This guide covers the leading U.S. trademark cases that shape how infringement, dilution, and registration disputes are decided today. Whether you received a cease-and-desist letter, are considering filing suit, or want to bulletproof your brand before a problem starts, these are the decisions that govern the outcome.

Headline cases every practitioner and business owner should know:

• Trade-Mark Cases (1879): The Supreme Court struck down the first federal trademark statute, establishing that trademark protection must rest on the Commerce Clause, not the Copyright Clause.
• Two Pesos, Inc. v. Taco Cabana, Inc. (1992): Trade dress that is inherently distinctive is protectable without proof of secondary meaning.
• Qualitex Co. v. Jacobson Products Co. (1995): Color alone can function as a trademark when it has acquired distinctiveness.
• Romag Fasteners, Inc. v. Fossil, Inc. (2020): A plaintiff does not need to prove willful infringement to recover an infringer’s profits.
• Jack Daniel’s Properties v. VIP Products, LLC (2023): Parody does not automatically shield a defendant from infringement liability when the mark functions as a source identifier.
• Abitron Austria GmbH v. Hetronic International, Inc. (2023): The Lanham Act’s infringement provisions apply only to domestic use in commerce.
• Already, LLC v. Nike, Inc. (2013): A covenant not to sue can moot a declaratory judgment counterclaim, but only if it covers all reasonably contemplated infringing conduct.

Key Takeaways

Landmark U.S. trademark cases from 1879 through 2023 define the doctrines, tests, and remedies that govern every trademark infringement lawsuit, dilution claim, and registration dispute today.

Point	Details
Parody is not a blanket defense	After Jack Daniel’s v. VIP Products (2023), using a famous mark as a source identifier triggers ordinary likelihood-of-confusion analysis, not the Rogers threshold.
Willfulness no longer required for profits	Romag Fasteners v. Fossil (2020) removed willfulness as a prerequisite for disgorgement, raising damages exposure for all defendants.
TTAB vs. federal court is a strategic choice	TTAB decides registrability only; federal court is required for injunctions, damages, and stopping actual use of an infringing mark.
Likelihood of confusion drives most outcomes	Courts apply DuPont, Polaroid, or Sleekcraft factors; mark similarity and goods relatedness typically dominate the analysis.
Fornarolegal for South Florida disputes	Fornarolegal provides trademark clearance, TTAB representation, and federal court litigation for businesses across South Florida.

Table of Contents

• What are the most important trademark cases in U.S. law?
• What statutes govern trademark infringement and dilution?
• How does a trademark lawsuit start and proceed?
• How do courts analyze likelihood of confusion?
• What should businesses do to prevent and respond to trademark disputes?
• What recent Supreme Court decisions are changing trademark law?
• A South Florida business-law perspective on trademark priorities
• Trademark counseling and litigation services for South Florida businesses
• Primary sources and recommended further reading
• Sources

What are the most important trademark cases in U.S. law?

The table below organizes the landmark decisions by doctrinal category, with the holding and its practical effect on litigation and business strategy.

Trade-Mark Cases (1879): the constitutional foundation

The Supreme Court’s 1879 consolidated ruling in United States v. Steffens, United States v. Wittemann, and United States v. Johnson invalidated the Trademark Act of 1876 on the ground that Congress had no power to enact it under the Copyright or Patent Clause. The Court reasoned that trademarks are not the product of intellectual creation in the constitutional sense. The practical consequence was a 10-year gap in federal trademark protection until Congress passed a new statute grounded in the Commerce Clause. Every modern Lanham Act provision traces its constitutional legitimacy to that correction.

Two Pesos v. Taco Cabana (1992): trade dress and inherent distinctiveness

Taco Cabana sued Two Pesos for copying its festive, brightly colored restaurant décor. The Supreme Court held that trade dress that is inherently distinctive can be protected under § 1125(a) without any showing of secondary meaning. Before this decision, defendants routinely argued that a plaintiff had to prove consumers associated the look with a single source before protection attached. Two Pesos shut that argument down for inherently distinctive dress, which matters enormously for startups and restaurants that have not yet built years of brand recognition.

