As readers will be well aware, one of the points on which the courts of various European countries diverge, is whether or not the prosecution history of the patent at hand may be taken into account to interpret its scope of protection. For example, the UK Supreme Court, in its landmark judgment of 12 July…

Barcelona Commercial Court no. 5 – arguably Spain’s most active patent court – rules in an infringement case concerning motorcycle helmets. The features of a claim cannot be narrowed down based on a preferred embodiment represented in one of the drawings. While probably not a watershed case, this precedent should be considered in future disputes…

In a complex case concerning blockbuster cinacalcet, Section 15 of the Barcelona Court of Appeals makes findings on the non-obviousness of inventions consisting of the provision of an unexpected technical effect. In these cases, the technical problem can be reformulated as providing such effect, provided that it is related to the problem initially disclosed in…

On 27 January 2022, the Spanish Supreme Court handed down a very interesting judgment dealing with a dispute surrounding the ownership of a patent application that claims a system to produce domestic hot and cold water. Judgments dealing with patent ownership are very scarce in Spain. Hence the interest of this case, the background to…

After four years of experience with Spanish Act 24/2015, of 24 July, on Patents (the “new Patent Act”), which came into force on 1 April 2017, the time seems ripe now to update some aspects of the Act that could be further improved. In this vein, earlier this year the Spanish Patent and Trademark Office…

Judgments from the Spanish Supreme Court on patent cases are a rare occurrence. In a recent decision, the Court rules on insufficiency of disclosure, a revocation ground which – once somewhat of a sideshow – is nowadays a staple of Spanish revocation proceedings. The Supreme Court provides some guidance on trial and error and undue…

A judgment of 7 July 2021 from the Spanish Supreme Court has been published, which, as discussed below, following the case law from the EPO’s Boards of Appeal, introduces certain guidelines for assessing whether or not an invention is sufficiently described. The background of the case can be summarized as follows: The complainant filed a…

In our blog of 27 August 2021, we explained that the Barcelona Appeal Court (Section 15), in a very interesting Ruling of 16 October 2020, decided that the claims as amended before the EPO Boards of Appeal should become the subject of the national proceedings in lieu of the claims asserted in the initial infringement…