The case at hand concerned an application by Pfizer for Arrow-declarations in relation to its proposed launch of its bevacizumab product (it will be branded “Zirabev”) for the treatment of various cancers in combination with other drugs. Since Pfizer was unable to show a “useful purpose”, the complaint was dismissed. The mere prospect of using…

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…

Among the flurry of pre-summer vacation judgments coming from the Patents Court is one from Mr Justice Birss (17 July 2019), concerning the validity of Hoffman-La Roche’s patent EP (UK) 2 007 809. EP’809 is a formulation patent for the monoclonal antibody vedolizumab, marketed as Entyvio® and used to treat ulcerative colitis and Crohn’s disease….

The scope of a patent is to be interpreted according to Art. 69 EPC and the Protocol. If the literal text is limiting, the question is how the skilled person would understand this limitation. If the limiting wording is due to a technical consideration, the limitation may be considered differently from when the limitation can…

A patent that is limited during the course of the proceedings (even after the pleadings) is held to have been so limited ab initio if the limitation is duly registered. When a European patent is granted and validated, an existing national patent loses its effect only for the invention claimed in the European patent. The…

The Court held that a selection invention is inventive if the compound of the selection offers surprisingly advantageous or improved properties over the prior art compounds. These properties should already be plausible from the patent application as filed. Further, a selection invention would be obvious to the skilled person if they would assume a neutral…

Late in 2018, Board 3.5.07 issued two decisions on appeals from Examining Division decisions, in which the length of the examination procedure was excessive.  The Board decided that such delays can amount to a substantial procedural violation, but that it is only equitable to reimburse the appeal fee if the applicant took some proactive measures…

Pemetrexed, yet again: last Wednesday the District Court of The Hague, swimming against the current and after a deep dive in the prosecution file, decided that Fresenius did not infringe Eli Lilly’s ‘pemetrexed disodium’ patent with a generic product that does not contain pemetrexed disodium, not even by equivalence. The basic facts of the widespread…

The Federal Court of Justice held that introducing only selected features of an example into a claim is allowable if the resulting combination in the claimed generality is derivable from the application as originally filed. Further, a general incentive from the prior art does not render the specific embodiment of an invention obvious. Case date:…