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John Sebastinelli is a highly sought-after attorney in the insurance regulatory arena, with more than 30 years of experience, handling matters in almost every aspect of the insurance sector. John focuses his practice on California insurance regulatory law matters, counseling property/casualty and life/health insurers and other insurance-related organizations on a vast array of regulatory, transactional and compliance issues including licensing, mergers and acquisitions, retail and surplus line brokerages, and insurance company and reinsurance transactions.


  • Health, disability and life policy filings
  • Property and casualty insurance rate and form filings
  • Risk retention and purchasing group registrations
  • Surplus line insurance companies policy development and filings
  • Market conduct and claims examinations
  • Special Investigative Units (SUI) and Proposition 103 compliance
  • Reinsurance
  • Purchase and sale of product lines
  • Holding company filings
  • Compliance with Departments of Insurance


Recognition & Leadership

  • Team Member, Best Lawyers in America® "Top Listed – Government Relations," 2018
  • Member, American Bar Association
  • Member, California State Bar Association
  • Member, San Francisco Bar Association
  • Member, Association of California Insurance Companies
  • Member, Association of Insurance Compliance Professionals
  • Member, Federation of Regulatory Counsel
  • Member, National Association of Professional Surplus Lines Offices, Ltd.
  • Member, Board of Education, Archdiocese of San Francisco
  • Chair, Fairmont Homeowners’ Association


  • J.D., University of San Francisco School of Law
  • M.B.A., University of San Francisco
  • B.S., Business Administration, University of San Francisco
  • California
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. District Court for the Northern District of California
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Eastern District of California
  • U.S. District Court for the Southern District of California
  • Supreme Court of the United States