This website is operated by ERGAU & WALKENHORST Intellectual Property GmbH.

Legal status:

Gesellschaft mit beschränkter Haftung
eingetragen im Handelsregister, HRB 131726, Amtsgericht Frankfurt am Main


Authorized Representatives::

Dr. Jörg Kugler
Dr. Christian A. Mohr


Registered office::

Lurgiallee 12
D-60439 Frankfurt am Main


Tax ID (VAT Registration No.):



Responsible tax office::
Frankfurt am Main


Data Protection Officer:

IT Consulting Dipl.-Ing. Jörg Wölker

Dietrich-Bonhoeffer-Straße 9
63150 Heusenstamm

Phone: +49 6104 809 3610

Frankfurt / Main location:

Lurgiallee 12
D-60439 Frankfurt / Main

Tel. 069 / 90 55 26 20
Fax 069 / 90 55 26 15

Nürnberg location:


Allersberger Straße 185
D-90461 Nürnberg


Tel. 0911 / 37 65 30 0
Fax 0911 / 37 65 30 29

Ingolstadt location:


Geisenfelder Straße 36
D-85053 Ingolstadt

Tel. 0911 / 37 65 30 0
Fax 0911 / 37 65 30 29


Admission of attorney at law:

All patent attorneys and attorneys at law in our firm are authorized under the German law. Apart from the attorneys at law, the patent attorneys in our law firm are also authorized to work as European Trademark and Design Attorneys before the Office for Harmonization in the Internal Market (OHIM). The patent attorneys in our firm, if appointed European Patent Attorneys, may also be allowed to represent before the European Patent Office (EPO).


For patent attorneys, the competent supervisory authorities are the

Attorneys at Law are subject to professional regulations, which include, in particular, the Professional Code for Attorneys (Berufsordnung für Rechtsanwält, BORA), the Federal Code for the Legal Profession (Bundesrechtsanwaltsordnung, BRAO) and the Attorneys Compensation Act (Rechtsanwalttsvergütungsgesez, RVG). A current version of the above-mentioned regulations can be found on the Federal Chamber of Justice website  (       

Patent attorneys are subject to regulations which include, in particular, the Patent Attorney Act (Patentanwaltsordnung, PA)] and the Professional Code of Conduct for Patent Attorneys (Berufsordnung für Patentanwälte, BOPA). A current version of the above-mentioned regulations can be viewed on the Patent Attorney Association's website ( 


All contents provided on this website are intended for information on intellectual property rights in Germany and Europe only. Although we compiled the pages carefully, we cannot assume any responsibility for the accuracy of the contents provided. By the same token, we cannot accept any liability for the links to third-party sites, even though we have carefully reviewed them before they were included. If a link has punishable or obscene content or directly points to a page containing such content, please send us a message. We will remove that link.


Copyright notice:

The content of this website is for information purposes only and does not constitute legal advice. The website contains links to other websites, for which we cannot take any responsibility. The entire web design including the texts, graphics and the selection and the arrangement thereof are copyright-protected.


Professional liability insurance:

The firm has a professional liability insurance policy with

R + V Allgemeine Versicherung AG
Raiffeisenplatz 1
65189 Wiesbaden
Sitz: Wiesbaden, Handesregister-Nr.: HRB 2188, Amtsgericht Wiesbaden
Ust-Id.-Nr.: DE 811198334.

Versicherungsschutz besteht für sämtliche Patentanwälte, die in der Patentanwaltskanzlei tätig sind, weltweit und ohne territoriale Einschränkungen. 


Privacy policy:

You can find the privacy policy here: Privacy policy