Rainer is qualified as an Austrian IP Attorney and European Patent, Trademark and Design Attorney and he is a partner of SONN IP Attorneys. Rainer advises and represents clients in IP prosecution as well as in contentious proceedings. He regularly appears in Austrian courts and before the European Patent Office. He also serves as an expert judge at the Commercial Court of Vienna. Clients and legal directories say about Rainer: “Dedicated and competent, Rainer provides a first-rate service. He can answer any technical or legal question thrown his way and is a skilled negotiator in court proceedings too.” Rainer teaches patent law at the law school of the University of Vienna. He is president of AIPPI Austria and co-founder of EPLIT. In addition, he is a member of the editorial board of the Österreichischen Blätter, the leading Austrian IP journal. Rainer holds a master’s degree in mechanical engineering and a PhD from the Technical University of Vienna as well as an LLM and postgraduate certificate in intellectual property litigation from Nottingham Law School.