Validity

In most systems, a patent is valid for 20 years from the filing date of the patent application. Patents are granted with a presumption of validity but no patent is safe from being challenged and declared (partially) invalid by national courts or, in the case of European patents, revoked by the European Patent Office. Often, a claim of invalidity of a patent is a reaction to an action of the patentee, in particular an infringement action.

Second Medical Use, Switzerland, Validity

(MLL Legal Ltd.)/

In a very recently published decision of 4 March 2011 the Swiss Federal Supreme Court dealt with the decision of the Enlarged Board of Appeal 2/08 and approved a dosage regime for a pharmaceutical product as patentable subject matter of a Swiss type claim under the EPC 1973. According to the Supreme Court such claim…

Germany, SPC, Validity

(Hoffmann Eitle)/

After the Federal Court of Justice (Bundesgerichtshof, BGH) had confirmed the validity of the German SPC for the enantiomeric escitalopram (and its underlying patent) in 2009, the Federal Patent Court (Bundespatentgericht) now confirmed in further nullity proceedings the validity of the SPC.

EPC, Novelty, United Kingdom, Validity

(Bristows)/

As previously discussed, the English Court of Appeal has clearly stated its support for judicial collaboration facilitating de facto harmonisation of patent law in Europe (Grimme Landmaschinenfabrik GmbH v Scott [2010] EWCA Civ 1110). However, in a recent decision in the English Patents Court (Lundbeck v Norpharma and Infosint [2011] EWHC 907), Floyd J. expressed…

Extent of Protection, Germany, Novelty, Revocation, Validity

(Hoffmann Eitle)/

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,…

Case Law, Mechanical Engineering, Novelty, Opposition, Revocation, Slovenia, Validity

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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…

Case Law, Revocation, United Kingdom, Validity

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If a party decides to participate in another party’s challenge to a patent so it may share in the benefits of a victory, it may well be ordered to share the costs burden of losing. Actavis was therefore ordered to pay half of Eli Lilly’s costs of successfully defending the revocation actions brought by Dr…

(Indirect) infringement, EPC, European Union, Injunction, Procedure, Validity

(Hoffmann Eitle)/ /2 Comments

The Court of Justice of the European Union (CJEU) has now issued its long awaited Opinion 1/09 on the draft agreement concerning the creation of a unified patent litigation system (UPLS). As is well known, this draft agreement drew on many provisions introduced for the first time by the European Patent Litigation Agreement (EPLA) and…

Biologics, Chemical Engineering, EPC, France, Inventive step, Novelty, Procedure, SPC, Validity

(Véron & Associés)/ /1 Comment

H. Lundbeck A/S (hereinafter referred to as Lundbeck) is the holder of European patent EP 0 347 066 entitled “new enantiomers and their isolation”, which designates France and was filed on 1 June 1989; it claims priority of a British patent dated 14 June 1988. The invention relates to the two new enantiomers of the antidepressant drug Citalopram and the use of…