The WLR Daily case summaries
[2020] WLR(D) 182
Chancery Division
ViiV Healthcare Co and others v Gilead Sciences Inc and others
[2020] EWHC 615 (Pat)
2020 March 10
Birss J
Patent— Infringement— Claim— Claimants alleging infringement of patent on drug under doctrine of equivalents— Assertions made in particulars of infringement as to defendants’ intentions when producing drug— Defendants applying to strike out assertions as no mental element in test for infringement by equivalence — Whether intent having evidential value in establishing infringement under doctrine of equivalents