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David Denuyl
David Denuyl
San Francisco +1 415 591 7033 Download V-card

David Denuyl is a patent litigator who focuses his practice primarily on pharmaceutical patents and Hatch-Waxman litigation. As a former engineer for Procter & Gamble and Teva Pharmaceuticals, Mr. Denuyl brings his technical experience in the consumer healthcare and pharmaceutical industries to his legal representation.

  • Representation of a major pharmaceutical company in Hatch-Waxman litigation in the Eastern District of Texas relating to an oral gastrointestinal drug.
  • Representation of a pioneer pharmaceutical company in Hatch-Waxman litigation in the District of Delaware relating to a topical dermatology drug.
  • Representation of a major pharmaceutical company in an appeal in the Federal Circuit from a Hatch-Waxman suit involving an oral neurological drug.
  • Representation of a patent owner before the Patent Trial and Appeal Board (PTAB) in an Inter Partes Review proceeding involving a patent asserted in parallel Hatch-Waxman suits.

Pro Bono

  • Successfully represented a petitioner in California Superior Court seeking appointment as Conservator of the Person of an adult relative with a traumatic brain injury.

Previous Experience

  • Teva Pharmaceuticals, Manufacturing Manager (2011-2012)
  • Procter & Gamble, Process Engineer, Operations Manager (2007-2011)