High Court: Patents Court judgments, 2025

40 judgments, newest first. Open any case for its summary, the legal points it decides and how later courts have treated it.

Date Case Cited by
19 Dec 2025
[2025] EWHC 3334 (Pat)
Claims by an implementer for RAND relief concerning UK standard-essential patents may relate to UK registered rights even where the relief sought includes a…
2
18 Dec 2025
[2025] EWHC 3331 (Pat)
An ITU-T patent licensing declaration creates an enforceable contract for the benefit of third parties. Its obligation is to make a RAND offer capable of…
1
4 Dec 2025
[2025] EWHC 3181 (Pat)
A patent claim is not insufficient merely because its boundaries present practical puzzles. A purposive construction may accommodate reasonable approximations…
1
2 Dec 2025
[2025] EWHC 3170 (Pat)
An interim anti-anti-suit injunction may be continued where there is a strong likelihood that, without it, a party will seek foreign relief preventing…
24 Nov 2025
[2025] EWHC 3050 (Pat)
A notification under the SPC manufacturing waiver is not invalid merely because the marketing-authorisation reference number for the export country is…
21 Nov 2025
[2025] EWHC 3083 (Pat)
An anti-anti-suit injunction is an exceptional remedy. Its grant is never automatic and cannot follow merely because another case presents similar facts. Each…
1
6 Nov 2025
[2025] EWHC 2896 (Pat)
On a pleading issue, a party cannot advance at trial a case that two varieties are factually distinct where the pleadings and agreed facts treat them as the…
5 Nov 2025
[2025] EWHC 2888 (Pat)
An interim anti-anti-suit injunction may be granted without notice to protect the integrity of English proceedings where there is a non-negligible risk that…
2
5 Nov 2025
[2025] EWHC 2834 (Pat)
In an application for an interim injunction in pharmaceutical patent litigation, the court must apply the American Cyanamid principles to the evidence in the…
20 Oct 2025
[2025] EWHC 2708 (Pat)
An English court may grant interim anti-anti-suit relief where it is seriously arguable that foreign proceedings would undermine the English court’s…
1
9 Oct 2025
[2025] EWHC 2600 (Pat)
In complex RAND proceedings, the English court may case-manage its own proceedings while respecting foreign anti-suit orders and declining to construe or…
8 Oct 2025
[2025] EWHC 2527 (Pat)
Infringement by equivalence must be assessed by reference to the invention at the level of generality of the claims. A court must identify the inventive…
1
7 Oct 2025
[2025] EWHC 2533 (Pat)
Compensation under a cross-undertaking following an invalid interim injunction is assessed liberally because the counterfactual may be inherently uncertain.…
16 Sep 2025
[2025] EWHC 2406 (Pat)
Where an interim injunction is granted to preserve the position pending trial, success at the interim stage is provisional and costs may properly be reserved.…
4 Sep 2025
[2025] EWHC 2241 (Pat)
For UK unregistered design right, originality under section 213(1) of the Copyright, Designs and Patents Act 1988 has the same meaning as originality in…
1 Sep 2025
[2025] EWHC 2203 (Pat)
Costs are determined by identifying the overall winner, isolating any distinct issue on which that party lost, and deciding whether justice requires a further…
1 Sep 2025
[2025] EWHC 2201 (Pat)
A cross-undertaking in damages is construed according to its language, purpose and the obligation to compensate loss caused by the injunction. Applying…
17 Jul 2025
[2025] EWHC 1857 (Pat)
In deciding requests for further disclosure at a case management hearing, the court must balance the likely value of the material against the burden of…
4 Jul 2025
[2025] EWHC 1689 (Pat)
A final judgment should be reopened only for a sufficiently powerful reason, and an application based on changed circumstances requires a material change since…
25 Jun 2025
[2025] EWHC 1432 (Pat)
In a global FRAND dispute, a SEP holder acts in bad faith where it uses a coordinated wave of unnecessary foreign injunction proceedings, backed by an interim…
18 Jun 2025
[2025] EWHC 1514 (Pat)
In a multi-patent action, costs should reflect the parties’ success on the litigation viewed objectively. The court may analyse separate patents or suitably…
2
28 May 2025
[2025] EWHC 1339 (Pat)
On an application for an interim injunction pending an appeal in a patent validity action, the court should apply the American Cyanamid guidelines…
20 May 2025
[2025] EWHC 1240 (Pat)
Patent claims are construed purposively, but the court must respect precise scientific language and deliberate claim limitations. Purpose cannot justify…
1 May 2025
[2025] EWHC 1225 (Pat)
A court should rarely revisit an unappealed case-management decision made by a judge of equal standing. It should do so only in extraordinary circumstances. A…
30 Apr 2025
[2025] EWHC 1034 (Pat)
The court has equitable jurisdiction to award interest as ancillary relief on an account of profits for patent infringement under Patents Act 1977, section 61.…
28 Apr 2025
[2025] EWHC 1012 (Pat)
For a chemical compound to make a technical contribution, the patent must make it plausible, in light of the common general knowledge, that the compound has…
22 Apr 2025
[2025] EWHC 936 (Pat)
An action challenging patent examination, deemed refusal and alleged misconduct by the Comptroller may be struck out where it discloses no legally viable cause…
16 Apr 2025
[2025] EWHC 941 (Pat)
A stay of plant breeders’ rights infringement proceedings pending determination of a validity challenge is discretionary. The court must apply the Overriding…
28 Mar 2025
[2025] EWHC 748 (Pat)
On an interim injunction application, the court must apply the American Cyanamid guidelines to the evidence available, while assessing only the period and…
24 Mar 2025
[2025] EWHC 705 (Pat)
Expedition of a FRAND trial may be ordered where threatened injunctions in other jurisdictions create a clear risk of substantial and irreparable harm to an…
21 Mar 2025
[2025] EWHC 650 (Pat)
On an appeal from a Comptroller decision, the court reviews the decision below unless justice requires a rehearing. The decision may be disturbed only for…
20 Mar 2025
[2025] EWHC 675 (Pat)
In patent validity proceedings, the skilled team must be modelled realistically, including relevant laboratory and development experience. Obviousness is…
18 Mar 2025
[2025] EWHC 649 (Pat)
In a jurisdiction challenge to patent, FRAND and related claims, the court held that claims concerning UK patents remain claims to enforce territorial patent…
5
11 Mar 2025
[2025] EWHC 539 (Pat)
A contractual patent licence covering commercially reasonable updates or extensions is construed by reference to actual products in existence at the relevant…
5 Mar 2025
[2025] EWHC 497 (Pat)
For infringement by a normal, purposive interpretation, a claimed weld portion must itself extend away from the actual periphery of the appliance and point…
21 Feb 2025
[2025] EWHC 375 (Pat)
Contrary to a simple “all‑profits” approach, where a patented feature is only one of several commercial and technical drivers of a complex product the court…
19 Feb 2025
[2025] EWHC 348 (Pat)
When revising a costs budget, the court must identify a significant development and costs that could not reasonably have been foreseen when the original budget…
30 Jan 2025
[2025] EWHC 174 (Pat)
Patent claims must be construed according to their ordinary meaning, informed by the skilled person and the specification. Numerical terms such as about allow…
27 Jan 2025
[2025] EWHC 107 (Pat)
A claim to patent entitlement depends on when the invention was conceived and on the objective scope of any assignment. The court assesses conception by…
16 Jan 2025
[2025] EWHC 52 (Pat)
In an issues-based costs order, the court should identify the overall winner, consider whether a suitably circumscribed issue justifies depriving that party of…