The Court of Appeal upheld the High Court’s finding that Novartis’ patent for ophthalmically compatible extended wear contact lenses was invalid for insufficiency. The Court of Appeal held that the patent does not teach which materials described in the specification are suitable for extended wear lenses, nor does the patent enable the skilled person to…

In Grimme Landmaschinenfabrik GmbH v Scott [2010] EWCA Civ 1110 the English Court of Appeal stated clearly its support for judicial collaboration facilitating de facto harmonisation of patent law in Europe. The Court then interpreted the UK provisions on indirect/contributory infringement consistently with approaches taken in The Netherlands and Germany. The case in question concerned…

Under the UK’s standard duty of disclosure, each party is required to disclose the documents on which it relies, the documents which adversely affect its or another party’s case and the documents which support another party’s case. In patent disputes, disclosure relating to infringement of a product or process can be avoided by the provision…

The Court of Appeal has held that the skilled person (which can be a team of individuals) may vary depending on the question in issue (e.g. obviousness, novelty, sufficiency or construction). The patents in suit taught the use of marine Controlled Source Electromagnetic (“CSEM”) surveying to locate oil or gas. For the purposes of sufficiency…

The Court of Appeal held that AGA’s patent was not infringed by Occlutech in a case of septal occlusion devices, which feature braided metal strands and have a collapsed configuration for delivery through a channel in a patient’s body.Occlutech’s devices, which feature strands that are welded at one end of the device were found to…

There have not been many decisions in 2010 from the English Patents Court that are likely to be regarded in future decades as seminal judgments. However, in the author’s view, the judgment of the Court of Appeal of 28 July 2010 in Schlumberger Holdings Limited v Electromagnetic Geoservices AS is likely to be cited frequently…