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Dr. Christian Köster

Patent Attorney (Patentanwalt; DE)

European Patent Attorney

Dr. Christian Köster studied Chemistry at the University of Münster. Aside his academic education he trained Shaolin Kempo (black belt), Shaolin Temple Boxing and Contemporary Wushu.

During his studies, Dr. Köster enjoyed a research interim at the University of Edinburgh and a further research interim at the University of California at Berkeley.

After his diploma studies he worked on his Ph.D. thesis focusing on solid state chemistry. Dr. Köster graduated from University in 2002 ("Dr. rer. nat.") and started his IP career. He became a European Patent Attorney in 2006 and a German Patent Attorney in 2008.

Dr. Köster was trained in a large IP law firm with a focus on non-contentious matters and thereafter joined a boutique IP law firm mostly handling contentious patent matters. 

Dr. Köster joined Dennemeyer & Associates in 2012.

Dr. Christian Köster speaks English, German and has been active in the field of IP since 2002.

Area of expertise: Chemistry, Life Sciences, Pharmaceuticals, Patents, Litigation

Qualifications & Authorizations

  • German Patent Attorney
  • European Patent Attorney
  • Professional Representative at EUIPO
  • Master of Laws (LL.M.) 
  • CEIPI Patent Litigation Diploma (D.U.)
  • Diploma in Chemistry 
  • Ph.D. in Chemistry

Awards & memberships

  • Current Chairman of EPLIT's working group Education & Training
  • Member of EPLIT, FICPI, VPP, GRUR, DJJV and DCJV
  • Attendee of Chinese language courses

Selected publications

  • Christian Köster, A Micro-Comparison of Patent Law, Zeitschrift für Chinesisches Recht, 4/2011, 255-265
  • Christian Köster, Article 123(2) EPC, Recent Case Law and a Chessboard, epi Information, 3/2012, 71-77
  • Christian Köster, Oppositions against European patents: Three successful examples of oppositions lodged by Indian opponents, Journal of Intellectual Property Rights, Vol. 19, March 2014, 97-103