Mark L. Hejinian


Mark Hejinian focuses his practice on commercial litigation matters, ranging from consumer class action defense to regional business disputes. He counsels clients in various businesses, including in the telecom, pharmaceutical, and insurance industries. He also represents clients in white collar criminal investigations, and is a member of the firm's White Collar Defense and Government Enforcement group.

Mark is active in the firm’s pro bono efforts and a member of the firm’s Pro Bono Committee. He was awarded the Outstanding Volunteer in Public Service Award (2014, 2013) by the San Francisco Bar Association Volunteer Legal Services Program, and received the Wiley W. Manuel Pro Bono Services award for public service in 2014.

Prior to joining the firm, he clerked for the Honorable Jan E. DuBois of the U.S. District Court for the Eastern District of Pennsylvania. Mark also clerked for the Honorable Judith Bartnoff of the Superior Court of the District of Columbia. Before attending law school, Mark was a U.S. Peace Corps volunteer in Guyana, South America.

Representative Matters

  • Represented a large telecom provider in a two week trial in federal court in Houston, Texas involving complex insurance coverage and legal malpractice issues, obtaining a $34 million verdict in favor of the client.
  • Represented an insurance company in a dispute with the California Controller involving multiple cases in state and federal court, including before the Ninth Circuit, obtaining a favorable global settlement for the client.
  • Represented a produce distribution business in a breach of contract dispute against the prior owner, obtaining a favorable settlement at mediation prior to trial.
  • Represents a former technology executive charged with insider trading.
  • Represents a national non-profit in an ongoing dispute regarding conservation agricultural easements and property development.


Professional Activities

Mark is a member of the State Bar of California.


Mark earned his J.D., magna cum laude, from Georgetown University Law Center. He received his B.A., cum laude, from the University of Puget Sound in Tacoma, Washington.  While in law school, Mark interned in the Human Rights and Special Prosecution Section of the U.S. Department of Justice.