- Preparation of first applications
- Prosecution of national and international applications
- Representation before the German Patent and Trademark Office, the European Patent Office, the German Federal Patent Court and Federal Court of Justice in grant proceedings, utility model cancellation proceedings, patent opposition proceedings and patent invalidity proceedings
- Management of foreign proceedings with our network of foreign associates before national offices and courts
- Preparation of application strategies
- Portfolio administration and management
- Freedom to operate searches and opinions
- Due diligence studies
- Preparation of licence, sale and collaboration contracts
- Defense against enforcement of intellectual property rights by third parties
- Pursuit of infringers including enactment of court orders and seizure of goods at trade fairs and border seizures
Special experiences:
(pharmaceutical coated) medicinal products, in particular prosthesis (knee, hip) and endovascular medicinal products, in particular stents, catheter technology, medicinal products for the removal of thrombi.


Dr. Werner Sulzbach
Dipl.-Chem.
Patent Attorney, European Patent and Trademark Attorney

Jochen Sties
Dipl.-Ing., LL.M.
Patent Attorney, European Patent and Trademark Attorney

Ute Feldmann
Pharmacist, LL.M.
Patent Attorney, European Patent and Trademark Attorney

Johannes Burhop
Dipl.-Ing.
Patent Attorney

Thomas Heydenreich
M.Sc. Chem.
Patent Attorney Trainee