
CBH Rechtsanwälte offers a comprehensive range of IP services and advises clients on patent disputes, including opposition, cancellation and nullity proceedings, as well as on employee invention law, licensing agreements and antitrust- and IT-related matters. Jens Kunzmann and Stephan Gruber are experienced in cases before a variety of courts, including the Federal Court of Justice, and jointly head the team with Hannes Jacobsen, whose focus areas include SEP-related disputes; this is also one of Paul Szynka's core competencies.
Testimonials
Collated independently by Legal 500 research team.
'CBH manages to provide competence and commitment beyond what is expected. I am personally very satisfied with the firm and it offers a balanced price-performance ratio.'
'Proven experts in the field of employee invention law and inventor remuneration; very good relationship management and communication.'
- 'Jens Kunzmann: excellent all-rounder in employee invention law and contract matters, very good industry knowledge, good relationships with clients.'
'Comprehensive expertise in all employee invention matters and relevant adjacent legal areas.'
'Jens Kunzmann: comprehensive expertise across all employee invention issues and relevant adjacent legal areas. Competent representation in legal disputes with a very independent working style.'
'Pragmatic, fast, reliable, client-oriented.'
'Hannes Jacobsen is available at all times and takes a lot of time to understand technical issues and explain possible solutions.'
'Very competent in terms of expertise, very up-to-date with regard to case law, pragmatic solution proposals, cost-conscious advice.'
Key clients
- Adolf Würth GmbH & Co KG
- Bayer AG
- Bosch Rexroth
- Eberspächer-Gruppe
- Fliegl Fahrzeugbau GmbH
- Heraeus Gruppe
- Hoyer Handel GmbH
- Müller Handel GmbH & Co. KG
- Phoenix Contact Gruppe
- Schaeffler-Gruppe, insb. Schaeffler Technologies AG & Co KG
- Siemens AG
- Siemens Healthcare AG
- Süddeutsche Gelenkscheibenfabrik GmbH & Co. KG
- Thyssenkrupp Konzern
- Wacker Chemie AG
- Würth Industrie Service GmbH & Co. KG
Work highlights
- Representation of Phoenix Contact GmbH & Co. KG in a patent dispute with Harting Group.
- Representation of Siemens Healthcare in a patent dispute with a German competitor regarding 3D X-ray sheets.
Lawyers

Practice head
The lawyer(s) leading their teams.
Jens Kunzmann, Hannes Jacobsen, Stephan Gruber