Patent case: Telekommunikationsnetzwerkdienste, Germany

Kluwer Patent Blog
August 17, 2018

Please refer to this post as: , ‘Patent case: Telekommunikationsnetzwerkdienste, Germany’, Kluwer Patent Blog, August 17 2018,

Nullity Plaintiff still has a need for legal relief even after expiry of the patent as long as Patentee has not given up claims against customers of Plaintiff. A conventional personal computer with telephone functions does not render obvious to implement one of its features in a mobile phone.

Case date: 16 January 2018
Case number: X ZR 89/15
Court: Federal Court of Justice of Germany

A full summary of this case has been published on Kluwer IP Law.