Parody: the joke has to land

Part 9: Dilution claims and the § 1125(c)(3) exclusions

  • Test fame first. The claimant's mark must be "widely recognized by the general consuming public of the United States" as a designation of source, and it must have been famous before the accused use began. 15 U.S.C. § 1125(c). Fame in a niche market does not count. Coach Services, Inc. v. Triumph Learning LLC, 668 F.3d 1356 (Fed. Cir. 2012).
  • Identify the theory and demand evidence for it. Blurring impairs distinctiveness; tarnishment harms reputation. Association alone is not harm: "That a consumer may associate a negative-sounding junior mark with a famous mark says little of whether the consumer views the junior mark as harming the reputation of the famous mark." Starbucks Corp. v. Wolfe's Borough Coffee, Inc., 588 F.3d 97 (2d Cir. 2009).
  • Map the use to an exclusion. Section 1125(c)(3) excludes (A) fair use, including nominative and descriptive use, comparative advertising, and "identifying and parodying, criticizing, or commenting upon" the famous mark owner, but only when the use is "other than as a designation of source for the person's own goods or services"; (B) news reporting and news commentary; and (C) noncommercial use. After Jack Daniel's, exclusion (C) does not cover a parody used as a mark. A song that mocked a doll, by contrast, was noncommercial. MCA Records, 296 F.3d 894.
  • If the parody is used as a mark, argue parody inside the blurring factors. The exclusion is lost, but a court may still consider an obvious parody in deciding whether blurring is likely. Haute Diggity Dog, 507 F.3d 252.
  • Remember that tarnishment does not require confusion. On remand in the Bad Spaniels case, the district court in 2025 found no likelihood of confusion but held VIP liable for dilution by tarnishment. VIP's appeal was pending in the Ninth Circuit when this checklist was last revised.
  • Check state dilution statutes separately. They may not track the federal exclusions; Deere was decided under New York law.
  • Do not count on parody at the TTAB. The Board sustained an opposition to THE HOUSE THAT JUICE BUILT, and to a top-hat-and-syringe design aimed at the Yankees' logo, on the ground of likely dilution by blurring. It added that it found it "virtually impossible to conceive of a situation where a parody defense to a dilution claim can succeed in a case before the Board," because an applicant swears that its mark will identify source. New York Yankees Partnership v. IET Products and Services, Inc., 114 USPQ2d 1497 (TTAB 2015).

Notes. For fame, blurring, and tarnishment in depth, see Trademark Dilution Under the TDRA: Blurring, Tarnishment, and What It Means to Be Famous.

Part 10: First Amendment and constitutional arguments

Part 11: Pleading and motion practice

Part 12: Evidence and proof

  • Build one exhibit for each materially different use. Marketquest, 862 F.3d 927. Where the uses are voluminous, prepare a summary chart under Fed. R. Evid. 1006 and make the underlying items available.
  • Prove descriptiveness with neutral sources. Dictionaries, trade press, competitor copy, and the claimant's own usage carry more weight than a witness who says the words "just seemed right."
  • Prove good faith with documents made at the time. Naming memos that state the descriptive reason for a choice, legal review notes, a clearance search, and counsel's advice. The Shield of Good Faith: How Trademark Clearance Searches, Attorney Opinions, and USPTO Approval Protect Against Willful Infringement Claims explains how those records are used.
  • Handle confusion anecdotes with hearsay rules in mind. Misdirected emails and calls are usually offered for the declarant's state of mind under Fed. R. Evid. 803(3) or as non-hearsay under Fed. R. Evid. 801(c); count them against the volume of interactions, because a handful in millions proves little.
  • Design surveys for the right universe and with a control. The vacuum maker's survey failed because it questioned existing Kirby owners rather than the people who would read the ad. Scott Fetzer, 381 F.3d 477. Expert testimony must meet Fed. R. Evid. 702. Use the Trademark Consumer Survey Design: A Practical Checklist, and in parody cases write questions that measure source confusion rather than beliefs about what the law requires.
  • Prove dilution with evidence about these marks. In the long-running "Charbucks" litigation, the Second Circuit ultimately affirmed a finding of no likely dilution by blurring where the marks were only minimally similar. Starbucks Corp. v. Wolfe's Borough Coffee, Inc., 736 F.3d 198 (2d Cir. 2013).

