Lars Baum


Lars Baum advises and represents clients in various fields of intellectual property law, with a special focus on patent law. His practice, in particular, involves strategic advice and representation in complex national and multinational patent litigation and validity proceedings.

Lars studied law with a focus on intellectual property and competition law at the University of Cologne. Throughout his legal clerkship at the Higher Regional Court of Düsseldorf, he further specialized in the field of intellectual property and competition law at an international law firm as well as in the department for patent and trade mark law at a multinational chemical and consumer goods company.

Following his bar exam he joined HOYNG ROKH MONEGIER during his doctoral studies on intellectual property law and gathered additional experience in the patent law department of an international law firm in Washington, DC.

    • Representation of a leading chip manufacturer in patent infringement and validity proceedings (2019-today)
    • Advice and representation of mobile phone companies regarding the infringement of essential standard patents including FRAND defense
    • Representation of one of the world’s leading manufacturers in the field of mobile communications in various cross-border proceedings concerning standard essential and implementation patents (2018-today)
    • Advising and representing one of the world’s largest manufacturers of photovoltaic products in patent infringement and validity proceedings against several competitors (2018-today)
    • Advice and representation in design infringement disputes (2018-today)
    • German Association for the Protection of Intellectual Property (GRUR)
    • Intellectual Property Owners Association (IPO)
    • Association of Intellectual Property Experts (VPP)

Nos bureaux


Steinstraße 20
40212 Düsseldorf

Adresse postale:

Steinstraße 20
40212 Düsseldorf



German, English


Second State Exam in Düsseldorf (2015)

First State Exam in Cologne (2012)

University of Cologne (2007)