Rudolf Teschemacher is a recognized expert in all questions of procedural and substantive law relating to the European Patent Convention.

Rudolf Teschemacher held important positions at the European Patent Office from its early years on. As Director Patent Law he was responsible for advising examiners, EPO top management and users of the European patent system in how to apply European patent law. In his years as a permanent member of the Enlarged Board of Appeal he drafted landmark decisions such as Novartis on the patentability of plants or PPG and Genetic Systems on the admissibility of disclaimers. The activities of Rudolf Teschemacher in the Technical Boards of Appeal were mainly related to chemistry, but he worked also in other technical fields, in particular mechanical engineering. Though being a legally trained member of the boards, he became chairman of a Technical Board of Appeal for matters of Chemistry. 

As a Senior Consultant with BARDEHLE PAGENBERG, Rudolf Teschemacher employs his exceptional judicial and technical experience to the benefit of the firm's clients.