Dipl.-Ing Thomas W. Laubenthal, LL.M.

German Patent Attorney, European Patent Attorney, Representative before the Unified Patent Court (UPC)

laubenthal@grunecker.de     S/MIME

+49 (0) 89 21 23 50

Office: Munich

Languages: German, English


Thomas W. Laubenthal specialises in patent law, focusing on mechanical engineering, automotive technology, and medical technology. Throughout his career spanning more than 30 years, he has represented both German SMEs and multinational corporations in these sectors.

His wealth of experience makes him highly sought-after for drafting and defending complex patent applications within these technical domains. Thomas actively engages in intricate opposition, nullity, and patent infringement proceedings, advocating before the Boards of Appeal, the Federal Patent Court, the Federal Supreme Court (BGH), and the Patent Litigation Chambers.

As a trusted advisor to German SMEs and patent applicants globally, Thomas possesses extensive expertise in portfolio management, inventor law matters, and strategies for securing adequate cross-border patent protection. He maintains a vast network of international professional contacts with whom he collaborates regularly.

Thomas is a member of EPI and FICPI.


  • Patent Law
  • Patent Infringement

Technical fields

  • Mechanical engineering and mechatronics
  • Automotive engineering
  • Civil Engineering
  • Production Technology
  • Medical Technology


  • Apprenticeship as a lathe operator, 1983-1986
  • Studied mechanical engineering at Koblenz University of Applied Sciences, graduated in 1991
  • Training as a patent attorney European Patent Attorney, 1998
  • German Patent Attorney, 2000
  • European Trademark and Design Attorney, 2000
  • Master of Laws (LL.M.) at the University of Hagen, 2014
  • Representative before the Unified Patent Court (UPC), 2023

Awards & Rankings

Handelsblatt, “Lawyer of the Year” in the legal field of patent law in Germany, 2021

Best Lawyers, “Lawyer of the Year” in the category Patent Attorneys in Bavaria, 2022

Leading Patent Attorney in his field, Handelsblatt and Best Lawyers, editon 2023

Leading Patent Attorney in his field, Handelsblatt and Best Lawyers, editon 2024