Qualitex v. Jacobson Products (1995): color as a trademark

Qualitex registered the specific shade of green-gold it used on dry-cleaning press pads. Jacobson copied the color. The Supreme Court held unanimously that color alone can qualify as a trademark once it has acquired distinctiveness, rejecting the argument that color is categorically unprotectable. The decision opened the door to color-mark registrations across industries, from Tiffany blue to UPS brown.

Romag Fasteners v. Fossil (2020): disgorgement without willfulness

Romag made magnetic fasteners that Fossil used in handbags without authorization. The central question was whether a plaintiff must prove willful infringement to recover the defendant’s profits. The Supreme Court said no. Prior to Romag, circuits were split, and some required plaintiffs to clear a high willfulness bar before disgorgement was even on the table. Now, willfulness is one factor courts may weigh in equity, but it is not a threshold requirement. The decision raised the stakes for any defendant using another’s mark, even inadvertently. Courts and practitioners treat Romag as a significant shift in how damages in trademark suits are analyzed.

Jack Daniel’s Properties v. VIP Products (2023): the limits of parody

VIP Products sold a squeaky dog toy shaped like a Jack Daniel’s bottle, with parodic label text. Jack Daniel’s sued for infringement and dilution. The Supreme Court held that when a defendant uses a mark as a designation of source for its own goods, the Rogers expressive-works test does not apply. Instead, courts run the ordinary likelihood-of-confusion analysis. The parody element remains relevant, but only as one factor in that analysis, not as a threshold bar to the claim. For businesses that have built a brand around humorous references to famous marks, this decision is a warning: if your product is sold under that reference, you are not automatically protected because the parody defense alone does not guarantee immunity.

Abitron Austria GmbH v. Hetronic International (2023): extraterritorial limits

Hetronic, a U.S. company, sued Abitron, an Austrian distributor, for selling infringing radio remote controls primarily in Europe. The Supreme Court held that the Lanham Act’s core infringement provisions apply only to domestic use in commerce. Foreign sales, even by a U.S. licensee’s former distributor, fall outside the statute’s reach unless the infringing use occurs in U.S. commerce. For companies with international supply chains or distribution networks, this decision means that foreign infringement requires separate legal strategies in each relevant jurisdiction.

Already, LLC v. Nike, Inc. (2013): mooting invalidity claims

Nike sued Already for infringing its Air Force 1 trade dress. Already counterclaimed that the trade dress was invalid. Nike then issued a broad covenant not to sue, covering Already and its successors for any colorable imitation of Already’s existing products. The Supreme Court held the counterclaim was moot because the covenant eliminated any concrete dispute. The lesson for trademark holders: a carefully drafted covenant can terminate litigation and eliminate an invalidity challenge, but the covenant must be broad enough to cover all conduct the defendant could realistically engage in.

Pro Tip: When a defendant files an invalidity counterclaim, evaluate whether a covenant not to sue is strategically preferable to litigating validity. A well-drafted covenant can end the case and preserve your registration, but a narrow one may not moot the claim and could leave you worse off.

What statutes govern trademark infringement and dilution?

Trademark law in the United States is primarily statutory, built on the Lanham Act of 1946 and its subsequent amendments. Understanding the statutory text is not optional for practitioners or businesses facing a dispute.

Infringement under the Lanham Act

To prevail on a trademark infringement claim, a plaintiff must establish three elements under 15 U.S.C. § 1114 (for registered marks) or § 1125(a) (for unregistered marks):

1. Ownership of a valid, protectable mark. Registration on the Principal Register creates a presumption of validity and nationwide priority, but common-law rights can also support a claim.
2. Defendant’s use of a similar mark in commerce. The use must be in connection with the sale, offering for sale, distribution, or advertising of goods or services.
3. Likelihood of consumer confusion. This is the central inquiry. Courts apply multi-factor tests (discussed in detail below) to determine whether relevant consumers are likely to be confused about the source, sponsorship, or affiliation of the goods or services.

