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Christopher  J. Sorenson photo

1) Representation of Generic Pharmaceutical Clients in Hatch-Waxman PIV Litigations

PERNIX IRELAND PAIN LTD. and PERNIX THERAPEUTICS, LLC v. ACTAVIS LABORATORIES FL, INC. – District Court – Delaware – 1:16-cv-00138 (challenging formulation patents on Hydrocodone Bitartrate)

BAYER INTELLECTUAL PROPERTY GMBH, ET AL. v. BRECKENRIDGE PHARMACEUTICAL, INC., ET AL. – District Court – Delaware – 1:15-cv-00902 (challenging compound patents on Rivaroxaban)

FERRING B.V., ET AL v. ...

  • William Mitchell College of Law, J.D., 1996,

    cum laude

  • Macalester College, B.A. Literature, 1993
  • Continuing Education: National Institution of Trial Advocacy,

    (advanced trial skills courses, 1997, 2003)

  • Minnesota State Bar
  • Minnesota Federal Bar
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. Court of Appeals for the Seventh Circuit
  • U.S. Court of Appeals for the Federal Circuit
  • Eastern District of Texas
  • Northern District of Illinois
  • District of Colorado
  • District of Nebraska

American Bar Association
American Intellectual Property Law Association

Selected as one of Minnesota’s Top Attorneys 2018 by American Registry
Selected for inclusion in The Best Lawyers in America© for Litigation – Patent, 2018-2023
Selected for inclusion in Minnesota SuperLawyers, 2004-2006, 2008-2010

Best Lawyers in America, 2013-2024 by The Best Lawyers in America


Speaker, IP Is Everywhere: Lunchtime Learning Series, Mitchell Hamline School of Law Intellectual Property Institute, Aug. 24, 2017

Board of Directors, Northfield Hockey Association, 2011-present
Board of Directors, Northfield Area Family YMCA, 2007-2010
Leadership Impacting the Non-Profit Community program, 2007