Revocation of a patent concerns a mechanism which provides for an inter partes review of the validity of a. At the European Patent Office a patent can be revoked by the Opposition Division or Boards of Appeal. A notice of opposition has to be filed within nine months from the publication of the mention of the grant of a European patent. In 2000 Article 105a was introduced in the European Patent Convention, providing centralised limitation and revocation procedures at the level of the EPO, which allows the patent proprietor either to have the claims of his granted patent limited or to have the whole patent revoked for all its designated states. The effect of this central revocation is that the patent in question is deemed never to have existed. It is revoked ex tunc.
The Court of Appeal held that the duty to compensate the successful party’s legal costs in intellectual property proceedings, pursuant to Art. 14 of the Enforcement directive, also applies to invalidity claims, counterclaims and defenses by the alleged infringing party threatened with patent enforcement. To deny such compensation in respect of nullity claims or defenses…
The Supreme Court held that claiming priority of an earlier application requires a direct and unambiguous disclosure in the priority document of all features of the technical teaching as defined in the claims. If the claimed invention is characterized by a particular property of one of its components that has not (clearly) been disclosed in…
The next wave of U.S. patent reform changes embodied in the Leahy-Smith America Invents Act takes effect on September 16, 2012. The following is a list of some key changes that may impact granted, pending and new U.S. patent portfolios.
The interesting six-jurisdiction patent case between two of the world’s leading enzyme manufacturers, the Danish companies Danisco A/S (now part of DuPont) and Novozymes A/S has already been subject to earlier blogs both here and several times on EPLAW and PatLit. To recap the story briefly, Novozymes started the proceedings by applying for a preliminary…
One of the points of contention in cases where inventive step is discussed is which expert is better suited to express an opinion on whether or not the invention would have been obvious for the person skilled in the art. English Courts, for example, have a long-standing tradition of carefully scrutinising the experts presented by…
On 20 March 2012, the Tribunal de Grande Instance of Paris rendered its decision in the case relating to raloxifene, a molecule useful for treating or preventing osteoporosis in post-menopausal women, opposing Teva to Eli Lilly. This decision raises many questions, first concerning drug patents in particular (patentability of second medical use, patentability of the resolution of…
Mr X was ordered to pay damages for the infringement of a French patent No. 87‑03865, relating to a massage device, by a decision of the Cour d’Appel of Limoges on 10 September 2001. In the absence of an appeal on a point of law, this decision became irrevocable. However, in a separate action, the same patent was subsequently…
Litigation and EPO Oppositions/Appeals surrounding a controlled-release dosage form of the drug oxycodone, a morphine-like opioid analgesic developed in 1918, has kept Europe’s Pharma IP Lawyers busy for a couple of years. One of the key EP patents in this battle has been EP 722 730, and almost everything about this patent is out of…
Laboratoires Negma (hereinafter referred to as “Negma”) is the exclusive licensee of European patent No. 0 520 414 which relates to a method for the preparation of diacetylrhein (also called diacerein) having a specific degree of purity as well as diacetylrhein obtained by this process and a pharmaceutical composition containing this compound. Such European patent was first filed…
Although a number of issues were raised as to the validity of two patents in the recent Omnipharm v Merial[2001] EWHC 3393 (Pat) case, the most interesting feature of the case was the judge’s approach to the question of inventive step. The case focussed in particular on the role of the doctrine of “obvious to…