Likelihood of confusion is the central focus of an infringement claim under the Lanham Act, and it is where most trademark disputes are actually won or lost.

Dilution under 15 U.S.C. § 1125©

Dilution is a separate cause of action available only to owners of famous marks. Under 15 U.S.C. § 1125©, a famous mark owner can sue for dilution by blurring (weakening the mark’s distinctiveness) or tarnishment (harming the mark’s reputation) without needing to prove consumer confusion. The mark must have been famous at the time the defendant began using the allegedly diluting mark.

The statute lists three important exclusions:

• Fair use, including nominative or descriptive use, or use in comparative advertising
• News reporting and commentary
• Noncommercial use

Jack Daniel’s v. VIP Products clarified that these exclusions are not unlimited. When a defendant uses a mark as a source identifier for its own goods, the noncommercial use and parody exclusions do not automatically apply.

Remedies under the Lanham Act

The Lanham Act provides a range of remedies under 15 U.S.C. § 1117:

• Injunctive relief under § 1116: the most commonly sought remedy, stopping the infringing use
• Defendant’s profits: available without a willfulness showing after Romag; subject to equitable principles
• Actual damages: plaintiff’s lost profits or sales diverted by the infringement
• Treble damages: courts can award up to three times actual damages in exceptional cases
• Attorney’s fees: available in “exceptional cases” under § 1117(a); the standard was clarified by Octane Fitness v. ICON Health (applied by analogy from patent law)
• Statutory damages for counterfeit marks: between $1,000 and $200,000 per counterfeit mark per type of goods or services, and up to $2,000,000 for willful counterfeiting

The TTAB’s role and its limits

The Trademark Trial and Appeal Board (TTAB) is an administrative tribunal within the USPTO that decides registration-related disputes: oppositions (challenging a pending application before registration), cancellations (challenging an existing registration), and concurrent use proceedings. The TBMP is the procedural manual governing TTAB practice and is the primary reference for timelines, evidence rules, and motion practice before the Board.

What the TTAB cannot do matters as much as what it can. It cannot award damages, cannot issue injunctions against use, and cannot rule on broader claims of unfair competition. A party that wins a cancellation proceeding at the TTAB still needs a federal court action to stop the defendant from using the mark and to recover money. That distinction drives most strategic decisions about where to file.

Because USPTO registration is evidence of validity but not an absolute shield, businesses should plan for parallel risks. A successful registration does not prevent a later federal court infringement claim that can produce different results based on broader evidence.

How does a trademark lawsuit start and proceed?

The procedural path in a trademark dispute depends on whether you are in federal court or before the TTAB, and those two tracks have very different timelines, costs, and available remedies.

The federal court path

1. Cease-and-desist letter. Most trademark disputes begin here. The letter identifies the mark, the alleged infringement, and demands the defendant stop. It is not a lawsuit, but it starts the clock on settlement negotiations and can affect later arguments about willfulness.
2. Complaint and service. If the C&D fails, the plaintiff files a complaint in federal district court. Federal courts have exclusive jurisdiction over Lanham Act claims. The USPTO’s guidance for defendants outlines the immediate procedural obligations: the defendant typically has 21 days to respond after service (or 60 days if the defendant waives formal service).
3. Answer or Rule 12 motion. The defendant can answer the complaint, move to dismiss under Rule 12(b)(6) for failure to state a claim, or move to transfer venue. Many defendants also file counterclaims for invalidity or cancellation of the plaintiff’s registration.
4. Discovery. Trademark cases are discovery-intensive. Both sides gather evidence on likelihood of confusion: consumer surveys, advertising spend, sales data, channels of trade, and evidence of actual confusion. This phase typically runs 6–12 months in a contested case.
5. Summary judgment motions. Courts frequently resolve trademark cases on summary judgment, particularly when the likelihood-of-confusion factors clearly favor one side. A strong survey or clear mark similarity often determines the outcome here.
6. Trial. Bench trials are common in trademark cases. Jury trials are available when damages are at issue. Trial preparation and expert witnesses (survey experts, damages experts) add significant cost.
7. Appeal. Appeals go to the relevant U.S. Court of Appeals. The Federal Circuit hears appeals from TTAB decisions; regional circuits handle district court appeals.

