Alexander Haertel joined Deutsche Telekom as the head of patents in 2022, after 18 years of extensive patent litigation experience as an attorney-at-law. In his position as head of patents he is responsible for all patent related litigation as well as prosecution of Deutsche Telekom. His role also encompasses any patent related licensing as well as patent policy issues. Alexander has conducted hundreds of cases before all major German courts including nullity proceedings and opposition proceedings, with a special emphasis on cross-border disputes especially in the telecommunication and automotive sector. He is an active lecturer and publishes regularly on patent law. He is, among others, an author for a commentary on the Unified Patent Court.