Jonathan E. Phillips

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Jonathan Phillips focuses his practice 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 10-month jury trial in the high-profile public corruption matter People v. 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 LLP's clients. Jonathan then served as counsel for Jeffrey Burum and his company in two civil rights suits seeking damages for the retaliatory investigation, which resulted in a $65 million settlement in November 2020.  

Jonathan joined Larson LLP when the firm opened in 2016. Prior to joining the firm, he worked at Kirkland & Ellis LLP and Arent Fox LLP. 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 pursuing a career in law, Jonathan earned an M.A. in musicology and a B.A. in music for trumpet performance.


Speaking Engagements

Los Angeles Business Journal

Larson LLP named a top firm to work for

For the second consecutive year, Larson LLP is named among the “Most Admired Law Firms: L.A.’s Top Firms to Work For,” recognizing our efforts to foster, attract, and retain diverse talent in 2021.

Daily Journal

Larson LLP named a “Top Boutique” for litigation

Larson LLP earned a spot on the coveted list of top boutiques in California for 2021, which features only 20 specialty firms.

Benchmark Litigation

Four partners recognized as “Litigation Stars”

Partners Stephen G. Larson, Jonathan E. Phillips, Hilary Potashner, and Paul A. Rigali are recognized as “Litigation Stars” and Larson LLP is once again named a “Recommended” firm in Benchmark Litigation’s USA 2022 rankings.

Best Lawyers©

Eight attorneys recognized by Best Lawyers©

Six Larson LLP partners are recognized in The Best Lawyers in America© 2022 and two attorneys are included in the second edition of the Best Lawyers: Ones to Watch.

Firm News

Firm prevails in barista GoFundMe campaign suit

On Aug. 13, 2021, the lawsuit filed against Matthew Cowan and his company, arising from the creation of a philanthropic GoFundMe campaign to raise virtual tips for a Starbucks barista who was bullied online, was dismissed by a California Superior Court judge.

Los Angeles Business Journal

Partners recognized as "Leaders of Influence"

Partners Jonathan E. Phillips and Hilary Potashner are recognized among the best litigators and trial attorneys in Los Angeles for 2021.

Firm News

Larson LLP signs CA Equal Pay Pledge

The firm joins California First Partner Jennifer Siebel Newsom and the California Commission on the Status of Women and Girls in their campaign, Equal Pay CA, to close the state's pay gap.

Benchmark Litigation

Larson LLP shortlisted for "Firm of the Year"

Larson LLP is one of seven Los Angeles firms recognized as finalists for Benchmark Litigation’s 2021 "Firm of the Year" award.

University of Redlands

Jonathan Phillips participating in COVID-19 forum

Partner Jonathan E. Phillips is sharing his insight during a virtual forum about “Managing in Changing Times: The Weight of COVID-19 Responsibilities and Organizational Sustainability” on March 12, 2021, at 1:00 p.m. PT.

Daily Journal

Large civil jury trial begins in San Bernardino

After Larson LLP successfully opposed the defendants' appeal, the jury trial for Freeman v. Board of Trustees of the California State University et al. is underway in San Bernardino County.

Daily Journal

County agrees to pay $65M to acquitted developer

San Bernardino County, Colonies Partners L.P., and Jeffrey Burum reached a $65 million settlement to resolve the First Amendment civil case, retaliation, and malicious prosecution.


County settles 'retaliatory prosecution suit'

San Bernardino County will pay $65 million to end the federal court suit accusing the county of the retaliatory investigation and malicious prosecution of Jeffrey Burum, the parties announced on Nov. 24, 2020.

San Bernardino Sun | Inland Valley Daily Bulletin

San Bernardino County to pay $65M in Colonies case

San Bernardino County will pay Rancho Cucamonga developer Jeffrey Burum and his Colonies Partners investor group $65 million to settle a lawsuit filed by Mr. Burum in 2018 that alleged malicious prosecution.

Los Angeles Business Journal

Larson LLP named among L.A.’s most admired firms

Larson LLP is recognized as one of the “Most Admired Law Firms: L.A.’s Top Firms to Work For” of 2020 for consciously working toward creating a diverse, positive, and supportive environment to help drive the firm’s success.

UCLA School of Law

Larson LLP Cohort of UCLA Law Fellows announced

On Nov. 16, 2020, UCLA School of Law announced the Larson LLP Cohort of UCLA Law Fellows and the firm’s 2021 partnership with the Law Fellows Program.

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 LLP 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 LLP 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