Practical timeline: A contested federal trademark case from complaint to judgment typically takes 2–4 years. Cases that settle after discovery but before trial often resolve in 12–18 months.

Practical cost range: Litigation through trial in a contested trademark case can cost anywhere from $150,000 to well over $1,000,000 depending on the complexity of the mark, the number of products at issue, and whether consumer surveys are commissioned. Early settlement or ADR can reduce that exposure dramatically.

TTAB vs. federal court: which forum fits your situation?

Factor	TTAB	Federal Court
What it decides	Registrability only (oppositions, cancellations)	Infringement, unfair competition, dilution, and registrability
Remedies available	None (no damages, no injunctions against use)	Injunctions, damages, disgorgement, attorney’s fees
Cost (relative)	Generally lower; no jury, limited discovery	Higher; full civil litigation rules apply
Timeline	12 months for a contested proceeding	2–4 years for a contested case through trial
Evidence scope	Focused on registrability factors	Broader; includes market evidence, surveys, damages proof
Appeal path	Federal Circuit	Regional U.S. Court of Appeals

Pro Tip: For multi-jurisdictional trademark disputes involving parties in multiple countries, ADR through mediation can resolve several related proceedings in a single process, with confidentiality protections that court litigation cannot provide. The EUIPO Mediation Centre reports that this approach has resolved complex cross-border disputes more efficiently than parallel national court proceedings. For Florida businesses with international exposure, consider arbitration or mediation before committing to full federal court litigation.

How do courts analyze likelihood of confusion?

Likelihood of confusion is not a gut-check. Courts apply structured multi-factor tests, and the factors that dominate the analysis are fairly predictable once you know which circuit you are in.

The DuPont factors (USPTO and Federal Circuit)

The DuPont framework is the standard at the USPTO and TTAB, and the Federal Circuit applies it on appeal. The 13 factors include:

1. Similarity of the marks in appearance, sound, and meaning
2. Similarity of the goods or services
3. Similarity of established trade channels
4. Conditions of purchase (impulse vs. careful, sophisticated buyers)
5. Fame of the prior mark
6. Number and nature of similar marks in use on similar goods
7. Evidence of actual confusion
8. Length of time of concurrent use without actual confusion
9. Variety of goods on which the mark is used
10. Market interface between applicant and owner
11. Applicant’s right to exclude others from use
12. Extent of potential confusion
13. Any other established fact probative of the effect of use

In practice, factors 1 (mark similarity), 2 (goods/services relatedness), and 5 (mark strength/fame) carry the most weight. A court that finds the marks nearly identical and the goods directly competing rarely needs to go further.

Circuit variations: Polaroid, Sleekcraft, and Lapp

The Second Circuit applies the Polaroid factors (from Polaroid Corp. v. Polarad Electronics Corp., 1961), which include mark strength, degree of similarity, proximity of products, likelihood of bridging the gap, actual confusion, good faith, quality of the junior user’s product, and sophistication of buyers.

The Ninth Circuit uses the Sleekcraft factors (from AMF Inc. v. Sleekcraft Boats, 1979): strength of the mark, proximity of goods, similarity of marks, evidence of actual confusion, marketing channels, degree of care, defendant’s intent, and likelihood of expansion.

The Third Circuit applies the Lapp factors, which overlap substantially with DuPont but place particular emphasis on the sophistication of the relevant consumer class.

The circuit you are in shapes your litigation strategy. A case in the Southern District of Florida goes to the Eleventh Circuit on appeal, which applies its own multi-factor test derived from the same core principles. Knowing which factors that circuit weights most heavily informs how you build your evidence from day one.

