Attorneys at Law

The practice focuses on advice and representation in patent litigation in all technical fields; further in utility models, unfair competition and patent-relevant anti-trust law. Experience in the sectors of telecommunication, IT (including software), electronics, medical devices, automotive engineering, sports equipment, machinery and plant engineering, glass coating, brewing and food processing technology, packaging, abrasives, chemistry, biotechnology and pharma.

Tilman Müller-Stoy represents clients in multi-jurisdictional patent infringement suits, in (parallel) invalidation and opposition proceedings before the German Federal Patent Court, the German Patent and Trademark Office, the European Patent Office and the German Federal Supreme Court. He is regularly active as lead counsel in multi-national patent infringement suits (often relating to the U.S. and to industrial standards) and preliminary injunction proceedings for patent infringement, and in so-called vindication proceedings concerning the transfer of patent rights due to unlawful usurpation. He also advises in IP-relevant contractual matters, in particular licensing, and matters of employee inventions law, as well as in mediation and arbitration proceedings.

Tilman Müller-Stoy is currently representing a leading US software corporation in a number of multi-jurisdictional patent suits in the smartphone and tablets sector, and a globally acting corporation in the field of internet telephony (Germany, USA, Japan, UK, The Netherlands, Luxembourg). He is also involved in a number of patent litigation suits with respect to the UMTS and DDC standards. Further patent infringement and patent vindication proceedings concern the sectors of electronics, automotive, pharma, chemistry, ultrasonic welding, abrasives, photovoltaics, brewing technology, sports equipment, and glass coating. His clients in these fields also include a number of highly innovative SMEs in Germany and abroad.


Recommended in:

The Legal 500 Deutschland 2015:
“Der ‘großartige Stratege’ Tilman Müller-Stoy hat ein ‘großes Geschick im Streiten und Gewinnen von Fällen, behält stets den perfekten Überblick, vergisst nie ein Argument und weiß, wann seine Stimme zu erheben’.”

Who’s Who Legal Germany: Patents 2015

Best Lawyers 2014

Chambers Europe and Chambers Global 2014:
“‘highly respected and full of good ideas’”

IAM Patent 1000 - 2014:
“Drawing ‘endorsements from across the world’, Tilman Müller-Stoy ‘is probably the best young lawyer in the patent field’”

Managing IP 2014

The Legal 500 Deutschland 2014:
“Tilman Müller-Stoy hat ‘hervorragende Fähigkeiten zu kämpfen und zu gewinnen’”

The Legal 500 EMEA 2014:
“Tilman Müller-Stoy […] ‘fights and wins’”

Who’s Who Legal Patents 2014

IAM Patent 1000 - 2013:
“‘Probably one of the best young lawyers in the patent field’, Tilman Müller-Stoy has trail experience encompassing a variety of technical disciplines”

JUVE German Commercial Law Firms 2013/2014:
“‘excellent in telecoms litigation’” (competitor)

The Legal 500 EMEA 2013

Who’s Who Legal Germany 2013:
“‘Tilman Müller-Stoy makes a good impression, and is growing in prominence within the market’”

JUVE German Commercial Law Firms 2012/2013

Chambers Global 2013

IAM Patent 1000 - 2012:
“creative, outside-the-box thinking” with “superb attention to detail”; he is “brilliant in court, with a calm, persuasive style.”

The Legal 500 EMEA 2012:
“a fantastic ability to explain difficult technical subject matter to judges.”

Chambers Global 2012:
“very professional and to the point, with an understated knowledge of the law and in-depth understanding of (the client's) business goals.”

Who’s Who Legal Germany 2012:
“... whose work in infringement suits and parallel invalidation and opposition proceedings is top tier” (peer quote)

JUVE German Commercial Law Firms 2011/2012

The International Who’s Who of Business Lawyers (Who’s Who Legal) – Patents 2011

Chambers Global 2011:
“has built a strong reputation with clients for his presentational ability and level-headed style in court”



Trainee at various international law firms in Germany and at US law firms Leydig, Voit & Mayer in Chicago, Illinois, and Baker Botts in Austin, Texas


Associate at BARDEHLE PAGENBERG in Munich


Visiting attorney at East IP Legal Services in Beijing, China

Since 2010

Partner at BARDEHLE PAGENBERG in Munich



Studied Law at the universities of Regensburg, Germany, and Aberdeen, UK


First State Examination (degree-level qualification)


Second State Examination (bar admission exam)


Admitted as attorney-at-law


Awarded “Dr. iur.” (PhD) degree in Law, University of Augsburg, Germany (thesis: “Proving and Inspecting the Object of Infringement according to German Patent Law”)


Commercial mediator (MuCDR)


Certified as a specialist IP lawyer by the Munich Bar Council


German, English

Since 2007 Tilman Müller-Stoy serves as an instructor in the bar preparation programme of the Munich Appeal Court. Since 2008 he lectures on IP Law at Munich Technical University. He teaches patent law at the Center for Advanced Study and Research on Intellectual Property (CASRIP) of University of Washington School of Law and in the framework of Dresden University of Technology’s LL.M. program “International Studies in Intellectual Property Law”. He regularly speaks on German and international IP Conferences and publishes on the topics of his practice, most recently also as a member of the editorial board of the EPLAW Patent Blog (blog of the European Patent Lawyers Association). He is LESI Chair Young Members Congress (2012/2013).

He is qualified as certified specialist in IP law and as commercial mediator (MuCDR).

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Recommended in

  • Best Lawyers 2013: Müller-Stoy
  • WIPR Leaders • Germany
  • Intellectual Asset Management • Patent 1000 • Recommended Individual 2014
  • Chambers Europe
  • Expert Guides • Patent Law
  • German Commercial Law Firms
  • Intellectual Asset Management • Patent 1000
  • IP Handbook
  • The Legal 500
  • Who's Who Legal Germany

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