Jonathan E. Phillips

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Jonathan E. Phillips is a partner at Larson O'Brien LLP.  His practice focuses on complex civil litigation, including labor and employment disputes, trusts and probate litigation, bad faith insurance claims, and class action defense, as well white-collar criminal defense and appellate advocacy.  

Mr. Phillips has litigated scores of high-stakes matters representing clients in a variety of industries, including entertainment, healthcare, investment banking, and food and beverage industries.  Mr. Phillips' labor and employment experience includes defending companies against single-plaintiff and class action wage and hour, discrimination, and wrongful termination claims, conducting internal investigations, and advising clients on regulatory and compliance matters.

Mr. Phillips' criminal defense work includes successfully representing a real estate company and its managing partner in an eight-month jury trial in the high-profile public corruption matter The People of the State of California v. Paul Biane et al.  The Daily Journal awarded Mr. Phillips its prestigious California Lawyer Attorneys of the Year (CLAY) Award for his efforts securing acquittals for Larson O'Brien LLP's clients.  

Mr. Phillips joined Larson O'Brien LLP when the firm opened in 2016.  Prior to joining the firm, he worked at Kirkland & Ellis LLP and Arent Fox LLP.  

Mr. Phillips received his law degree from the UCLA School of Law.  During law school, he served as a judicial extern to the Honorable Virginia A. Phillips of the United States District Court for the Central District of California. Before attending law school, Mr. Phillips earned a B.A. in music for trumpet performance and a M.A. in musicology from UCLA. 

  • California Lawyer Attorney of the Year (CLAY) Award, California Lawyer (2017)
Pasadena Star News

Larson O'Brien Wins $10 million jury verdict

Jury finds Rose Bowl Aquatic Center at fault in molestation case, awards family millions


Eleven lawyers depart Arent Fox to open boutique

Eleven lawyers have jumped ship from Arent Fox to start a litigation boutique in Los Angeles. Larson O'Brien will focus on high stakes matters, including commercial litigation, internal investigations, appellate work and international arbitration.

San Bernardino Sun

Bribery case ends with final charges dismissed

Colonies bribery case ends with all charges dismissed against last defendant Jim Erwin.

San Bernardino Sun

3 of 4 Colonies defendants found not guilty

Three of the four defendants in the San Bernardino County Colonies corruption case were found not guilty of all charges after a marathon trial that lasted nearly eight months.

California Lawyer

Larson and Phillips receive "CLAY Award"

Stephen G. Larson and Jonathan E. Phillips were selected for the prestigious CLAY Award for California Attorneys of the Year

Daily Press

Not guilty verdicts in Colonies corruption case

A real estate developer and two former top San Bernardino County officials were found not guilty Monday of corruption charges tied to the Colonies scandal, believed by many to be the most consequential case of its kind in the county's history.


    UCLA School of Law

    University of California, Los Angeles, B.A., M.A.


    U.S. Court of Appeals, Ninth Circuit
    U.S.D.C. Central District of California
    U.S.D.C. Eastern District of California
    U.S.D.C. Northern District of California
    U.S.D.C. Southern District of California