Competent . Precise . Personal

Rudolf A. Rentsch

IPrime Rentsch Kaelin AG
Hirschengraben 1
8001 Zurich

+41 44 229 60 60

Dr. iur., M.A. HSG et MSc EE ETH
Attorney at Law and Swiss Patent Attorney, Partner1, 5

Rudolf Rentsch acts as consultant and as litigant, in all areas of intellectual property law (in particular patent, trademark and copyright law) as well as competition law. He has vast experience in managing complex patent litigations as well as in coordinating international law suits. Further areas of expertise include ICT law (information and communication law), licensing law as well as legal and technical consultancy in the field of computers, software, the Internet and telecommunications. He is a member of the China Desk Association of Switzerland and has been involved in cross-border litigation and contract matters in Asia and the USA for many years.

Rudolf Rentsch holds two master‘s degrees, one in law at the University of St. Gallen (magna cum laude), and one in electrical engineering at the ETH Zürich (with a main focus on computer software). He did his doctorate in jurisprudence at the University of Zürich (summa cum laude). From 1997 to 2011 he served as a member of the Swiss Federal Arbitration Commission for the exploitation of copyright and related rights. He was a founding partner of the law firm Rentsch Partner Ltd, which was founded in 2001 as Rentsch & Partner, based in Zürich, where he was Chairman of the Board and Partner until 2016.

Since 2010, he is a part-time judge at the Swiss Federal Patent Court. He was re-elected by the United Federal Assembly of the Swiss Parliament for a second election term from 2018 to 2023.

In 2017 he was appointed as a member of the Advisory Board of Swiss Innovation Valley.


2017: Prof. Walther Hug-Award

since 2008: Who's Who Legal (patent law)

2001: Honorary member of INGRES (Institute for Intellectual Property)

1987: Walter René Schluep-Award

Publications and Lectures:

  • Commentary on Articles 109-111, 121-124 and 131-138 PatG, in: Schweizer Mark, Zech Herbert (ed.), Patent Law, Stämpflis Handkommentar, Bern 2019, Rudolf A. Rentsch (Art. 121-124 and 131-138 in co-authorship with Moritz A. Kälin)
  • Patents 2018, Switzerland, "Getting The Deal Through", London 2018, Rudolf A. Rentsch, Andrea Carreira, Demian Stauber
  • Patents 2017, Switzerland, "Getting The Deal Through", London 2017, Rudolf A. Rentsch, Andrea Carreira, Demian Stauber
  • Patents 2016, Switzerland, "Getting The Deal Through", London 2016, Rudolf A. Rentsch, Andrea Carreira, Demian Stauber
  • Geistiges Eigentum - Bewertung von Immaterialgütern, KMU Magazin, Horn 2016, Rudolf A. Rentsch
  • Das Europäische Patentrecht und seine Harmonisierungswirkungen in der nationalen Rechtsprechung der Schweiz. Eine sozialwissenschaftliche Analyse der nationalen Praxis, Diss., Zürich, Schriften zum Medien- und Immaterialgüterrecht, Bd. 102, Bern 2016., Rudolf A. Rentsch
  • Ausgewählte rechtsvergleichende Aspekte der Nichtigkeitsanfechtung von Patenten - unter gleichzeitiger Rückbesinnung auf Grundlagen des Patentrechts, in: Christian Osterrieth/Martin Köhler/Klaus Haft (Hrsg.), Patentrecht - Festschrift für Thomas Reimann zum 65. Geburtstag, Zürich 2009, Rudolf A. Rentsch
  • "Chinese patent law and regulations regarding securing and controlling technology", Conference of 18.11.2015, organised by SSIP, Zhongshan Municipal People's Government, NHTP (see
  • Die patentrechtliche Einrede des freien Standes der Technik, insbesondere im Bereich der Nachmachung, sic! 2006, 15 ff., Rudolf A. Rentsch, Gregor Wild
  • Die Unkenntnis des Standes der Technik begründet keine erfinderische Tätigkeit, in: Binsenwahrheiten des Immaterialgüterrechts, Festschrift für Lucas David zum 60. Geburtstag, 59 ff., Zürich 1996 ff., Rudolf A. Rentsch

  • LES (Licensing Executives Society - Association for Licensing, Technology Transfer and Intellectual Property)
  • Swiss Bar Association
  • Zurich Bar Association
  • Europa Institut at the University of Zurich
  • GRUR (German Association for the Protection of Industrial Property and Copyright)
  • INGRES (Institute for Intellectual Property Rights)
  • Swiss Association of Judges (SVR-ASM)
  • Swiss-Chinese Chamber of Commerce: SCCC
  • swissICT (Swiss Association for Information and Communication Technology)
  • Zurich Association of legal practitoniers (ZJV)

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1 Admitted to the bar
5 Swiss Patent Attorney