The Intellectual Property Law Firm BACH is residing in Cologne, Germany. A branch of our office is located in Bruchsal, Germany.

The information for contacting Patent Attorneys BACH can be found under the link: CONTACT BACH FIX | IP

Responsible in the sense of the TMG (§ 5) is Patent Attorney Alexander M. BACH, Wüllnerstraße 117, D-50931 Cologne, Germany

The sales tax identification number of the office is DE 173 900 274

This Web-Site is provided solely under the jurisdiction of Germany.



Patent Attorney Dipl.-Phys. Alexander M. BACH is admitted to the bar at

German Patent and Trademark Office and the Federal Patent Court
by the President of the German Patent and Trade Mark Office

Office of the European Union for Intellectual Property (EUIPO)
(until 23 March 2016: Office for Harmonisation in the Internal Market (Trade Marks and Designs))
in Alicante, Spain by the President of EUIPO

Office of the World Intellectual Property Organization (WIPO)



Patent Attorneys Association, FICPI; VPP, GRUR, VDI, German Physical Society.


Information on professional liability insurance

The professional liability insurance exists with

Zurich Insurance plc NfD, 53287 Bonn, Germany, telephone: 01802 025050, fax: 01802 02505059,
E-mail: Insurance service ; Web: Zurich Insurance plc NfD

The geographical scope of the insurance cover includes activities worldwide and thus exceeds the requirements of the Patentanwaltsordnung (§ 45 (1) PatAnwO)



Patent Attorney Dipl.-Phys. Alexander M. BACH is a member of the Patentanwaltskammer.

Patentanwaltskammer, Tal 29, 80331 Munich,Germany,Telephone: 089 242278-0, Fax: 089 242278-24,
E-mail: Patentanwaltskammer; Web: Patentanwaltskammer Germany

The professional rules are laid down in the Patent Attorney Code and the Professional Code of Conduct for Patent Attorneys. These applicable laws and regulations can be obtained from the Patentanwaltskammer.
In addition, the FICPI Code of Conduct applies, which can be obtained from the homepage of the association Web: ficpi.



In case of disputes you can turn to the following arbitration boards of the Patent Attorneys Association:

The arbitration board for patent attorneys is the Patentanwaltskammer Deutschland


This English Translation is counterchecked with (free version)







The pages presented under this domain are subject to copyright according to national and international regulations. The use of these pages or parts thereof in the sense of copyright law is subject to approval.

The downloading and temporary storage of one or more of these pages is permitted for the purpose of viewing on a computer or monitor. Duplication, permanent storage or forwarding of the contents of these web pages is prohibited without the express prior written consent of Patent Attorney BACH.

© 1996 - 2020 by Patentanwalt BACH - all rights reserved







This website uses procedures to determine the private data of visitors, which are stored anonymously as statistics on the server pages. These data are logged in the usual way.

When this data is stored, the server logs the time and manner of access to this website. This data is used by Patentanwaltskanzlei Bach exclusively for statistical purposes.

During the storage of basically any data, including in this case, it cannot be excluded that these data may be accessed, for example by the authorities by law or by court order. This can be caused without the responsibility or influence of Patentanwaltskanzlei Bach. By using these web pages, you implicitly agree that Patentanwaltskanzlei BACH is entitled to store data in the aforementioned manner and to use it for its own purposes.









In case of communication by e-mail to our e-mail address published here:

We would like to point out that communication via email can be stopped and viewed by experienced internet users. Our patent law firm is committed to providing you with secure methods to prevent this, also on the Internet.

We offer you the option of sending all confidential e-mails to us with attachments using PGP encryption. We will send you our public PGP key on request. Please contact our office service for this.

If you communicate with us by unencrypted e-mail, we assume that we are entitled to reply by e-mail in the appropriate manner, i.e. unencrypted, until we receive your public PGP key from you. Otherwise we must explicitly refer you to another form of communication.




The contents of this website reflect general information and do not constitute legal advice in the sense of the German Legal Advice Act. Despite updating and careful control of the contents of the homepage, we do not assume any liability for the topicality, correctness, completeness or quality of the information provided. We are not liable for material or non-material damages caused by the use or non-use of the information provided or by the use of incorrect or incomplete information. The same applies to the contents of external websites which refer to our internet presence or are connected to it, and vice versa.

We are in no case liable for the loss of emails sent to us or for the fact that they are not answered. In urgent cases, we ask you to contact us by fax or telephone.