Vita

Sören Dahm was admitted to the German bar in 2012. Prior to his admission as a lawyer, he had worked in a patent attorney firm in Düsseldorf for several years. In July 2018 he was named partner at Kather Augenstein.

Sören Dahm specialises in patent infringement disputes. He advises and represents local and international clients in the national courts of all instances. He has also participated in, and coordinated cross-border litigations as part of various national teams.

Sören Dahm holds practical experience in numerous technical fields, especially in telecommunications, mechanical engineering, and the automotive, chemical and medical industries.

In addition to patent law, Sören Dahm also represents clients in trademark, design and unfair competition law, especially in infringement proceedings.

Sören Dahm is a member of GRUR, VPP and Young EPLAW.

Contact

Representative cases

  • Representing a tire manufacturer in a suit for infringement of a Community design for a truck tire tread (Regional Court of Hamburg BeckRS 2018, 47799 – Reifenprofil II)
  • Participation in a competitive process regarding competitive originality and imitation of natural-stone cobblestones (Higher Regional Court Cologne GRUR 2017, 1159 – Natursteinpflaster)
  • Preliminary injunction proceedings for a major German automotive supplier, obtaining ex-parte injunctive relief for patent infringement by resolution
  • Infringement proceedings for breach of 5 different intellectual property rights at two court venues – dental engineering / chemical
  • Preliminary injunction proceedings for a luxury sports car manufacturer, obtaining injunctive relief for trademark infringement by resolution
  • Series of patent infringement lawsuits for infringement of 12 different standard essential patents at two court locations – mobile phones / LTE

Publications

  • German Federal Court of Justice clarifies requirements for the protectability of shape marks – Federal Court of Justice, decision dated 23 July 2020, I ZB 42/19 – Intellectual Property Forum – IPSANZ, Issue 124 [EN] (together with Christopher Weber)
  • Update Germany 2021 – What’s New in German Intellectual Property Law? Intellectual Property Forum – IPSANZ, Issue 123 [EN] (together with Christopher Weber)
  • Change in Jurisdiction on Territoriality? Regional Court of Dusseldorf on Patent Infringement if the steps of a Patented Method are not all done in a Single Country but in Multiple Countries, OLG Düsseldorf, decision dated 28.07.2020, 4a O 53/19, Intellectual Property Forum – IPSANZ, Issue 122 [EN] (together with Christopher Weber)
  • German Federal Court of Justice increases the requirements for FRAND-objection, Report on the Federal Court of Justice’s decision in Sisvel v Haier, Intellectual Property Forum – IPSANZ, Issue 121 [EN] (together with Christopher Weber)
  • Is the famously stringent German Patent Act about to be softened?, Intellectual Property Forum – IPSANZ, Issue 120 [EN] (together with Christopher Weber)
  • Double Identity – Not as identical as you think? Federal Court of Justice discusses the criteria for trademark use of a model name as an indication of origin, FCJ, decision dated 11.04.2019, I ZR 108/18, Intellectual Property Forum – IPSANZ, Issue 119 [EN] (together with Christopher Weber)
  • Federal Court of Justice clarifies criteria for right of private prior use, FCJ, decision dated 14.05.2019, X ZR 95/18, Intellectual Property Forum – IPSANZ, Issue 118 [EN] (together with Christopher Weber)
  • Federal Court of Justice clarifies criteria in determining the protected subject matter of a registered design, FCJ, decision dated 20.12.2018, I ZB 25/18 and I ZB 26/18, Intellectual Property Forum – IPSANZ, Issue 117 [EN] (together with Christopher Weber)
  • Federal Court of Justice clarifies criteria in determining the protected subject matter of a registered design, FCJ, decision dated  20.12.2018 (I ZB 25/18 und I ZB 26/18), IPSANZ, Issue 117, September 2019 [EN] (together with Christopher Weber)
  • Courts clarify Art. 16 of EC Regulation No 110/2008 on the definition, description, presentation, labelling and the protection of geographical indications of spirit drinks, Intellectual Property Forum – IPSANZ, Issue 116 [EN] (together with Christopher Weber)
  • The territorial scope of the risk of confusion of a multi-syllable union sound mark, Federal Supreme Court Judgment of 12.07.2018 – I ZR 74/17, IPRB 2019, 29
  • European Court of Justice (“CJEU”) clarifies interpretation of Art. 8(1) of Designs Directive, CJEU, deiciosn dated 08.03.2019 – C-395/16 – DOCERAM, Intellectual Property Forum – IPSANZ, Issue 115 [EN] (together with Christopher Weber)
  • HRC Dusseldorf refuses to follow FCJ regarding cease and desist obligations in German patent cases, OLG Düsseldorf, decision dated 30.04.2018, I-15 W 9/18 – Rasierklingeneinheiten, Intellectual Property Forum – IPSANZ, Issue 114, December 2018 [EN] (together with Christopher Weber)
  • Legal consequences of successful FRAND-objection, GRUR-Prax, 03/2017, 67-69