E. Blum & Co. AG
Patent and Trademark Attorneys 
Hofwiesenstrasse 349 
CH-8050 Zurich

Tel. +41 43 222 56 00
Fax +41 43 222 56 01


UID: CHE-107.825.798

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The information on these pages may be incomplete, is based on simplifications, and cannot replace professional advice. The authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information.

The law and practice in intellectual property are highly complex, differ from country to country, and are evolving continuously. We therefore recommend to obtain professional legal advice tailored to your specific needs.

All offers are non-binding. The author expressly reserves the right to change, supplement or delete parts of the pages or the entire offer without separate announcement or to cease publication temporarily or permanently.

Liability for links

References and links to third-party websites are outside our area of responsibility. We decline all responsibility for such websites. Access to and use of such websites is at the user’s own risk.

Electronic communication

Please note that a message sent by e-mail or web form can be accessed by third parties while being transmitted. We therefore advise against the transmission of unencrypted confidential information by such means.

In addition, the sender of an electronic message is not guaranteed to be alerted automatically if the message cannot be delivered properly. We therefore recommend to confirm proper receipt of the message with the recipient in case of critical and important information.