Most readers will be aware of the so-called “all elements” test, whereby patent infringement is normally discarded unless the allegedly infringing device or process reproduces each and every element of the claim. The “all elements” test contrasts with the so-called “essentiality” test. According to this test, there can still be infringement if an element of…

In one of the most highly observed patent cases in Europe in 2015, Case C-170/13, Huawei vs ZTE, the Court of Justice of the European Union with judgment of 16 July 2015 provided valuable and long-awaited guidance on the antitrust/FRAND defense in cases of standard essential patents (SEPs). The decision at the same time raised…

The Federal Court of Justice (Bundesgerichtshof) ruled that a defendant in a patent infringement suit may successfully raise an antitrust defense against the issue of an injunction where the asserted patent is standard-essential and the defendant has tried to obtain a license to the patent under reasonable conditions. The full summary of this case has been published…