Chris Tunstall

As a partner within the Engineering and Tech practice group, Chris handles a diverse portfolio of technologies in the physical sciences, working with medical device businesses, OEMs in the automotive sector and IT and telecommunications service providers. Chris’ experience in both strategic patent prosecution and opposition and appeal proceedings at the European Patent Office (EPO), has led to long-standing relations with international clients, most notably Johnson & Johnson.

Chris works closely with clients to provide strategic advice about their most important patent portfolios. He is lead counsel for Micron Technology, Inc., one of the world’s leading providers of advanced semiconductor solutions. Chris has successfully worked on cases to revoke and declare ‘not-infringed’, a series of European patents held by Rambus Incorporated. These cases have provided valuable insights into a series of complex legal issues concerning the extent to which applicants for European patents can redefine the inventions for which they are seeking protection; subsequently, they have been used as a teaching resource by the EPO itself.

Chris was also a key figure in helping to frame the terms of the Patent Reform Bill which was presented to the US Congress in June 2005. As a qualified litigator and having litigated patents in all English courts, including the House of Lords, as well as in France, Germany and Italy, Chris is frequently involved in the Bill, most notably providing advice, providing a European perspective.

During his professional career has spent time serving on the Executive Committee of a major international law firm. He was a scholar of St. Peter’s College, University of Oxford, graduating with a first class degree in physics.

  • BA (Hons) Physics (University of Oxford)
  • Chartered Patent Attorney
  • European Patent Attorney