Dr Detlef Mäder

Dr Detlef Mäder

Dr Detlef Mäder

T +49 221 9937 25711

T +49 211 5660 0

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
  • Best Lawyers (2023): Award in "Intellectual Property Law"
  • The Legal 500 Germany (2022): Recommended in Trade Marks and Unfair Competition
  • WTR 1000 (2022): Ranked in "Trade Marks" (Bronze Ranking) 
  • JUVE Guide (2021/2022): Mentioned among frequently recommended in "Trademark and Competition Law" ("responsive, competent and efficient")
  • Best Lawyers (2022): Award in "Intellectual Property Law"
  • WTR 1000 (2021): Ranked in "Trade Marks" (Bronze Ranking) ("Detlef is the perfect choice for companies which are entrepreneurial and business driven. His track record is spotless.")
  • The Legal 500 Germany (2021): Mention in trademark law and competition law
  • JUVE Guide (2020/2021): Mentioned among frequently recommended in "Trademark and Competition Law" ("very competent in IP, excellent feeling for our business needs", client)
  • Best Lawyers (2021): Award in "Intellectual Property Law"
  • The Legal 500 Germany (2020): Mentioned in Intellectual Property - Trademark Law and Competition Law ("Equally high professional competence and high commitment. But also very solution and practice-oriented. Never lose sight of the commercial aspects")
  • Best Lawyers (2020): Award in "Intellectual Property Law"
  • JUVE Guide (2019/2020): frequently recommended in "Trademark and Competition Law" ("tough but always fair opponent", competitor)
  • The Legal 500 Germany (2019): Listed in "Gewerblicher Rechtsschutz - Marken- und Wettbewerbsrecht" (Intellectual Property - Trademark and Competition Law)
  • JUVE Guide (2018/2019): Mention under frequently recommended in the category "Trademark and competition law"
  • The Legal 500 (2018): Recommendation in the category "Intellectual Property, Trademark and Competition Law"
  • Chambers Global (2015-2016): Listed under "Intellectual Property" - Trademark & Unfair Competition
  • The Legal 500 (2016): Germany: Ranking in the category "Intellectual Property"
  • JUVE Guide (since 2011/2012): Ranking in the category "trademark and registered design law" as one of the most frequently recommended lawyers ("very properly").
  • Chambers Europe (2012-2015): Ranking in  the category "Intellectual Property: Trade Mark & Unfair Competition".

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.