What to Watch in 2026: Key US Fashion, Apparel and Beauty Cases

Why It Matters

These filings could reshape how courts treat minimalist trade‑dress claims and the legality of low‑cost look‑alikes, directly affecting brand equity and market strategy in a rapidly globalized industry.

Key Takeaways

• Whoop sues Chinese maker over minimalist wearable design
• Lululemon alleges Costco dupes infringe trademarks, patents
• Palas claims Le Domaine’s ‘Beau Domaine’ creates confusion
• Richemont targets Malidani for high‑end counterfeit luxury pieces
• Temu and Shein lawsuits shift focus to IP disputes

Pulse Analysis

The surge of litigation this year underscores a pivotal shift in fashion‑related IP law, especially around trade‑dress protection for minimalist aesthetics. Whoop’s claim hinges on proving that its sleek strap‑and‑clasp configuration functions as a source identifier, a test that could extend Lanham Act coverage to other tech‑wear and apparel designs that rely on subtle visual cues. Courts will need to balance functional necessity against distinctiveness, potentially setting a new benchmark for minimalist products that dominate the wearables market.

At the same time, the rise of "dupe" culture is forcing premium brands to confront a new competitive frontier. Lululemon’s suit against Costco highlights how social‑media amplification of look‑alikes can erode brand equity and raise ethical concerns about labor practices in fast‑fashion supply chains. If the court upholds the trademark and design‑patent claims, it may deter mass retailers from offering near‑identical copies, compelling them to invest in differentiated product development rather than price‑driven imitation.

Luxury houses and emerging fast‑fashion platforms are also feeling the pressure of sophisticated counterfeit strategies. Richemont’s action against Malidani illustrates how high‑value counterfeits blur the line between affordable knock‑offs and premium forgeries, prompting tighter enforcement of design patents and trade‑dress rights. Meanwhile, the Temu‑Shein saga and the Lashify ITC decision reveal how procedural nuances—such as domestic‑industry requirements and DMCA abuse allegations—can shape the outcome of cross‑border IP disputes. Together, these cases signal a broader industry move toward more aggressive protection of visual identity, with lasting implications for branding, supply‑chain management, and consumer perception.