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Carpmaels & Ransford
Chris Tunstall

Biography

Chris Tunstall
Partner

B.A. (Hons.) (Physics), Chartered Patent Attorney, European Patent Attorney, Patent Attorney Litigator.

Chris handles a diverse portfolio of technologies in the physical sciences. Having been cited in both the Legal 500 and the Guide to the World’s Leading Experts in Patent Law, Chris is frequently engaged by international clients seeking doggedness, experience and, above all, results, in strategic patent prosecution and opposition and appeal proceedings in the European Patent Office.

Chris is lead counsel for Micron Technology, Inc., one of the world's leading providers of advanced semiconductor solutions, in its successful bid to revoke or declare not infringed a series of European patents held by Rambus, Inc., that were intended to cover standards-compliant SDRAM and DDR-SDRAM, the market in which is worth billions. These paradigm 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, and have been used as a teaching resource by the European Patent Office itself.

Chris advised from a European perspective on, and helped frame the terms of, the Patent Reform Bill that was presented to the US Congress in June 2005. Chris handles the interests of a number of international players including medical device businesses, OEMs in the automotive sector and IT and telecommunications service providers.

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