Gregory M. Sergi is an experienced litigator whose practice focuses on complex civil litigation in federal and state courts. He was named by Southern California Super Lawyers as a “Rising Star” in antitrust litigation for each year from 2014 to 2018. Greg has litigated cases in trial and appellate courts across the country. He has handled a wide variety of matters, including cases involving antitrust, class action, constitutional, consumer protection, contract, legal malpractice, tort, trademark, trusts-and-estates, and unfair competition issues. He has won dismissal of claims in antitrust, securities, and trusts-and-estates cases. He has successfully defeated motions for class certification. He has successfully brought and defended against motions to exclude expert testimony. And he has prevailed in preliminary injunction proceedings.
Greg’s clients have included companies in the aviation, entertainment, financial services, legal, online retail, pharmaceutical, and shipping industries.
Most recently, Greg was part of Keller/Anderle’s team representing CashCall, Inc. in a landmark legal malpractice case (seeking nearly $1 billion in damages ) against a major international law firm. The case settled on the eve of trial after CashCall successfully defeated defendants’ motions to exclude CashCall’s damages expert, to apply judicial estoppel, and for a choice-of-law determination.
Greg received his J.D. and LLM in International and Comparative Law from Duke University School of Law, where he graduated magna cum laude and Order of the Coif. During law school, he was an articles editor for the journal Law and Contemporary Problems. He received his BA in economics from Northwestern University.
Following law school, Greg was a law clerk for the Honorable D. Brock Hornby of the United States District Court for the District of Maine and for the Honorable Pamela A. Rymer of the United States Court of Appeals for the Ninth Circuit. Before joining Keller Anderle in 2019, Mr. Sergi was an attorney with Munger, Tolles & Olson in Los Angeles and with Cleary Gottlieb in Washington, D.C.