There has been much excitement and comment amongst the UK patent profession following the Supreme Court’s decision in Actavis v Eli Lilly [2017] UKSC 48 (see previous comment here) on patent claim construction. However, the Court in that case did not clarify how “normal” principles of claim interpretation are now to be applied, and whether…

The Actavis v Eli Lilly UK litigation concerning pemetrexed (sold by Eli Lilly under the brand Alimta(®) has already been widely reported in light of Actavis’ innovative application to the English court for declarations of non-infringement (DNIs) of national designations of a European Patent in addition to the UK designation. The latest instalment concerns the…

The English Patents Court (Birss J) recently demonstrated a somewhat unconventional approach to answering the statutory question of obviousness when assessing inventive step*. The judgment also provides some guidance on the role of commercial as opposed to technical considerations, in particular regulatory concerns, when assessing obviousness. Leo Pharma, the defendant in these proceedings, market a…

Patent litigators around Europe will be taking note of the latest significant development from the English Patents Court in the case of Actavis v Eli Lilly [2014] EWHC 1511 (Pat) (judgment dated 15 May 2014), in which the English Court decided to grant declarations of non-infringement (DNIs) for three foreign designations of a European Patent…