Part 13: Clearing advertising and product copy before launch

  • Run descriptive words through Part 4 before they ship. Use them in lowercase, inside sentences, near the house mark, and never with ™. A word that will be a product or feature name is a new mark and needs clearance, not a fair use opinion; use the Trademark Clearance Search Checklist: A Practical Checklist.
  • Write compatibility statements as testable facts. "Works with," "compatible with," and "for use with" are fine if true and tested. Use no third-party logos unless a partner program allows it, and if the company is in one, follow the program's brand rules: a contract you signed overrides the fair use you would otherwise have.
  • Clear comparison charts as claims. Apply Part 6 to every cell of the chart, not just the headline.
  • Treat influencer, affiliate, and reseller content as the company's own. The FTC's Endorsement Guides, 16 C.F.R. Part 255, require disclosure of material connections, and a paid creator who misuses a competitor's mark creates a problem for the brand that paid. See Sponsorship, Endorsement, and Influencer Agreements: A Practical Guide.
  • Send parody campaigns to legal before the creative team falls in love with them. If the parody name will appear on a product, Part 3 decides most of the risk.
  • Keep a review log. Record the date, the reviewer, the version approved, and the basis. Good faith is far easier to prove with a log than with recollection.
  • Check insurance before there is a claim. Standard commercial general liability forms cover some "advertising injury," such as infringement of trade dress or a slogan in the insured's own advertisement, but exclude most trademark infringement. Read the policy now, and give notice promptly when a demand arrives.

Part 14: Around a cease-and-desist letter

For the brand owner, before sending

  • Run Parts 3 to 9 on the target's use first. Name the specific element that causes the problem (a logo, the styling, a domain, an unsupported claim) instead of objecting to every mention of the brand.
  • Ask for a fix in proportion to the problem. Dropping a logo, adding "independent," or moving a disclaimer often resolves a nominative dispute in a week.
  • Count the costs of overreaching. An aggressive letter can provoke a declaratory judgment action in the recipient's home court, a fee motion, and unwelcome publicity, and any complaint that follows must satisfy Fed. R. Civ. P. 11. The Drafting a Trademark Cease-and-Desist Letter Checklist: A Practical Checklist has the full sequence.
  • Audit your own descriptive uses of the term. The other side will find them, as the Kelly-Brown defendants did.

For the accused user, after receiving one

  • Preserve first, then analyze. Capture every version of the use (Part 2) before anyone edits a page.
  • Map each objection to a doctrine and grade it. Most letters mix a weak objection (mentioning the brand at all) with a stronger one (using its logo); answer them separately.
  • Make low-cost changes without conceding liability. Removing a logo or adding a disclaimer is often cheaper than arguing about it, and a change described as voluntary is not an admission.
  • Respond with facts. Dates of use, the ordinary meaning of the words, the alternatives considered, the prominence of the house mark, and the disclaimers in place. Use the Responding to a Trademark Cease-and-Desist Letter Checklist: A Practical Checklist.
  • Consider a declaratory judgment and give notice to insurers. Both decisions have deadlines that do not wait for negotiations to end.

Common mistakes

  • Treating "fair use" as one doctrine, or arguing the four copyright factors in a trademark brief.
  • Leading with Rogers or parody when the client uses the term as its own brand.
  • Alleging in your own complaint, application, or press release that the accused term is your trademark.
  • Putting a competitor's logo in a comparison chart, or ™ next to borrowed descriptive words.
  • Treating knowledge of the claimant's mark as bad faith (claimants) or ignoring documents showing the term was chosen because of the claimant's success (defendants).
  • Relying on a small disclaimer in a place nobody looks.
  • Forgetting dilution after winning on confusion, or forgetting false advertising after winning on fair use.
  • Raising constitutional challenges after the pleadings close.
  • Commissioning a parody survey that measures what respondents think the law requires.

Key authorities at a glance

Issue Leading authority
Descriptive fair use; burden 15 U.S.C. § 1115(b)(4); KP Permanent, 543 U.S. 111 (2004); KP Permanent, 408 F.3d 596 (9th Cir. 2005)
Use as a mark; house marks Kelly-Brown, 717 F.3d 295; Sands, Taylor & Wood, 978 F.2d 947; Fortune Dynamic, 618 F.3d 1025
Good faith EMI, 228 F.3d 56; Star Industries, 412 F.3d 373; Dessert Beauty, 568 F. Supp. 2d 416
Nominative fair use New Kids, 971 F.2d 302; Tabari, 610 F.3d 1171; Century 21, 425 F.3d 211; Security University, 823 F.3d 153
Resale, repair, marketplaces Prestonettes, 264 U.S. 359; Champion, 331 U.S. 125; Scott Fetzer, 381 F.3d 477; Tiffany, 600 F.3d 93
Comparative advertising Smith v. Chanel, 402 F.2d 562; 16 C.F.R. § 14.15; Time Warner Cable, 497 F.3d 144
Expressive works Rogers, 875 F.2d 994; Jack Daniel's, 599 U.S. 140; Punchbowl, 90 F.4th 1022; Vans, 88 F.4th 125
Parody Haute Diggity Dog, 507 F.3d 252; Balducci, 28 F.3d 769; Capece, 141 F.3d 188
Dilution exclusions 15 U.S.C. § 1125(c)(3); Jack Daniel's, 599 U.S. 140; Starbucks, 588 F.3d 97
Treatises McCarthy §§ 11:45 to 11:49, 23:11, 31:153 to 31:156; Restatement (Third) of Unfair Competition § 28

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

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