Jonathan E. Phillips

  • Awards & Recognition
  • In the news

Jonathan 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 as white collar criminal defense and appellate advocacy.  

Jonathan has litigated scores of high-stakes matters representing clients in a variety of industries, including entertainment, healthcare, investment banking, and food and beverage industries. His 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.

Jonathan's criminal defense work includes successfully representing a real estate company and its managing partner in a nine-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 Jonathan its prestigious California Lawyer Attorneys of the Year (CLAY) Award for his efforts securing acquittals for Larson O'Brien's clients.  

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

Jonathan received his law degree from the University of California, Los Angeles (UCLA) School of Law. During law school, he served as a judicial extern to the Honorable Virginia A. Phillips of the U.S. District Court for the Central District of California. Before attending law school, Jonathan earned an M.A. in musicology from UCLA and a B.A. in music for trumpet performance.

Other Activities

Jonathan is a member of the American Bar Association Labor and Employment Law Section and the California Lawyers Association Labor and Employment Law Section

Speaking Engagements

Daily Journal

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

Benchmark Litigation

Benchmark Litigation recognizes firm and partners

Larson O’Brien has been named a “Recommended” firm and partners Stephen G. Larson, Jonathan E. Phillips, and Paul A. Rigali have been recognized as “Litigation Stars” by Benchmark Litigation 2021.

Quaynote Communications

Jonathan Phillips presenting on workplace violence

Partner Jonathan E. Phillips is co-presenting a session during the Business Continuity, Workplace Violence & ESRM online conference on Aug. 20, 2020.

Larson O'Brien Press Release

County loses bid to dismiss Colonies lawsuits

A new ruling by a federal judge leaves San Bernardino County facing hundreds of millions of dollars in damages over the politically motivated, 20-year persecution of Larson O'Brien client Jeff Burum and his company, Colonies Partners.

Daily Journal

Developer & officials acquitted of bribery can sue

San Bernardino County, its former district attorney, and his staff can be sued by Larson O'Brien client Jeff Burum and former county officials for alleged retaliation and malicious prosecution, a federal judge ruled on July 29, 2020.

San Bernardino Sun

Judge OKs trial against San Bernardino County

A federal judge on July 29, 2020 denied a request by San Bernardino County to dismiss a lawsuit filed by Larson O'Brien client Jeff Burum alleging malicious prosecution in a nearly decade-long public corruption case that ended in his acquittal.

Larson O’Brien joins Law Firm Antiracism Alliance

The national coalition of law firms aims to create large-scale, coordinated pro bono projects that address systemic racism.

Work-from-home policy: What employers need to know

Larson O’Brien partnered with AT-RISK International to identify key areas for employers to focus on when implementing a work-from-home policy.

Firm joins L.A. Represents pro bono initiative

Mayor Eric Garcetti's pro bono initiative is composed of top Los Angeles law firms providing free legal services to residents facing hardships caused by the COVID-19 pandemic.

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.


    University of California, Los Angeles School of Law, J.D.

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


    U.S. Court of Appeals for the 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