Under the legal principle of forfeiture of claims a patentee can deprive himself of claims for patent infringement if he asserts them in legal proceedings at such a late stage (time factor) that the infringer from an objective perspective could trust that he would not anymore be subjected to the claims and has made dispositions…

A recent decision of the Higher Regional Court (Oberlandesgericht) Düsseldorf now confirms that a holding company cannot easily dive away under the patent infringing activities of its subsidiaries. Background Many companies are designed in the form of a group, having a holding company at the top and a number of subsidiaries which are directly or…

The Mannheim Regional Court decided on March 8, 2013 (court docket: 7 O 139/12) that a supplier which is located abroad is regularly only liable for participating in patent-infringing acts in Germany if the foreign supplier learns, e.g. by means of a warning letter, that its supply of products to the German market may result in a patent infringement under German law and if the supplier does not refrain from further shipments into Germany.

The Court of Appeal held that the duty to compensate the successful party’s legal costs in intellectual property proceedings, pursuant to Art. 14 of the Enforcement directive, also applies to invalidity claims, counterclaims and defenses by the alleged infringing party threatened with patent enforcement. To deny such compensation in respect of nullity claims or defenses…

The Court of Appeal of Liège confirmed the President of the Commercial Court’s finding that the appellant had committed patent infringement, and ordered the reimbursement of costs of the saisie-contrefaçon (seizure of evidence), which were not considered damages but as procedural costs. Click here for the full text of this case. A summary of this case…

Historically, damages used to be calculated in the so-called “execution” (i.e. enforcement) phase of the proceedings, i.e. a second phase of the proceedings aimed at implementing the declarations and orders included in the judgment handed down after declaratory infringement proceedings. Due to the abuse of this system, in practice, the “execution” phase resulted in complex…