The Barcelona patent courts have provided further guidance on preliminary injunctions within the context of trade fairs, where the standard of evidence is higher than usual. Indirect evidence, such as an expert report based on a video of the competitor’s allegedly infringing machine, is generally not good enough. If the patentee lacks direct, “hands-on” evidence…

In a Judgment dated 26 July 2018, the influential Barcelona Court of Appeal (Section 15) rejected an overly narrow, “literalistic” interpretation of a patent claim. A claim’s terms must be interpreted according to the meaning that a person skilled in the art would give them – even if it is not the most scientifically “puristic”…

A recurring topic of discussion in patent infringement proceedings in Spain is the degree of evidence required to prove the damage caused by acts of patent infringement. According to a line of case law handed down by the Supreme Court, the existence of the damage may be proved by demonstrating the existence of the unlawful…

Over the last few years, highly detailed discussions on patent validity have been a staple of Spanish preliminary injunction proceedings. The influential Barcelona Court of Appeal now clarifies that, while validity may be discussed, the analysis should not reach the same level of depth as in the main proceedings. Furthermore, a defendant wishing to object…

One of the points sometimes debated in patent cases is the date when a claim for patent infringement becomes “time-barred” (i.e. the date on which it “prescribes”). The traditional position adopted by the courts in countries like Germany and Spain is that in the case of continuing acts of infringement, the time-barred period (e.g. 5…

Barcelona Commercial Court no. 5 handed down a judgment quashing the claimant’s DNI action without ruling on the merits of (non-)infringement. The Court found that the claimant had standing to file the DNI. However, one of the procedural pre-requisites for a DNI action had not been met: the claimant was neither industrially exploiting any actual…

Upon reading the title of this blog entry, readers may be wondering what the “ex re ipsa” doctrine involves. It therefore may be worth clarifying that it is a legal doctrine applied, for example, to cases dealing with damages, where the damage is presumed to have been caused (“causality”) when it is inherent to the…

On 13 April 2018, the Barcelona Court of Appeal (Section 15) wrote a decision highly illustrative of the challenges that an “added matter” objection may raise in Spain, particularly in the context of preliminary injunction proceedings. The decision confirmed a ruling of 18 July 2017 from Barcelona Commercial Court number 4, which had lifted a…