In this blog I report about how the Bundesgerichtshof (BGH) has recently eliminated some potential for conflicting decisions in Germany’s bifurcated patent litigation system. The separation of infringement and invalidity proceedings is the basis for what we call the “mouse and elephant strategy”. In the infringement proceedings the patentee tries to establish a scope of…

In my first post I have described the old shabby courtroom of the patent chamber of the District Court of Düsseldorf. Meanwhile the court has moved to a new court house which is situated close to the central station. This new location is the result of a more service oriented approach of the judicature. Not…

The holder of a patent is entitled to damages caused by unlawful usage of the patent’s teaching. But what to do if the patent is transferred while the patent is being infringed? Who can claim damages for whose damage then? In principle, the transfer of the patent is not subject to the registration of the…

The German Federal Supreme Court (Bundesgerichtshof) has recently made clear that every court has to take into account preceding decisions of the European Patent Office (EPO) and of courts of other contracting states to the European Patent Convention (EPC) if these decisions essentially concern the same questions. Although there is no principle of precedence in…

The German Federal Court of Justice decided that a method concerning the dynamic document generation of structured documents in a client-server-environment, which is implemented by software, was not excluded from patent protection as a program for data processing systems. A method is always of technical nature if it concerns the direct interaction of elements of…

On 22 April 2010 the German Federal Court of Justice issued its Decision in a case on appeal from the German Patent Court. The later rejected on the ground of excluded subject matter a claim to a method for dynamic generation of documents. In essence the method carries into effect an interface that translates commands…

Control question: remember what this was? You certainly knew the answer had you read Max’s post on Patent Law and Philosophy: this is not just an IBC (Intermediate Bulk Container) for acids and toxins; this is a modern embodi-ment of an ancient Greek paradoxon. Remember: “cage + bottle = IBC”. This much is clear enough,…

The German Federal Court of Justice has maintained Microsoft’s patent relating to alternative handling of short and long filenames. In the first instance, the Federal Patent Court considered the teaching of the patent not inventive over the Rock Ridge Interchange Protocol used for CD-ROMs. However, supported by a court expert the Federal Court of Justice…

The District Court Duesseldorf held that the addressee may not refuse acceptance of a complaint according to Art. 8 para. 1 lit. a) of Regulation (EC) No. 1393/2007 on the Service in the Member States of Judicial and Extrajudicial Documents in Civil or Commercial Matters if the court file contains objective evidence that the document…