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Stephan Dorn
Partner

Dr. Stephan Dorn

Rechtsanwalt | UPC Representative (UPC Representative)

Stephan Dorn has more than ten years of experience representing clients in patent litigation before German courts and, since 2023, before the Unified Patent Court (UPC). His clients mainly include companies from the automotive and consumer electronics sectors. The infringement and opposition proceedings he represents clients in often focus on communication technologies (mobile telephony, Wi-Fi, voice, audio and video coding) and usually have a cross-border dimension. Stephan Dorn has in-depth experience in enforcing and defending standard-essential patents (SEP litigation), FRAND licensing terms and complex licensing agreements. He is ranked as "one to watch" for Patent Litigation in the renowned industry publication JUVE Patent.

Stephan Dorn started his career as a lawyer at a large international commercial law firm where he most recently worked as counsel. He joined CMS in 2025.

Awards & Recognitions
01
  • Quote
    Listed as "Recommended individual" in the JUVE Patent UPC Ranking 2025
    JUVE Patent, 2025
  • Quote
    "impressive knowledge of strategic options under the UPCA", "deep knowledge of procedural issues, comes up with creative solutions", competitors
    JUVE Patent, 2025
  • Quote
    Listed as "One to Watch"
    JUVE Patent, 2023

Relevant experience

  • Netgear Inc. | Representation in multi-jurisdictional patent infringement proceedings brought by Huawei concerning Wi-Fi 6 SEPs before German national courts and the UPC Local Division Munich. The dispute also spread to courts in China and the USA.
  • HP Inc. | Representation in multi-jurisdictional patent infringement proceedings brought by Nokia concerning HEVC SEPs before the UPC Local Division Munich.
  • World leading California based smartphone and computer company | Representation in numerous patent infringement proceedings brought by numerous NPEs before German Courts over cellular (3G/4G/5G), voice, audio, video codecs and Wi-Fi SEPs as well as wireless charging technology.

All while at former law firm

Memberships & Roles

Education

  • 2013: Rheinische Friedrich Wilhelm University– Doctorate (Dr iur.)
  • 2013: Cologne Higher Regional Court – Second state examination in law
  • Until 2011: RWTH Aachen/Research Associate HUMTEC 
  • 2007: Cologne Higher Regional Court – First state examination in law
  • Up to 2007: Studies at the Rheinische Friedrich Wilhelm University – 1st state examination in law
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