At the end of January, we reported the Warner-Lambert v Actavis decision of 21 January 2015, in which Arnold J refused to grant Warner-Lambert interim relief in relation to an apprehension of patent infringement by Actavis of Warner-Lambert’s patent comprising Swiss-form claims directed to the use of pregabalin in the preparation of a medicament for…

Regular readers of the Kluwer patent blog may recall that in April 2014, the English Patents Court revoked two patents relating to trastuzumab, the active ingredient in Herceptin, which is marketed outside of the US by Roche. One patent was for a dosage regimen and the other related to a composition of trastuzumab containing certain…

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…

The development of Herceptin (trastuzumab) in the late 1980s and 1990s is one of the most remarkable advances in the treatment of breast cancer. The story of the drug and its pioneer, the “velvet jackhammer”, Dennis Slamon, is neatly summarised in Siddhartha Mukherjee’s award winning novel: “The Emperor of All Maladies – a Biography of…