Douglas S. Tilley

Doug represents plaintiffs and defendants in high-stakes commercial disputes, with a focus on trade secret and employee mobility, contract, fraud, and copyright matters, as well as SEC, US Attorney, and internal company investigations.  Doug examines fact and expert witnesses in deposition and at trial, wins motions across the country, spearheads offensive and defensive discovery campaigns, and distills complex technical subject matter into compelling and accessible presentations.  Doug also helps clients proactively minimize risk by advising on corporate governance, regulatory interpretation, and intellectual property and employment issues.

Having previously served as in-house head of litigation, regulatory, and government relation at a Silicon Valley company, Doug understands firsthand his clients’ experiences, priorities, and perspectives.  He prides himself on executing targeted, efficient litigation strategies that consistently generate superior results without breaking budgets or undermining business goals. 


  • J.D., Harvard Law School (2009)
  • B.S., Finance (summa cum laude), Fordham University (2005)

Prior Associations

  • Zenefits
  • Quinn Emanuel Urquhart & Sullivan LLP
  • Harvard Legal Aid Bureau
  • United States Department of Justice

Bar Admissions

  • State Bar: California
  • Northern District of California
  • Central District of California
  • Eastern District of Texas

Some of Doug's notable matters include:

  • GPI360 v. Vigilant Solutions (L.A. Superior) – obtained dismissal with prejudice of GPI’s claims and secured a perpetual, worldwide ban against GPI’s use of Vigilant intellectual property, backed up by a $500,000 consent judgment against GPI and related entities.
  • Heredia v. Intuitive Surgical, Inc. (N.D. Cal.) – secured a complete defense judgment on multi-million dollar claims for fraud, conversion, and breach of contract.
  • Ryan Brewer v. Veritas Investments, Inc. (S.F. Superior) – on behalf of an individual and his new venture, prevailed in trade secrets declaratory judgment action against client’s prior employer.
  • Zendesk v. Zenefits (T.T.A.B.) – defending against effort by Zendesk to block U.S. P.T.O. application to register “Zenefits” as a federal trademark.
  • Perfect 10 v. Yandex (N.D. Cal.) – defended search engine against claims of tens of thousands of instances of direct and secondary copyright infringement.  Nearly all of plaintiff’s claims were rejected on summary judgment, and case settled shortly thereafter on favorable terms.
  • San Fernando Hospital v. Intuitive Surgical, Inc. and Gardens Reg’l Med. Ctr. V. Intuitive Surgical, Inc. (L.A. Superior) – defeated related multi-million dollar actions alleging fraud and breach of contract.
  • United States v. Johnson & Johnson, et al.  (N.D. Cal.) – defended J&J and an operating subsidiary against billion-dollar claims of off-label pharmaceutical promotion.  Case resolved for a fraction of government’s demand.