Applied examples: how factors tip the balance

Mark similarity dominates when goods overlap. In cases where a junior user adopts a mark that is phonetically identical to a senior user’s registered mark and sells the same category of goods, courts routinely find infringement without needing to reach the remaining factors. The similarity of the marks and the relatedness of the goods together create a near-irrebuttable inference of confusion.

Sophisticated buyers can save a defendant. When the relevant consumers are professionals who make careful, high-dollar purchasing decisions, courts give significant weight to the sophistication factor. A B2B software company selling to IT directors is treated very differently from a consumer goods brand selling to general retail shoppers.

Actual confusion evidence is powerful but not required. Survey evidence showing that a meaningful percentage of relevant consumers were confused about source or affiliation can be decisive. Conversely, long periods of concurrent use without documented confusion can help a defendant argue that confusion is unlikely. For digital evidence preservation in trademark disputes, working with forensic specialists early can help secure and authenticate the kind of electronic records that support or rebut actual-confusion claims.

What should businesses do to prevent and respond to trademark disputes?

Prevention is cheaper than litigation by a wide margin. The steps below apply whether you are building a brand from scratch or managing an existing portfolio.

Prevention checklist

1. Run a clearance search before you adopt any mark. A full clearance search covers the USPTO database, state registrations, common-law uses, and domain names. Skipping this step is the single most common reason businesses end up in trademark disputes. See the Florida brand protection guide for a practical starting framework.
2. File for federal registration promptly. Registration on the Principal Register gives you nationwide constructive notice, a presumption of validity, and the right to use the ® symbol. It also gives you access to the Customs and Border Protection recordation program to stop counterfeit imports.
3. Use the mark correctly and consistently. Always use the mark as an adjective, not a noun or verb. Keep the mark visually consistent. Inconsistent use can weaken distinctiveness and undermine enforcement.
4. Build a policing program. Monitor the USPTO’s Official Gazette for conflicting applications. Set up Google Alerts and domain monitoring. File oppositions at the TTAB within the 30-day opposition window when you find a conflicting application.
5. Keep records. Document your first use in commerce, advertising spend, sales figures, and any instances of actual confusion. This evidence is critical if you ever need to prove priority or damages.

Immediate response after receiving a C&D or complaint

• Preserve all relevant evidence immediately. Litigation hold notices should go out the same day. Deleting or modifying records after notice of a claim can result in sanctions.
• Evaluate your priority position. When did you first use the mark in commerce? Do you have a registration? Is the plaintiff’s mark actually valid and protectable?
• Assess the strength of the plaintiff’s mark. Weak, descriptive marks are harder to enforce. If the plaintiff’s mark is generic or descriptive without secondary meaning, invalidity is a viable defense.
• Consider your TTAB exposure. If the plaintiff has a registration, could you cancel it? A TTAB cancellation proceeding can sometimes be a more cost-effective path than defending a federal court action.
• Run a cost-benefit analysis on settlement. Most trademark disputes settle. Early settlement, before significant discovery costs accumulate, is almost always cheaper than litigating to judgment. See what happens after someone uses your trademark for a practical breakdown of your options.

Pro Tip: Consumer survey evidence is expensive (typically $30,000–$80,000 for a well-designed study), but it is often the most persuasive evidence on likelihood of confusion. Commission a survey early if the case is likely to go to trial. A survey conducted after the defendant has changed its mark or packaging may be inadmissible or irrelevant. Timing matters as much as methodology.

Litigation strategy pointers

Build your evidence around the factors that dominate in your circuit. In the Eleventh Circuit, mark similarity and the relatedness of goods are typically the most heavily weighted. Advertising expenditure and sales figures support mark strength. Actual confusion evidence, even anecdotal, is worth collecting systematically from customer service records and sales team reports.

