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IP weekly: UKSC overhauls patentability; Oatly ‘milk’ mark refused; CJEU limits pre‑Brexit UK marks; One IPO roadmap; AI TDM opt‑out; deepfake detection; EU Chips Act 2.0

Published on: 26 February 2026

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Patents

Tenets of patentability affected by the UK Supreme Court (Emotional Perception v Comptroller of Patents UKIPO)

On 11 February 2026, the UK Supreme Court (UKSC) handed down a seismic ruling that reshaped how exclusions from patentability, ie subject matter not eligible for patents, are appraised and applied. For good measure, the UKSC went further still, clarifying the very nature of an invention, and offering detailed direction on the manner in which inventive step/obviousness ought to be assessed. It is a generational judgment; one that will both endure and also drive immediate, practical changes to patent practice. The ruling sweeps away entrenched UK obstacles to protecting innovations across ‘all fields of technology’, not only within AI and computing, the sphere in which Emotional Perception’s technology sits. Multi-dimensional aspects of the judgment lead to alignment and partial harmonisation with many European Patent Office concepts, yet there remain differences, and the consequences of these may (or may not) ultimately prove significant. Authored by Bruce Dearling, partner at Hepworth Browne...

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