What we do

Köllner is specialized in the field of Intellectual Property. Our main focus is taking care of our clients and their intangible assets. We are focussing on the invention, its value and the related business model. Our clients appreciate that we take great care, no matter if originating from a global company or if you are a solo inventor!


Who we are

We are European & German Patent Attorneys, European & German Trademark and Design Attorneys. Our team comprises experts with know-how in several technological and engineering areas. The office is situated in Frankfurt (Main), right in the center of Europe and we would like to welcome you and your invention in our time-honoured atmospheric office.



Our team is our asset. We do not claim having all expertise in all segments. Whenever we have the feeling that someone else would be a better fit, we pro actively initiate the introduction.



We appreciate personal contact.
Please do not hesitate to get in contact by phone or e-mail.

Köllner & Partner mbB, Patentanwälte
Vogelweidstr. 8
D-60595 Frankfurt

Phone: +49 (0)69 69 59 60-0
Fax: +49 (0)69 69 59 60-22
e-mail: info@kollner.eu