Fashion Brands, Intellectual Property, and the Legal Work That Prevents Expensive Problems

May 14
5 min read

By Attorney Gaea Kassatly.

Major fashion trademark cases reveal why brand owners need strategic trademark filing and careful contract review to avoid costly disputes.

Fashion is often described as a “creative” industry, but from a legal standpoint it is also a high-volume, high-velocity commercial industry where brand value is routinely tested in court. Trademark infringement, trade dress disputes, and copyright claims arise not because fashion companies are uniquely litigious, but because the economic value of recognition—of being associated with a particular source—drives both consumer demand and competitor behavior.

This article surveys several landmark disputes involving footwear, apparel, accessories, and emerging digital applications (including NFTs). Read as a whole, these matters illustrate a straightforward point that experienced counsel sees repeatedly: the strength of a brand’s intellectual property position is often determined before any dispute begins, through (1) the scope and quality of its filings and (2) the quality of its contracts governing creation, licensing, manufacturing, and collaboration.

This article highlights the legal principles that show up consistently across the cases discussed and explains how brand owners can reduce risk through strategic trademark filing and contract review.

Trademarks and Trade Dress: What Courts Actually Protect

A fashion brand’s “identity” is frequently expressed through nonverbal cues: a color placement, a stripe pattern, a configuration of a shoe, the appearance of packaging, or the overall commercial impression of a product design. In litigation, however, courts are not deciding whether two products are “similar” in a general sense. They are deciding whether the asserted feature functions as a source identifier and whether the accused use is likely to cause consumer confusion.

Color marks and the limits of protection

The Christian Louboutin v. Yves Saint Laurent dispute (the “red sole” case) remains instructive precisely because the court did not treat the red outsole as automatically protectable or automatically functional. Instead, the analysis turned on (a) whether the red outsole had acquired secondary meaning and (b) what the protectable scope should be given the competitive realities of the fashion market.

The result was not “Louboutin owns red soles,” and it was not “single colors can’t be trademarks.” The result was a narrowed scope: protection linked to the outsole’s use in a way that created a distinctive commercial impression, particularly where the red outsole contrasts with the upper.

For brand owners, the lesson is practical. A trademark can be valid and enforceable yet still be limited by how it is defined, how it is used in commerce, and what the evidence supports. That is why trademark filing is not a clerical step. It is a legal strategy decision.

Design elements, distinctiveness, and evidentiary reality

There are also disputes involving asserted design features, such as the Level 13 v. Louis Vuitton toe plate litigation, where the plaintiff could not establish that the design served as a source identifier.

Courts evaluating trade dress and product-design marks will look for evidence such as:

length and exclusivity of use
advertising and promotion specifically “teaching” consumers to treat the feature as a brand indicator
unsolicited media recognition
sales success and market penetration
consumer surveys (when applicable)

Where that record is thin, claims routinely fail. In other words, the legal question is not whether the design is “cool” or “recognizable” to a founder; it is whether the consuming public has been conditioned to view the feature as identifying a single source.

The Converse matters and why “confusion” is not just aesthetics

In the Converse litigation, decisions turned on the kind of nuance that surprises non-lawyers: branding, labeling, consumer sophistication, price points, and timing relative to registration dates all affected the likelihood-of-confusion analysis. Even where a design had similarities, courts weighed whether those similarities were actually likely to cause source confusion in the marketplace.

This is the framework brand owners should expect if enforcement becomes necessary. It also reinforces why early legal work—how a product is branded, how a design is presented, and what rights are secured—matters as much as litigation posture later.

Copyright and Fashion: A Strong Tool When Used Correctly

The Supreme Court’s decision in Star Athletica v. Varsity Brands clarified that surface designs on clothing can be copyrightable if they are conceptually separable from the utilitarian aspects of the garment. That decision has encouraged greater reliance on copyright registrations in fashion, particularly because copyright can be relatively inexpensive and fast compared to other forms of protection.

At the same time, copyright disputes frequently turn on technical issues of registration accuracy and publication practices (as illustrated by the fabric design dispute involving H&M). The practical takeaway is that “cheap” protection is not the same as “casual” protection. A registration prepared without legal care can become a litigation liability.

For many consumer brands, the most effective protection strategy is not “trademark or copyright,” but a coordinated approach aligned with the product and business model.

Contracts: The Quiet Source of Most Brand Risk

Intellectual property disputes in fashion often sit on top of a contract problem. Relationships form quickly—designers, manufacturers, influencers, co-branding partners, licensors, distributors—and many brands operate on informal understandings long after meaningful revenue is at stake.

A few recurring contract failures routinely create litigation exposure:

IP ownership not clearly assigned (especially with contractors, designers, photographers, developers, or agencies)
licensing scope and termination provisions drafted ambiguously
manufacturing agreements that do not address use of patterns, molds, tech packs, or derivative works
collaboration and co-branding agreements that do not specify who owns what, who files what, and who can enforce what
insufficient restrictions on post-relationship competitive conduct and use of brand elements

Once these agreements are signed (or never signed), the business frequently discovers that its “brand protection” problem is actually a contract problem. Fixing that after the fact is expensive; sometimes it is not possible without conceding rights.

This is why contract review is not a “nice-to-have” for brands. It is risk management.

Digital Fashion, NFTs, and Brand Enforcement Is Not Going Away

The MetaBirkin dispute (Hermès) is a reminder that trademarks are still enforceable in emerging channels. Whether courts treat a digital item as art, commerce, or both, the analysis returns to familiar questions: source identification, consumer confusion, and the scope of the brand’s established goodwill.

If a brand intends to operate in digital commerce or expects third parties to reference its brand in digital environments, the starting point remains the same: clear trademark rights and clear contracts governing use.

Practical Guidance for Brand Owners: Two Legal Services That Matter Early

Most brand owners do not need to litigate to benefit from legal work in this area. The highest-value legal work is preventative:

Trademark filing with an enforcement-minded strategy. A proper trademark filing should be designed around how the brand is used in commerce and where it is going—products, categories, channels, and geographic expansion. It should also anticipate competitors and future disputes. Filing the wrong mark, in the wrong class strategy, or without a clearance process can create avoidable conflicts and weaken enforcement later.
Contract review that protects IP ownership and brand control. Your contracts determine what you own, what you can license, what you can stop others from doing, and what happens when a relationship ends. “Template” agreements rarely match the business realities of consumer brands, especially where manufacturing, creative contributions, and marketing partnerships overlap.

How Our Firm Supports Brands

Our work in this area typically includes:

trademark clearance and trademark filing (including risk assessment and strategy)
infringement response and enforcement planning
contract review and negotiation for manufacturing, licensing, influencer/ambassador deals, collaborations, and vendor agreements
IP ownership and assignment cleanup for contractors and creative contributors

If you are launching, rebranding, licensing, or scaling a product line, the best time to address these issues is before your brand equity becomes expensive to defend.