The Law Firm

btb IP

Patents | Trademarks | Designs

is a patent law firm in the German state of North Rhine-Westfalia with location in Cologne.

Whether patent, utility model, registered design or trademark: We support you in making your intellectual accomplishments your legal property. At the interface between technology and law we advise you with technical understanding and legal knowledge and assist you in prosecution, enforcement, defense and economic utilization of your technical inventions and intellectual property rights. Next to prosecution before the offices the attorneys of btb IP assist and advise in infringement matters and litigation proceedings before German civil courts.

The patent attorneys professionally represent their clients in proceedings before the German Patent and Trademark Office, the European Patent Office (EPO), the European Union Intellectual Property Office (EUIPO) as well as before the World Intellectual Property Organization (WIPO), the German Federal Patent Court and in patent nullity pro-ceedings before the German Federal Supreme Court. Furthermore, the patent attorneys are admitted to the new Unified Patent Court (UPC).

Our Patent Attorneys

Klaus Bungartz

PATENT ATTORNEY| PARTNER After his studies of mechanical engineering at the RWTH…

Dr. Sidney Baltzer

PATENT ATTORNEY| PARTNER Dr. Sidney Baltzer studied mechanical engineering at the Technical…


Searches / FTOs
Strategy Consulting
Law on Employees' Inventions




Partnerschaft mbB

German Patent Attorneys
European Patent Attorneys
European Trademark Attorneys
European Design Attorneys
European Patent Litigators (admitted to the UPC)

Im Mediapark 6A
50670 Köln (Cologne)

Telefon + 49 (0)221 94 98 05 0
Telefax + 49 (0)221 94 98 05 25