Dr. Daniel Tietjen

Salary partner

Daniel specialises in advising and representing national and international clients in the life sciences sector. His focus is, among others, on all areas of pharmaceutical law, medical device law, pharmaceutical-advertising law, unfair competition law, and trademark law.


For more than 10 years, he has been coordinating and supervising disputes concerning competition law and trademark law for his clients and has, besides his specific focus on litigation, also longstanding experience in advising clients on regulatory and compliance matters, particularly, in the aforementioned areas of law, which is advantageous for conducting transactions. In context with managing litigation and advising his clients, Daniel is characterised by a strong client focus and his ability to find appropriate and efficient solutions to legal problems.

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Latest news & insights

Life sciences & healthcare

Special approvals of the Federal Institute for Drugs and Medical Devices for the distribution of medical devices and FFP breathing masks without an expiration valve

8 April 2020

by Dr. Daniel Tietjen

Click here to find out more
Disputes & investigations

Disputes Quick Read: The importance of proper service

26 May 2020

by Andrew Howell and Edward Spencer

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COVID-19 postponement of MDR implementation date – how does this fit with Brexit?

26 May 2020

by Adrian Toutoungi

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Consumer & retail

Consumer and Retail in the News - issue 364

22 May 2020

by multiple authors

Click here to find out more

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