On 25 June 2021 Meade J handed down his decision in the second of a series of trials listed as part of the Optis v Apple UK action ([2021] EWHC 1739 (Pat); a link the judgment is here).  This decision concerned the validity and infringement of EP (UK) 2 229 744.  This patent had previously…

The Court of Appeal, overturning Birss J’s decision, decided that in the case of TQ Delta v ZyXEL, the answer was no. The facts of the case leading to this decision are somewhat unusual. TQ Delta asserted infringement of two patents declared essential to ITU-T standards. Following a trial in respect of liability, one of…