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…

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…

Merck Sharp Dohme Corp. and Bristol-Myers Squibb Pharmaceuticals Limited v. Teva Pharma B.V. and Teva UK limited On 15 March 2012, the High Court in England and Wales delivered some useful guidance on when a patentee can obtain an interim injunction in a pharmaceutical patent infringement action. The case was Merck Sharp Dohme Corp. and…

Last April we reported the case of Gedeon Richter plc v Bayer Schering Pharma AG [2011] EWHC 583 (Pat), concerning immediate release formulations of a combination contraceptive product containing the steroidal hormones drospirenone and ethinylestradiol. We can now report the decision of the Court of Appeal in this case (handed down on 7 March 2012)…

The English High Court has upheld the decision of the UK Intellectual Property Office to refuse the grant of a patent for the treatment of inflammatory bowel disease (IBD) with zinc (El-Tawil v The Comptroller General of Patents [2012] EWHC 185 (Ch)). Although the case does not break new ground, it provides a useful review…

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…

The English High Court has recently ruled on the appropriateness of staying validity and infringement proceedings pending a Technical Board of Appeal (“TBA”) decision of the European Patent Office (“EPO”), and on using disclosed documents in parallel foreign proceedings. The parties involved have had a number of skirmishes recently in various courts throughout the world….

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…