Paul A. Rigali

  • Awards & Recognition
  • In the news

Paul A. Rigali is a partner at Larson O’Brien LLP.  He has tried cases in private arbitration, state and federal courts, and the Delaware Court of Chancery.  He has successfully litigated an array of complex matters, including contractual disputes, fraud and unfair competition claims, class actions, corporate governance and partnership disputes, water rights, and environmental disputes.  Mr. Rigali's white collar defense experience includes defending clients in trials and investigations involving the False Claims Act, the Foreign Corrupt Practices Act, wire fraud, and procurement fraud.     

Mr. Rigali represents individuals and companies in the real estate, software, sports and entertainment, healthcare, mining, and automotive industries, as well as cities, water agencies, and non-profits.  Mr. Rigali's diverse practice benefits from his knack for developing creative and aggressive case strategies that have consistently yielded victories in high-stakes matters. 

In 2017, the Daily Journal named Mr. Rigali one of the top 40 lawyers under the age of 40 in California, recognizing his work on class action, False Claims Act, and water rights matters.  He has also been recognized as one of the nation's top litigators under 40 by Benchmark Litigation.

Mr. Rigali joined Larson O’Brien when the firm opened in January 2016.  He previously worked at Venable LLP and Arent Fox LLP.  Mr. Rigali’s pro bono efforts include having provided legal services to the Special Olympics World Games’ Organizing Committee in support of the 2015 Special Olympics World Games in Los Angeles.  

Mr. Rigali received his law degree from the USC Gould School of Law and his bachelor's degree from the University of Southern California.  While in law school, Mr. Rigali externed for the Honorable Stephen Reinhardt of the United States Court of Appeal for the Ninth Circuit.  He is a member of the Association of Business Trial Lawyers.   

Representative Matters

  • Obtained a complete defense verdict on allegations of fraud, breach of contract, and unfair competition for an automotive dealer group, following a three-week trial. 
  • Won summary judgment for a Federally-Qualified Health Clinic accused of violating the federal False Claims Act. 
  • Successfully represented a software company and its founders against claims alleging copyright violations, misappropriation of trade secrets, civil RICO violations, and breached employment agreements, in arbitration and a parallel Section 225 trial before the Delaware Court of Chancery to resolve issues of corporate control. 
  • Won dismissal of a putative class action complaint against a mortgage servicer and Fortune 50 company, alleging violations of California’s Rosenthal Fair Debt Collection Practices Act.
  • Won summary judgment in favor of a private water company and its officers, defeating allegations that defendants misappropriated water rights and breached fiduciary duties. 
  • Won summary judgment in favor of non-profit foundation accused of aiding and abetting fraud of its board members. 
  • Represented a professional sports franchise in a two-week arbitration hearing between the franchise and its sponsor, winning a seven-figure arbitration award.
  • Represented a municipal water district in connection with its remediation and cost recovery efforts related to two plumes of volatile organic compounds affecting groundwater.
  • Represented a corporate officer and corporation in a three-week criminal trial of procurement fraud and wire fraud claims in federal court.
  • Represented a municipal water district in a water rights dispute with a private water company alleged to have over pumped water worth approximately $50 million.
  • Conducted internal investigation of fraud and embezzlement by corporation’s investment advisor and treasurer.
  • Conducted internal investigation of trade organization arising from allegations of workplace harassment and discrimination claims.  
  • Successfully defended fast food companies, clothing companies, and automotive dealers, in various class actions, including claims arising from the unfair competition laws, the Consumer Legal Remedies Act, the Telephone Consumer Protections Act, California’s “Made in USA” statute, and state and federal employment laws. 
  • Under 40 Hot List, Benchmark Litigation
  • Top 40 Under 40 (2017), Daily Journal

Live Nation, others cut loose from IP fight

U.S. District Judge Philip S. Gutierrez granted Live Nation's motion to dismiss producer Darryl Payne's copyright claims

Daily Journal

Larson O'Brien hired in college admissions scandal

Ex-judge, Stephen G. Larson, hired to represent water polo coach in college admissions scandal


Larson added to "Varsity Blues" defense team

Larson O'Brien counted among elite firms that make up the "Varsity Blues" defense team

Benchmark Litigation

Rigali recognized by Benchmark Litigation

Partner Paul Rigali has been named on Benchmark Litigation's annual "Under 40 Hotlist"

The Daily Journal

Daily Journal names Rigali to Top 40 under 40 list

The Daily Journal named Larson O'Brien LLP partner Paul Rigali in its annual list of the best 40 lawyers in California under age 40


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.


    USC Gould School of Law

    University of Southern California, B.A., cum laude


    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