Catherine M. Asuncion


  • location icon San Diego, CA
    701 B Street
    San Diego, CA 92101

Catherine Asuncion is an associate in the San Diego office of Lewis Brisbois and a member of the Appellate Practice where she focuses on appeals and writs. Her practice also includes providing clients and trial counsel with strategic substantive and procedural analysis for significant trial court motions.

Prior to joining Lewis Brisbois, Ms. Asuncion served as Judicial Extern to Presiding Justice Judith McConnell of the California Court of Appeal, Fourth District, Division One. During law school, she served as Judicial Extern to the Honorable Anthony J. Battaglia of the United States District Court for the Southern District of California. She has also held legal internships in law firms and government, regulatory, and public service agencies.

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United States Court of Appeals for the Ninth Circuit

United States District Court for the Southern District of California


  • San Diego County Bar Association
  • Filipino American Lawyers of San Diego, President
  • Pan Asian Lawyers of San Diego
  • Lawyers Club of San Diego

Awards & Honors

  • Academic Excellence Award ("AmJur"): Constitutional Law I; STEPPS I and II (courses in legal writing, litigation skills, and professional responsibility)
  • California Western's Public Service Honors Society
  • California Western's Pro Bono Honors Society


California Western School of Law

Juris Doctormagna cum laude, 2015

  • California Western Law Review, Executive Director of Notes and Comments
  • California Western Moot Court Negotiation Team Competitor

Chapman University

Bachelor of Arts in Psychology, Minor in Sociology, 2010

  • Psi Chi, The International Honor Society in Psychology

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