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You are on the website of:
Lang & Tomerius Patentanwaltspartnerschaft mbB (limited liability partnership)

The partnership is registered in the partnership register at the Munich District Court under number PR 1363.

Dr. Isabel Tomerius – Patent Attorney (DE), European Patent Attorney, European Trademark and Design Attorney
Dr. Philipp Heidler – Patent Attorney (DE), European Patent Attorney, European Trademark and Design Attorney

Rosa-Bavarese-Str. 5
D-80639 Munich
Tel .: +49 (89) 54369960
Fax: +49 (89) 54369970

E-mail address:

Company domicile: Munich
VAT ID No .: DE813596187

At R + V Allgemeine Versicherung AG, Raiffeisenplatz 1, 65189 Wiesbaden, the partnership maintains a financial loss liability insurance with worldwide validity for the patent attorneys and lawyers working for it. The insurance coverage meets at least the requirements of §§ 45, 45a Patent Attorneys’ Act (PAO) and, respectively, §§ 51, 51a Federal Lawyers’ Act (BRAO).

In the event of disputes between lawyers and their clients, there is the option of out-of-court dispute resolution at the regional bar associations (pursuant to § 73 (2) No. 3 in conjunction with § 73 (5) BRAO) or at the arbitration board of the Federal Chamber of Lawyers (pursuant to § 191 f. BRAO), Rauchstrasse 26, 10787 Berlin, to be found on the Internet at https://www.schlichtungsstelle-der-rechtsanwaltschaft.de/, email: schlichtungsstelle@s-d-r.org.

In the event of disputes between patent attorneys and their clients, there is the option of out-of-court dispute resolution at the Federal Chamber of Patent Attorneys (in accordance with § 69 Para. 2 No. 3 PAO), www.patentanwalt.de

The European Commission provides a platform at https://ec.europa.eu/consumers/odr for online dispute resolution on contractual obligations arising from online service contracts.

Lang & Tomerius Patentanwaltspartnerschaft mbB, as a content provider according to § 5 German Telemedia Act, is responsible for its “own content”, which it makes available for use. Although all content is carefully checked and constantly updated, we cannot guarantee that it is complete, correct and up to date. The law firm Lang & Tomerius is therefore not liable for any damage arising in connection with the use of this content. The information on this webpage is not legal advice that is suitable or sufficient to assess an individual case. The presentation of this information does not establish a client relationship.

Since we have no influence on the design and content of the linked pages, we expressly distance ourselves from these pages and content. This declaration applies to all links on our website.

All rights to this website and the content contained therein lie with the authors.

All persons named on this website hereby object to any commercial use and disclosure of their data (§ 28 Federal Data Protection Act).

The supervisory authorities responsible for the German patent attorneys and European Patent, Trademark and Design Attorneys are:

Federal Chamber of Patent Attorney (Patentanwaltskammer)
Tal 29
D-80331 Munich
Tel .: +49 (89) 2422780
Fax: +49 (89) 24227824


Institute of Professional Representatives before the European Patent Office
Tal 29
D-80331 Munich
Box 26 01 12
D-80058 Munich
Tel .: +49 (89) 2017080
Fax: +49 (89) 2021548

The legal professional title “Patent Attorney” (“Patentanwalt”/”Patentanwältin”) was granted by the Federal Republic of Germany, that of the “Professional Representative before the European Patent Office” (“European Patent Attorney”) by the European Patent Office.

The legitimacy to use the professional titles of European Trademark Attorney and European Design Attorney is confirmed by entry in the list of professional representatives before the European Union Intellectual Property Office in accordance with Article 89 of Council Regulation (EC) No. 40/94 of 20 December 1993 on the Community trade mark and Article 78 of Council Regulation (EC) No 6/2002 of 12 December 2001 on the Community design.

The lawyers of the law firm are admitted according to the law of the Federal Republic of Germany and are members of the Bar Association for the Higher Regional Court District of Munich, Tal 33, 80336 Munich, Tel .: +49 (0) 89-532 944 0; Fax: +49 (0) 89-532 944 28.

The following professional regulations apply to the lawyers:

  • Federal Lawyers’ Act (BRAO)
  • Professional Code of Conduct (BORA)
  • Specialist Lawyers’ Code of Conduct (FAO)
  • Lawyers’ Remuneration Act (RVG)
  • Code of Conduct for Lawyers in the European Union (CCBE)

The professional regulations can be viewed and retrieved in German and English on the homepage of the Federal Bar Association (www.brak.de) under the heading “Professional Law”.

The relevant professional regulations for the patent attorneys and European Patent Attorneys of our office are: