Photograph of Jon Del Barrio

Jon Del Barrio

Discovery Attorney

Jon Del Barrio is a discovery attorney in the firm’s E-Discovery & Information Management Group.

Jon focuses on discovery issues for complex state and federal litigation and government regulatory investigations, including matters before the Department of Justice and Federal Trade Commission. Jon has developed significant experience in all phases of e-discovery, and has experience in data retention, preservation, collection, review, and production. Jon also works in tandem with the Practice Technology Group and third-party e-discovery vendors to leverage technology to streamline and optimize discovery for clients.

Jon has been involved in the discovery phase of a broad range of civil litigation and government investigation matters, including those involving product liability, intellectual property, and antitrust issues.

Prior to joining the firm, Jon was an attorney at Quinn, Emanuel, Urquhart & Sullivan focusing on e-discovery issues, including extensive work on depositions and motions practice. Jon also previously held in-house corporate management positions, where he was responsible for managing both domestic and international litigation.


  • University of California, Berkeley, B.A.
  • University of San Francisco School of Law, J.D.


Admitted to practice: California, U.S. Supreme Court

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"Federal court issues epic opinion sanctioning counsel for failure to show competence and diligence in meeting ESI discovery obligations.," Crowell & Moring’s Data Law Insights (March 25, 2021). Authors: Jon Del Barrio and John E. Davis.

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Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

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