When seeking injunctive relief, you need to show likelihood of success on the merits, irreparable harm, that the balance of hardships favors you, and that the public interest is not disserved. Courts in trademark cases often presume irreparable harm once likelihood of confusion is shown, though that presumption is not universal across circuits.

For damages, Romag means you no longer need to prove willfulness to seek disgorgement of profits. But courts still apply equitable principles, so evidence of the defendant’s bad faith, the degree of confusion, and the adequacy of other remedies all affect the award. Getting timely legal advice before the dispute escalates is the single most effective cost-control measure available.

What recent Supreme Court decisions are changing trademark law?

The 2022–2023 Supreme Court term produced two decisions that practitioners are still working through.

Jack Daniel’s and the narrowing of the Rogers test

The Rogers v. Grimaldi test, developed by the Second Circuit in 1989, had been applied broadly by many courts to shield expressive works from trademark infringement claims unless the use of the mark had no artistic relevance to the underlying work or explicitly misled consumers. Some defendants used it as a near-automatic defense for any product with a humorous or parodic element.

Jack Daniel’s Properties v. VIP Products changed that. The Supreme Court held that when a defendant uses a mark as a designation of source for its own goods, the Rogers threshold does not apply. The ordinary likelihood-of-confusion analysis runs instead, with parody treated as one factor among many. The full opinion makes clear that the expressive-works doctrine is not a shield for commercial products that happen to be funny.

The practical effect: any business that has built a product line around humorous references to famous brands should reassess its exposure. The parody element will be weighed in the confusion analysis, but it will not end the inquiry at the threshold.

Abitron and the domestic-use requirement

Abitron Austria GmbH v. Hetronic International (2023) resolved a circuit split on the extraterritorial reach of the Lanham Act. The Court held that § 1114(1)(a) and § 1125(a)(1) are domestically focused statutes, applying only to infringing uses in U.S. commerce. Foreign sales, even by a former U.S. licensee’s distributor, do not trigger U.S. trademark liability unless the infringing conduct occurs domestically.

For U.S. companies with international brand portfolios, this means that foreign infringement must be pursued under the laws of each relevant jurisdiction. Relying on a single U.S. federal court action to stop worldwide infringement is no longer viable after Abitron.

Trends practitioners should watch

• TTAB procedural updates: The TBMP has been updated through June 2025, reflecting ongoing refinements to inter partes practice, including electronic filing requirements and updated discovery protocols.
• Increased use of ADR: Both the TTAB and federal courts have encouraged parties to explore mediation and ADR before committing to full litigation. The EUIPO Mediation Centre has documented efficiency gains in cross-border disputes resolved through mediation, including the ability to craft coexistence agreements that courts cannot impose.
• Dilution claims post-Jack Daniel’s: Courts are still working out how to apply the dilution exclusions after the Supreme Court’s parody analysis. Expect continued litigation over what qualifies as “noncommercial use” when a defendant’s product has both expressive and commercial elements.
• Damages litigation post-Romag: Lower courts are developing equitable frameworks for disgorgement awards without a willfulness requirement. The factors courts use to calibrate the award (defendant’s profits, plaintiff’s damages, unjust enrichment) are being litigated actively.

A South Florida business-law perspective on trademark priorities

Three things matter most for South Florida businesses navigating trademark risk, and they are not the things most business owners focus on.

Early clearance is not optional. South Florida’s market is competitive, multilingual, and densely populated with businesses in overlapping industries. A mark that clears a basic Google search can still conflict with a registered mark or a common-law user with priority. The cost of a professional clearance search is a fraction of the cost of rebranding after a C&D or losing a TTAB opposition. Protecting your brand before someone else claims it is the highest-return investment a growing business can make in its intellectual property.

Consistent use is enforcement. A trademark is only as strong as the consistency with which it is used. Businesses that allow employees, licensees, or distributors to use the mark inconsistently, without quality controls or proper trademark notices, erode the mark’s distinctiveness over time. That erosion shows up in litigation as a weakened mark that is harder to enforce and easier for defendants to challenge.

