On 22 April 2021 the Intellectual Property Enterprise Court (IPEC) gave a judgement in Claydon Yield-O-Meter v Mzuri, a UK case on patent invalidity because of prior disclosure. As is known, in order for an invention to be considered new under Section 2(2) of the UK’s Patents Act 1977, it must not form part of…
Mishan (T/A Emson) v Hozelock & Ors [2020] EWCA Civ 871 Since Arnold LJ’s elevation to the Court of Appeal in 2019, he and Floyd LJ have heard about 11 cases together, spanning a mixture of areas of law, some patents cases and some not. In the majority of these cases, Floyd LJ (or a…
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…
As a follow-up to our previous post “The Federal Circuit Has Its Final Say On the “On-Sale” Bar Under the AIA,” the Supreme Court has granted certiorari in the Helsinn v. Teva case, which concerns whether the America Invents Act (“AIA”) changed the longstanding “on-sale bar” rule. This means that at least four of the nine…
Suppose you are a (patent) attorney in a pharmaceutical company and want to advise your company how to best protect the results of a clinical trial designed to find out the best possible treatment regimen of a certain known and approved drug X. The researchers of your company have devised and been allowed to conduct…
by Rachel Mumby Bexsero, the Meningitis B vaccine marketed by GSK, has been the subject of many newspaper headlines in the UK over the last year, with parents seeking to persuade the UK Government to offer the vaccine to all children under the age of 11 as a matter of routine. Few will have been…
Swiss Federal Patent Court, Case No O2013_006 (7 October 2015) The Swiss Federal Patent Court partially revoked/upheld the Swiss Part of EP 0 944 937 B1 concerning a hydraulic pressing device in nullity proceedings initiated by the Swiss Von Arx AG against the patent owner, the German Gustav Klauke GmbH. The patent in suit pertains…
Although more than 20 years have passed since the Enlarged Board of Appeal issued its decision G 1/92, there is still little case law which provides guidance on how to establish the structure and properties of a particular medicament in a manner so as to be able to rely on the same as a piece…
This past week I had an interesting hearing at the EPO where an opposition was based, inter alia, on public prior use. The opposition division heard a number of witnesses on the question whether the features of a specific device had been publicly available. Prior to the hearing, the opponent had to admit that there…
When does the demonstration of a model at a trade fair, or a similar limited availability of a product, constitute novelty-destroying prior disclosure? Although it will depend on the patent claims, the public’s opportunity to investigate the model may be important as demonstrated in the recent case of Wagner v Earlex*. As of the implementation…
