Imprint and information pursuant to §5 TMG (German Tele-media act)

Patentanwälte Olbricht Buchhold Keulertz Partnerschaft mbB

Neue Mainzer Strasse 75
60311 Frankfurt/Main, Germany

Telefon: +49 69 7890 401 0
Telefax: +49 69 7890 401 10


Represented by:
Dipl.-Phys. Jürgen Buchhold
Dipl.-Ing. Robin Keulertz
Dipl.-Ing. Matthias Rathert

Responsible according to §55 Absatz 2 RStV: Dipl.-Ing. Robin Keulertz

Register entry: Entry in the Partnerschaftsregister (register for commercial partnership)
Registering court: Amtsgericht Frankfurt/Main
Registration no.: PR 1782
VAT identification no. according to § 27 a Umsatzsteuergesetz (German law on turnover tax): DE 262 955 035

Supervisory Bodies

The proper controlling institution for German Patent Attorneys is:

Tal 29
80331 München

Tel.: +49 89 24 22 78 0
Fax : +49 89 24 22 78 24


The proper controlling institution for European Patent Attorneys (professional representatives before the European Patent Office) is:

epi (European Patent Institute)
Bayerstr. 83
80335 München

Tel: +49 89 24 20 52 0
Fax: +49 89 24 20 52 20


The proper controlling institution for European Trademark and Design Attorneys (professional representatives before the European Union Intellectual Property Office) is:

Amt der Europäischen Union für geistiges Eigentum (EUIPO)
Avenida de Europa, 4
03008 Alicante


Job title and labor regulations

The job title “Patentanwalt” (“Patent Attorney”) is granted by the Federal Republic of Germany.

The job title “European Patent Attorney” is granted by the European Patent Office.

Legitimation to use the job titles European Trademark Attorney and European Design Attorney is attained through registration in the list of professional representatives at the European Union Intellectual Property Office pursuant to Art. 120 of the Regulation (EU) 2017/1001 of the European Parliament and of the Council of June 14, 2017 on the European Union trade mark. Authority of grant of this job title remains at the European Union.

The relevant labor regulations for the German and European Patent Attorneys of our firm are:

  • Patent Attorneys Ordinance, Act of September 7, 1966 (BGBl. I S. 557), last amended via Article 16 of the Code of December 12, 2019 (BGBl. I S. 2602)
  • Professional Code of Conduct of Patent Attorneys of March 1, 2014 (Mitt. dt. Patentanwälte 2014, S. 53 ff.)
  • FICPI regulations
  • Code of Conduct of the Institute of Professional Representatives before the European Patent Office (epi-Information 2/2001, S. 75),

Our lawyers are licensed under German law and are members of the Bar Association for the Munich Higher Regional Court (Oberlandesgericht München), Tal 33, 80331 München, Tel. +49 89 53 29 44-0.

For lawyers, the professional regulations of the Federal Lawyers’ Act (BRAO), the Professional Code (BORA), the Specialist Lawyers Act (FAO), the Law on the Remuneration of Lawyers (RVG), the Professional Rules for Lawyers in the European Community (CCBE) and the law on the activities of European lawyers in Germany (EuRAG) apply.

These regulations are accessible on the website of the Federal Bar Association (subpage Professional Law) at

Liability informationen

Information on professional liability insurance

Zurich Insurance plc NfD
53287 Bonn

Area of application: Germany

Extra-judicial arbitration services

In the event of disputes between patent attorneys or legal attorneys and their clients, there is the option to settle the matter extra-judicially at the regional patent attorney resp- legal attorney societies (under Section 69 (2) No. 3 of the Federal Regulations for Patent Attorneys, PAO, resp. Section 73 (2) No. 3 in combination with Section 73 (5) of the Federal Regulations for Attorneys, BRAO) or at the arbitration body of the Bundesrechtsanwaltskammer (German Law Society) (Section 191f BRAO), which can be found on the Internet at the website of the German Law Society (, e-mail: ). We are not obliged and generally not willing to participate in dispute resolution proceedings before an arbitration board of the legal profession.

Consumer dispute resolution (ODR-Platform)

The European Online Dispute Resolution Platform can be found under
Consumers have the possibility to use this platform for the settlement of their disputes arising from online contracts (goods or services). We are not obliged and generally not willing to participate in dispute resolution proceedings before a consumer arbitration board. Our e-mail-address is .

Liability for content

According to § 7 par. 1 TMG, we are responsible as a service provider for our own contents of this website. According to §§ 8 to 10 TMG, however, we as a service provider are neither obligated to monitor external information for illicit content nor to search for circumstances that indicate such illicit content.

Obligations to remove or block the use of information in accordance with general law remain unaffected. However, liabilities in this regard can only arise once a specific illicit content has been noticed. The respective contents of any such illicit content will be removed as soon as they are noticed.

Liability for links

Our offers can contain links to other parties’ external websites on whose contents we have no influence. Therefore, we do not provide safeguard for those contents. Rather, the providers of websites linked are solely responsible for their website’s content. The linked sites have been checked for illicit content upon linking. At that time, no such content was observed.

A permanent control of the linked sites without any indication for illicit content is not reasonable. Upon notice of any violation, the respective link will be removed.


Contents and compilations published on these websites by the providers are subject to German copyright laws. Reproducing, editing, distributing as well as the using these contents in any kind outside the scope of the copyright law require a written permission of the author or originator. Downloads and copies of these websites are permitted for private use only.

The commercial use of our contents without permission of the originator is prohibited.

Copyright laws of third parties are respected as long as the contents on these websites do not originate from the provider. Contributions of third parties on this site are indicated as such. However, if you notice any violations of copyright law, please inform us. Such contents will be removed immediately.

Image sources

All photos and graphics were created or commissioned by Patentanwälte Olbricht Buchhold Keulertz Partnerschaft mbB. This does not apply to images that can be used under a free commercial license:

The images are used under a free license to the best of our knowledge. If you are of the opinion that your image rights have been infringed, please contact us at .