Atty. Dirk Harmsen
Dr. Dirk Harmsen is a German Patent Attorney, authorized representative before the European Patent Office as well as before the EUIPO and has been a partner at VOSSIUS & PARTNER since 2008.
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About Dirk Harmsen at a glance
Dirk Harmsen is a real estate and ip attorney, practicing at Vossius & Partner Patentanwälte Rechtsanwälte mbB. Recognitions include Best Lawyers in America — Intellectual Property Law (2026) and Best Lawyers in America — Pharmaceuticals Law (2026). Serands clients in Munich and the surrounding metropolitan area.
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About
- Dr. Dirk Harmsen is a German Patent Attorney, authorized representative before the European Patent Office as well as before the EUIPO and has been a partner at VOSSIUS & PARTNER since 2008
- In his work as a patent attorney he focuses on grant, opposition and nullity proceedings before the European Patent Office, the German Patent and Trademark Office and the German Federal Patent Court
- Dr. Harmsen has extensive experience in compiling validity and freedom-to-operate expert opinions as well as in the area of IP due diligence
- Dr. Harmsen’s profound expertise is particularly rooted in the fields of pharmaceutical chemistry, pesticides and polymer chemistry, including polymerization catalysts
- Dr. Harmsen was involved in a number of patent infringement actions
- Especially notable are legal proceedings regarding the pharmaceutical active agents Torasemide, Oxaliplatin, and Methotrexate
- He also represented clients in appeal proceedings before the German Federal Court of Justice
- His clients are both small and medium-sized companies located in Germany and leading global companies, in particular from the USA, Japan and Israel
- Dr. Harmsen studied chemistry at the Westphalian Wilhelms University in Münster with a main emphasis on organic and organometallic chemistry and obtained his Ph.D. in the field of bioorganometallic chemistry
- With VOSSIUS & PARTNER, he is responsible for organizing and running an annual, two-week training course regarding “European and German Patent Law” which has been held in high esteem in Germany and abroad for more than 25 years
- Professional associations: German Patent Attorneys' Association, German Association for the Protection of Intellectual Property, Association of German Chemists, European Patent Institute Languages: German, English
Practice Areas Explained
Dirk Harmsen's Areas of Practice
Each practice area below reflects the types of cases Dirk Harmsen handles, with a brief overview of what that area of law covers.
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Dirk Harmsen is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Dirk Harmsen is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys →
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