Mr Jan Kleiner > Bär & Karrer Ltd. > Zurich, Switzerland > Lawyer Profile

Bär & Karrer Ltd.

Work Department

Sports Law | Arbitration | Corporate & Commercial | Intellectual Property | Litigation | Privacy & Data Protection | Technology, Media & Telecommunications


Jan Kleiner Co-heads our firm’s sport practice group. His practice covers contentious and non-contentious matters in the fields of national and international sports law as well as media, entertainment and data protection law. He furthermore advises clients on technology and telecommunication law matters. Before joining Bär & Karrer in 2013, Jan Kleiner has obtained a doctorate in international sports law from the University of Zurich, he was Legal Counsel in an international sports federation and a Partner in a law firm specialized in sports, media and entertainment law. In addition, Jan Kleiner holds a Global Executive Master in International Sports Law from the Instituto Superior de Derecho y Economia in Madrid (Spain).

Jan Kleiner regularly publishes on national and international sports law topics and data protection matters. He is a lecturer in international sports law at the University of Zurich and in various other national and international Sports Law Master programs. He is also a lecturer in data protection law at the University of Applied Sciences of the Canton of Graubünden. He furthermore acts as President of the Sports Law Alumni, an international Alumni organization of sports law graduates.

Jan Kleiner is listed as a Thought Leader in Sports Law by Who is Who International and he is a recognized leader in Technology, Media and Telecommunication Law.


  • Partner at Bär & Karrer (since 2019)
  • Partner in a boutique law firm specialising in sports, media and entertainment law (2017-2019)
  • Associate at Bär & Karrer (2014-2017)
  • Legal Employee at Bär & Karrer (2013)
  • Legal Counsel with an International Sports Federation (2010-2012)
  • Junior Associate at a Swiss Law Firm (2006-2008)


German, English, French, Spanish


  • President and Chairman of the Board of the ISDE Sports Law Alumni (ISDE SLA)
  • Association Suisse de Droit du Sport (ASDS)
  • Alumni University of Zurich
  • International Association of Privacy Professionals (IAPP)


  • Admitted to the Zurich Bar (2013)
  • Instituto Superior de Derecho y Economia (Madrid): Global Executive Master in International Sports Law (2012)
  • University of Zurich: Dr. iur. (2008-2012)
  • University of Zurich: lic. iur. (2005)

Lawyer Rankings

Switzerland > Sports law

(Next Generation Partners)

Jan KleinerBär & Karrer Ltd.

The team at Bär & Karrer Ltd. is well versed in acting in a variety of sports cases, including litigation, mediation and arbitration matters. The group acts for prominent sports organizations, associations and individuals, advising them on contracts, regulatory compliance and brand protection. The practice is also active for broadcasters in rights, regulatory and contractual issues. ‘One of the most experienced sports law arbitratorsMichele Bernasconi, who also represents parties in disputes, leads the practice with Jan Kleiner who is skilled in media, entertainment and data protection law and ‘combines a fierce work ethic with profound knowledge of the law.’ Associate Lukas Stocker specialises in football regulatory matters, equestrian sports and swimming.

Switzerland > TMT

Bär & Karrer Ltd. assists clients with the full range of TMT matters, including complex software contracts, IT joint ventures, technology transfers and outsourcing projects. The practice acts on regulatory matters for telecommunication companies and represents clients in judicial and arbitral proceedings, for example regarding media rights. The team is jointly headed by Michele Bernasconi, Jan Kleiner and Markus Wang with Bernasconi having a ‘deep specialisation in media and TMT matters related to sport‘, Kleiner ‘extensive experience‘ in the media, entertainment and data protection fields, and Wang a particular specialism in the life sciences and healthcare sectors.