07.02.2025
The recent case of Thom Browne Inc. v. Adidas AG [2024] EWHC 2990 (Ch) represents a significant milestone in UK trade mark law, particularly in the realm of fashion and brand design. This High Court decision sheds light on the limits of trade mark protection, the role of consumer perception, and the fine line between brand distinction and monopolisation of design elements.
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Below, we explore the key aspects of the case and its broader implications.
Adidas, a globally recognised sportswear brand, initiated legal proceedings against Thom Browne, a luxury fashion house, alleging trade mark infringement and passing off. Adidas claimed that Thom Browne’s use of a four-stripe design on its clothing and accessories was confusingly similar to Adidas’ iconic three-stripe trade mark.
Adidas contended that Thom Browne’s design could lead to consumer confusion, diluting the distinctiveness of its brand and unfairly capitalising on Adidas’ reputation. Thom Browne countered by asserting that its four-stripe design was sufficiently distinguishable and had been in use for years without causing any significant consumer confusion. Thom Browne also sought to invalidate 16 of Adidas’ three stripe trade marks.
The High Court’s analysis revolved around several critical issues:
Thom Browne

Adidas

The High Court ruled in favour of Thom Browne, dismissing Adidas’ claims of trade mark infringement and passing off. The key findings include:
What are the broader implications for trade mark law and brand management:
The case serves as a cautionary tale about the risks of overreaching trade mark claims. It also reaffirms the need for a strategic approach to intellectual property protection, ensuring that trade marks are both defensible and enforceable in a competitive marketplace.
It’s also worth noting that Adidas brought claims for trade mark infringement against Thom Browne in the US and Germany, which were also unsuccessful.
If you’d like to discuss your trade marks, please get in touch.

12.06.2025
Keltie celebrates record success with five Gold rankingsKeltie is proud to announce its best-ever result in the Financial Times Europe’s Leading Patent Law Firms 2025, achieving five Gold rankings and one Silver. This is the seventh time the IP firm has been recognised. Keltie has been awarded every year since the start in 2019. This performance places Keltie among the top ten firms in Europe once again.

10.12.2025
Nice Classification Changes from January 2026The Nice Classification, established in 1957 and managed by the World Intellectual Property Organisation (WIPO), divides goods and services for trade mark specifications into 45 classes. It is an essential tool and is periodically updated to reflect changes in the marketplace and technological advancements. A new edition is coming into effect in January 2026, bringing several important changes that trade mark owners and businesses should be aware of.
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