Practice Areas


  • University of California, Irvine School of Law, J.D., magna cum laude

  • University of Bristol, B.S., Politics

State Bar Admissions

  • California

Jack Day

t:  310.556.7866
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Jack Day is a litigation associate who focuses his practice on complex litigation and high-stakes investigations. Jack represents clients across a wide range of industries, including finance, emerging technology, healthcare, and education. He has significant experience counseling companies and individuals through government investigations and related civil litigation. Jack is also committed to pro bono advocacy and has authored numerous successful briefs in state and federal courts of appeal.

Prior to joining Glaser Weil, Jack was a litigation associate at an Am Law 100 firm.

Jack graduated magna cum laude from the University of California, Irvine School of Law. While in law school, he won UCI Law’s Moot Court competition and was awarded runner-up best brief. He also successfully briefed and argued an appeal in the Ninth Circuit.

  • University of California, Irvine School of Law, J.D., magna cum laude

  • University of Bristol, B.S., Politics

  • California

  • Defended one of the nation’s largest managed care organizations in qui tam actions asserting claims under the False Claims Act.*

  • Counseled the chief executive officer of a public company through an investigation conducted by the U.S. Securities and Exchange Commission related to financial reporting.*

  • Defended the former director of a global consumer products company in multidistrict litigation involving complex issues of international law.*

  • Provided ongoing regulatory advice to an electric transportation company and obtained a favorable settlement agreement for the company in a related lawsuit against a major city.*

  • Conducted an internal investigation related to the admission practices of an elite academic institution on behalf of a special committee of the school’s board.*

  • Secured a complete judgment on the pleadings on behalf of a fast food corporation in a false advertising lawsuit alleging that advertisements were misleading to consumers.*

  • Represented a major medical device company in litigation brought by the California attorney general alleging violations of consumer protection laws.*

  • Obtained reversal of a trial court ruling in a California taxpayer action alleging violations of certain constitutional rights.*

  • *Denotes prior firm experience.

  • Co-author, “Strengthening the Human Right to Food,” 7 U.C. Irvine L. Rev. 2 (2017)