Since 2009, French law has allowed patentees to voluntarily limit their granted patent claims. This possibility, which has existed for a long time in a number of European countries, (e.g. Austria, Switzerland, Germany, Denmark, Italy, Norway and the United Kingdom) has recently been introduced into the European patent system through Art. 105bis et seq. of the…

Combination products (containing two or more active ingredients) raise difficult questions with respect to supplementary protection certificates (SPCs). Can a SPC be based on the market authorisation (MA) of a combination product, if the patent only covers one active ingredient? On 13 July 2011, the Advocate General at the CJEU delivered her Opinion on the…

A movement is emerging now among the French courts to stay the proceedings in litigations relating to supplementary protection certificates (SPCs) and more precisely relating to the interpretation of Article 3(a) of Regulation (EC) No. 469/2009 (former Regulation No. 1768/92): “the product is protected by a basic patent in force”. These proceedings are stayed waiting for future decisions…

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…

On 15 March 2011, in a dispute opposing the companies E.I Du Pont de Nemours and Merck and companies Mylan and Qualimed, the Cour d’Appel of Paris confirmed the order handed down on 12 February 2010 by the President of the Tribunal de Grande Instance of Paris, subject-matter of a previous post. The American company E.I. Du Pont de…

The  Supreme Court held that the US doctrine of file wrapper estoppel is not applicable under the EPC. According to the Court only Article 69 of the EPC and the Protocol on its interpretation should be applied when determining the scope of a claim. The modifications of the patent application during prosecution cannot be taken…

Daiichi Sankyo (hereinafter referred to as “Daiichi”) was the holder, for a drug whose active principle was pravastatine, of a supplementary protection certificate (SPC) granted on 26 August 1992 which expired on 10 August 2006. This company claimed that Sandoz had, since July 2006, manufactured and put on the French market a generic drug of pravastatine, thereby infringing the exclusive…

In a judgment issued on September 28, 2010, the Court of First Instance of Paris held that a dosage regime is effectively a method of treatment and is, as such, excluded from patentability in view of Article 53c of EPC 2000. In this particular case, the use of finasteride for the treatment of androgenic alopecia…

The company governed by the laws of Switzerland, Novartis AG, is the holder of patent EP 0 443 983 entitled “Acyl compounds”, whose subject-matter is a group of antihypertensive compounds, including valsartan, pharmaceutical preparations containing them and processes for the preparation of these compounds. , This patent, filed on 12 February 1991, was to have expired on 12 February 2011. However, Novartis…