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 general rule in UK litigation is that the successful party is entitled to its costs. One exception to this rule, peculiar to patent cases, is a so-called ‘Earth Closet’ order. If an alleged infringer introduces a new piece of prior art, after service of its original Grounds of Invalidity, an Earth Closet order enables…
The Supreme Court dismissed an appeal , dismissing a revocation action against the patent in suit, which protected the calcium salt of atorvastatin. The Supreme court held that (i) the Bolar provision does not apply with retrospective effect, because its origin and rationale is different from the Experimental Use Exception; and (ii.) an invention that…
In a judgment handed down on 11 November 2011, the Spanish Supreme Court has rejected an appeal filed by four Spanish pharmaceutical companies against a judgment from the Court of Appeal of Barcelona (Section 15), which had rejected a revocation action filed against patent EP 409,281 (Calcium salt of Atorvastatin) owned by Warner-Lambert. Applying the…
The German Federal Court of Justice (FCJ) issued a nullity appeal judgment on 12 July 2011 in which the requirements for an amendment to be held allowable under Art. 123(2) EPC and Sec. 38 German Patent Act seem to have been further tightened as opposed to the previous practice. The decision (case number X ZR…
To stay, or not to stay, that is the question. But not in the recent Danisco v. Novozymes case before the District Court of The Hague. On the face of the Court’s decision of 22 June 2011, the question whether to stay the national proceedings pending the outcome of opposition proceedings at the EPO on…
In Denmark, a patentee may opt to apply for a utility model registration in addition to a patent, provided that the conditions for the grant of both rights are fulfilled. One of the strategic advantages of applying for both rights in Denmark is that the utility model registration is not subject to as thorough a…
Who may bring an action for patent revocation? Such is the fundamental question which has been submitted to the Tribunal de Grande Instance of Paris in a case whose factual circumstances made it very interesting. On 13 September 2010, Omnipharm Limited served a summons on Merial to appear before the Tribunal de Grande Instance of Paris to…
Imagine: Wouldn’t it be fantastic to have one single patent which you could apply for at the WPO, the World Patent Office? A World Patent, which would be valid worldwide and which could be enforced in each single country of the world with worldwide effect? Decisions of the national local chambers of the World Patent…
By final judgment of November 18, 2010 (Xa ZR 149/07, published in Mitt. 2011, 66 (in German only)), the German Federal Court of Justice (FCJ) decided on two interesting issues in nullity appeal proceedings regarding the German patent DE 101 41 650 pertaining to a patch containing the opioid fentanyl, a strong analgesic drug. Firstly,…
The Court held that in order to decide that a patented invention is novel, it is not sufficient that the wording in the patent description is different from the wording in the prior art. The technical subject-matter of the prior art must be different. Moreover, it had to be assessed whether publicly accessible information could…
