All team members


Dr. Klaus Breitenstein


German Patent Attorney

European Patent Attorney

UPC Representative


Klaus provides advice and support to clients in securing, maintaining, enforcing and defending their patent and utility model rights. In addition to the knowledge and experience gained through his research work in the fields of organic and organometallic chemistry, he has also acquired particular expertise in the fields of chemical process engineering, polymers and polymer formulations, and pharmacy. Klaus advises clients on all questions of national and intellectual property protection in these fields and enjoys finding new and fresh approaches to problem-solving. The bulk of his work is carried out in German and English, although he also has a good basic knowledge of French, Spanish and Dutch.

since 2021
Counsel at Maiwald
since 2016
Patent attorney at Maiwald
2006 - 2016
Patent attorney at an IP law firm
2002 - 2006
Patent attorney trainee at an IP law firm
2000 - 2001
Post-doctoral research at the Centro de Investigación y Desarrollo (CID) des Consejo Superior de Investigaciónes Científicas (CSIC)

Admitted to practice before the UPC
Admitted to practice as European patent attorney
Admitted to practice as German patent attorney
2002 - 2004
Studied law for patent attorneys at the University of Hagen
1995 - 2000
Doctoral degree in the field of organic and organometallic chemistry from the Gerhard Mercator University/Comprehensive University of Duisburg
1990 - 1995
Studied chemistry at the Gerhard Mercator University/Comprehensive University of Duisburg

  • Patent prosecution and portfolio management
  • Filing strategies and drafting patent applications
  • Supplemental protection certificates proceedings
  • Freedom-to-operate and validity analysis
  • Opposition and nullity proceedings
  • Patent litigation

  • Scholarship of the Graduate Funding of the State of North Rhine-Westphalia

  • German Patent Attorney Association
  • epi

  • German
  • English