All team members


Dr. Isabel Tomerius


German Patent Attorney

European Patent Attorney

UPC Representative


Isabel Tomerius, who holds her doctorate in chemistry, advises clients mainly in the fields of chemistry and biochemistry, laboratory and medical technology, life science, mechanics and optics.

She advises and represents clients in patent and utility model grant procedures before the European Patent Office and the German Patent and Trademark Office as well as in opposition, appeal, infringement, nullity and cancellation proceedings before the relevant specialist courts and tribunals. Isabel prepares expert analyses and opinions on technical and legal issues, including freedom-to-operate (FTO). She also advises on licensing agreements and employee invention law. Her expertise covers trademark and design matters in which she represents clients before the German Patent and Trademark Office, the European Union Intellectual Property Office (EUIPO) and World Intellectual Property Office (WIPO).

since 2023
Partner at Maiwald
2000 - 2023
Founding partner at another IP firm
1994 - 2000
Patent attorney at another IP firm (from 1997 as a partner)

Admitted to practice before the UPC
Admitted to practice as European patent attorney
Admitted to practice as German patent attorney
1993 - 1994
German Patent and Trademark Office, Federal Patent Court, Regional Court Munich I
1991 - 1993
Patent attorney trainee at another IP firm
1982 - 1991
Studied chemistry at the University of Würzburg, from 1987 on doctoral thesis (Dr. rer. nat.)

  • Patent grant procedures and portfolio management
  • Filing strategies and drafting applications
  • Freedom to operate and validity opinions and analyses
  • Opposition and nullity proceedings
  • Patent infringement
  • Employee invention law (advising, calculation of inventor's remuneration)
  • Trademark and design law (application/dispute proceedings)

  • German Patent Attorney Association
  • epi
  • Federal Association of Patent Attorneys
  • GRUR

  • German
  • English