Search judgments by proposition, citation, court, judge or legal topic, then move directly into the source-grounded case analysis.
Results update automatically as you type.
England and Wales decisions
Decisions matching the current search
Patent trial over aircraft ejection-seat headrest technology. The court addressed construction, priority, validity, infringement, and equivalents.
Kohler Mira Ltd v Norcros Group (Holdings) Ltd [2025] EWCA Civ 1670 (22 December 2025)
Patent appeal about shower valve claims. The Court of Appeal held the key claim language was uncertain and allowed the appeal, revoking the patent and finding no infringement.
Fujikura Ltd & Anor v Sterlite Technologies Ltd [2025] EWHC 3181 (Pat) (04 December 2025)
The Patents Court held Fujikura’s amended patent valid and infringed by Sterlite’s Celesta optical fibre cables, rejecting insufficiency, obviousness and clarity challenges.
Formycon AG & Anor v Regeneron Pharmaceuticals Inc & Anor [2025] EWHC 2527 (Pat) (08 October 2025)
Patents Court trial on aflibercept formulation patents, addressing infringement by equivalence, priority, added matter, obviousness and insufficiency.
Patent trial on aflibercept formulations: the court rejected infringement by equivalence, upheld the ‘691 patent as amended, and invalidated ‘306 for added matter.
The patent is valid and infringed. The claims are sufficiently enabled and inventive over the prior art. The construction of 'micro-duct' includes ducts up to 16mm internal diameter as a matter of common general knowledge. The experimental evidence, though imperfect, establishes infringement of the Celesta 432F cable and, by extrapolation, other Celesta cables with fibre counts of 144, 288, and 432. The patent's technical contribution lies in identifying seal tightness as affecting air-blown performance and specifying recess area ranges to optimise this. Obviousness attacks fail due to lack o…
Source excerpt
Appeal dismissed in a patents case concerning an apparatus said to generate thrust or damping forces. The court found the invention inconsistent with conservation of momentum and insufficiently disclosed.
DSM IP Assets BV & Anor v Algal Omega 3 Ltd [2025] EWHC 675 (Pat) (20 March 2025)
Patent trial on microbial oils: the court addressed infringement, obviousness, sufficiency and amendment issues concerning EP155, EP740 and EP801.
Patent trial over microbial oil processes: EP155 was upheld, while EP740 and EP801 were found invalid on the issues before the court.
Pfizer Ltd v GlaxoSmithKline Biologicals SA & Anor [2025] EWHC 52 (Pat) (16 January 2025)
On post-trial costs and consequential matters, the court ordered GSK to pay 70% of Pfizer’s costs, made a £2.65m interim payment, kept confidentiality protections, and refused appeal permission.
Explore more
