UK Trials: Validity and Infringement Results

The tables on this page summarise the results of infringement and validity trials in the court of England & Wales, arranged by year and by court term. Only cases involving validity and infringement (including non-infringement) are included; cases relating to ...

08 July 2021

High Court finds that there is no proprietary estoppel for “late” declarations of standard essential patents under English law – Optis and Unwired Planet v Apple

The question of whether “late declaration” of a Standard Essential Patent (SEP) can allow an implementer to rely on the doctrine of estoppel, as a defence to patent assertion under English law, has finally been resolved in the negative, in the decision of ...

28 June 2021

Neurim vs Mylan – Victory from the jaws of defeat

Will Smith discusses the unusual decision of a judge to vary his order made after trial where a patent upheld by him was revoked by the European Patent Office almost immediately after the order was made.

16 April 2021

Illumina v MGI: Patents Court gives guidance on the skilled person, CGK, and insufficiency

In Illumina v Latvia MGI Tech (‘MGI’) [2021] EWHC 57 (Pat), Birss J (as he then was) has handed down a 520 paragraph judgment providing some helpful practical guidance in respect of several issues that commonly arise in UK patent litigation

26 March 2021

English Court of Appeal dismisses ‘free-standing’ FRAND declaration claim

In an appeal decision issued on 26 March 2021 the Court of Appeal has confirmed a first instance judgment, for differing reasons, that the English Courts had no jurisdiction to hear Vestel’s claim for a FRAND declaration because the claim for the declaration ...

26 March 2021