Dr Detlef Mäder

Dr Detlef Mäder

Dr Detlef Mäder

T +49 221 9937 25711


Partner , Location Head
Industries Information Tech & Telecommunications

Areas of practice

Dr Detlef Mäder specialises in competition and trademark law as well as in the other related areas of intellectual property rights (i.e. design rights, rights against product piracy) and telecommunications law. Dr Detlef Mäder has comprehensive litigation experience throughout Germany in patent, trademark, unfair competition and copyright disputes. He also advises his clients on contractual drafting issues such as licence matters.


Dr Detlef Mäder studied law in Freiburg, Germany, from 1989 to 1994 and completed his first bar examination in 1994. He worked as a research assistant at the Max Planck Institute in Foreign and International Criminal Law in Freiburg and at the University of Cologne from 1994 to 1996. During this time, he completed his dissertation and was awarded his doctor's degree (Dr. jur). from the University of Freiburg in 1996. He was admitted to the bar in 1998 and joined Luther’s predecessor law firm in 1996. Dr Detlef Mäder has been a Partner at Luther since 2005 and is head of Cologne office since 1 June 2014.

Honors and distinctions
  • Chambers Global 2016: Ranking in "Intellectual-Property - Trade Mark & Unfair Competition" (Band 5, first ranking in 2012)
  • Chambers Europe 2016: Ranking in "Intellectual-Property - Trade Mark & Unfair Competition" (Band 5, first ranking in 2012)
  • JUVE Guide 2022/2023: Listed under "Frequently Recommended" in "Trademark and Competition Law" (first listed in 2011/2012), ("Top support in trademark law and cooperation agreements", client)
  • The Legal 500 Germany 2023: Recommended in "Competition Law", "Trademark Law" (first listed in 2014, "Equally high professional competence and high commitment. But also very solution- and practice-oriented. Never loses sight of the commercial side.") and in "City Focus Cologne" 
  • Best Lawyers 2024: Recommended in "Intellectual Property Law" (first recommended in 2020)
  • World Trade Mark Review 2023: Bronze-Ranking in "Trade Marks" (first bronze-ranking in 2021, "Detlef is one of the best IP lawyers in Germany and an excellent strategic coordinator in cross-border matters. He is highly skilled, commercially focused and pragmatic. Detlef's arguments are always well thought out and he is a pleasure to work with.")

Dr. Detlef Mäder advises numerous nationally active companies - especially those in retail, prestigious marketing agencies, and their customers - in issues regarding the configuration and protection of marketing measures as well as in disputes over intellectual property rights. Dr. Mäder also provides assistance to national and international clients with their demands for trademark and design rights or their defense thereof. He also helps to maintain and care for major trademark portfolios worldwide.