Build a dispute-response playbook before you need it. Most businesses do not think about trademark enforcement until they receive a C&D letter or a complaint. By then, the clock is already running. Having a pre-litigation checklist, knowing your priority position, and having counsel on call means you can respond strategically rather than reactively. The pre-litigation checklist is a good starting point for any business owner who wants to be prepared.

Pro Tip: The cheapest resolution to a trademark dispute is almost always the earliest one. A well-timed response to a C&D letter, with a clear analysis of your priority position and a realistic settlement proposal, can end a dispute in weeks rather than years. Waiting to retain counsel until after a complaint is filed costs significantly more and limits your options.

Trademark counseling and litigation services for South Florida businesses

Trademark disputes move fast, and the decisions made in the first 30 days after a C&D letter or complaint often determine the outcome. Fornarolegal provides business litigation representation for small businesses, startups, and entrepreneurs in South Florida, with over 20 years of court-tested experience handling trademark and commercial disputes.

Matthew Fornaro’s practice covers the full range of trademark matters: clearance searches and registration strategy, TTAB opposition and cancellation proceedings, federal court infringement and dilution litigation, ADR and mediation support for multi-party disputes, and enforcement counseling for businesses building or defending a brand. The firm’s AV® rating reflects a track record of practical, results-oriented representation without the overhead of a large firm.

If you received a C&D letter, are considering filing suit, or want to get your trademark portfolio in order before a problem develops, contact Fornarolegal for a direct conversation about your situation. Initial matters are evaluated on a flat-fee screening or hourly basis depending on scope. Reach out through Fornarolegal to schedule a consultation.

Primary sources and recommended further reading

The sources below are the primary materials practitioners and students should read directly for the rules discussed in this guide.

• 15 U.S.C. § 1114: The core infringement provision for registered marks under the Lanham Act. Read this for the statutory elements of an infringement claim.
• 15 U.S.C. § 1125: Covers false designations of origin (§ 1125(a)), false advertising, and dilution (§ 1125©), including the statutory exclusions for fair use, news reporting, and noncommercial use.
• Jack Daniel’s Properties v. VIP Products, No. 22-148 (U.S. 2023): The full Supreme Court opinion on parody, the Rogers test, and source-identifier use. Essential reading for any practitioner handling expressive-works or parody defenses.
• TBMP (USPTO, June 2025): The Trademark Trial and Appeal Board Manual of Procedure. The authoritative procedural guide for oppositions, cancellations, and inter partes practice before the TTAB.
• USPTO “I’ve Been Sued” guidance: A practical starting point for defendants who have just received a complaint, covering procedural deadlines and early defensive options.
• TTAB About page (USPTO): Explains the TTAB’s jurisdiction, the types of proceedings it handles, and what it cannot do (no damages, no injunctions against use).
• EUIPO Mediation Centre: Benefits of ADR: Practical overview of how mediation resolves multi-jurisdictional trademark disputes, with documented efficiency advantages over parallel court proceedings. Relevant for U.S. businesses with international brand exposure.
• Cornell LII: Trademark Infringement (Wex): A reliable secondary-source overview of infringement doctrine, including the Romag damages standard and the elements of a Lanham Act claim.

This article is general information, not a substitute for advice from a qualified lawyer. Consult a qualified legal professional about your own circumstances before acting on anything here.

Sources

• 15 U.S.C. § 1114 (Lanham Act) – Copyright Office / U.S. Code
• 15 U.S.C. § 1125 – False designations of origin, false descriptions, and dilution (Cornell LII)
• Jack Daniel’s Properties v. VIP Products, LLC, No. 22–148 — Opinion (U.S. Supreme Court)
• TRADEMARK TRIAL AND APPEAL BOARD MANUAL OF PROCEDURE (TBMP) – USPTO (June 2025)
• I’ve been sued — USPTO (trademarks)
• Benefits of ADR – EUIPO Mediation Centre

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