Ingo Sappa

Dr. Wolfgang Patzelt is partner in the Munich office of RITTERSHAUS. He is a specialist lawyer for administrative law and advises project developers and investors on the fast and legally secure enforcement and structuring of building law. He advises projects in the residential/commercial/industrial sectors as well as in the renewable energy sector, primarily wind power and photovoltaics. He also represents municipalities in urban planning law. In addition to drafting development plans, he spe...

Markus Engelhard is active in all fields of life sciences, pharmacology, and biotechnology, having a particular focus on therapeutic biomolecules and pharmaceutically active agents. His clients include start-up companies, small and medium-sized enterprises, multinational corporations, universities, and academic research institutions. He supports them in acquiring and enforcing intellectual property rights, building up patent portfolios, and representing them in opposition, invalidation, and i...

Dr. Jörg Hahn was born in 1973 in Meiningen, Germany. He studied chemistry at the Georg-August-University in Göttingen, focusing on physical chemistry. During his studies, he completed a diploma thesis addressing kinetics in atmospheric chemistry. He later earned his Ph.D. at the University of Göttingen, where his research concentrated on kinetics and combustion chemistry. Following his doctoral work, Dr. Hahn joined the start-up company Microliquids. In this role, he worked wi...

Dr Matthias Bruse is a founding partner of POELLATH (formerly P+P Pöllath + Partners). He has practiced corporate law since 1984 and has decades of expertise in transactions with a focus on private equity investments and family-owned businesses. In addition, he is also highly regarded for his corporate law advice, often with regard to succession issues. Matthias is also active as arbitrator, in particular with respect to post-M&A disputes. He is frequently ranked as one of the preemi...

Christine Lange Attorney Certified specialist in commercial and corporate law Partner Specialists area: Corporate law, c ommercial law, m ergers & acquisitions As a certified specialist in commercial and corporate law, I advise corporate groups with German investment companies as well as mostly medium-sized and smaller national companies on all matters of corporate law. My practice in corporate law covers all life cycle phases of a company, from its formation to capital measures such as f...

Annette Keller is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Annette practices law in Munich, Germany Best Lawyers has recognized Annette Keller since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Annette Keller is held by other lawyers.

Tilman Müller-Stoy is widely recognized as a leading German patent litigator. Having won the very first inter partes preliminary injunction based on the very first Unitary Patent for his clients 10x Genomics and Harvard, he already is one of the pioneers at the newly established European Unified Patent Court. With over 20 years of experience in IP, he has handled several hundreds of patent disputes (including entitlement proceedings) in courts and patent offices, with a focus on high-pro...

Johannes Heselberger represents clients in patent infringement proceedings before German courts in the first and second instance and gives advice and support to them in legal appeal proceedings and in complaints against denial of leave to legal appeal proceedings before the German Federal Court of Justice. Since the start of the UPC system on June 1, 2023, he has also represented clients in infringement and nullity proceedings before the Unified Patent Court. In addition, Johannes Heselberger...

Henning Hartwig’s practice involves prosecution and litigation of IP rights in the fields of trademark, design, copyright and unfair competition law. His practice focuses primarily on national and international industrial design law, particularly multinational design infringement proceedings as well as invalidity proceedings before the European Union Intellectual Property Office (EUIPO) in Alicante and the Court of Justice of the European Union in Luxembourg. As the editor of the four-v...

Steffen Schmidt is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Steffen practices law in Munich, Germany Best Lawyers has recognized Steffen Schmidt since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Steffen Schmidt is held by other lawyers.