Joseph S. Persoff


Los Angeles
T +1.310.442.8838
F +1.310.820.8859


A dedicated employment litigator, Joseph Persoff is determined to help clients both comply with the law and stay true to their business models. His experience with employment claims and class action suits includes playing an instrumental role in drafting appellate briefs and trial court motions, including summary judgment motions, post-trial motions and anti-SLAPP motions, as well as arguing multiple cases before courts of appeal. Well-versed on a range of employment issues, Joseph has offered critical support on matters that involved discrimination, retaliation and harassment.


  • Argued cases before the Ninth Circuit Court of Appeals and the California Court of Appeal.
  • Drafted appellate briefs, petitions for writ of mandate and petitions for review to the California Supreme Court.
  • Prepared trial and appellate court motions, including oppositions to demurrers, motions for summary judgements, anti-SLAPP motions, motions in limine, motions for new trial and motions to dismiss an appeal.

Recognitions and Memberships


  • Los Angeles County Bar Association


  • Los Angeles World Affairs Council: Young Professionals

Prior Positions

  • The Honorable Harry Pregerson, United States Court of Appeals, Ninth Circuit: Judicial Extern (2013)


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


  • J.D., University of Southern California Gould School of Law, 2015; Southern California Law Review, Senior Submissions Editor
  • B.S., Syracuse University, 2010


In The Blogs

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Employment Class Action Blog
California Court of Appeal Applies Dynamex Retroactively
By Joseph S. Persoff
October 14, 2019
This week, a California Court of Appeal concluded in a class action case that the California Supreme Court’s Dynamex decision applies retroactively. In another case, Vazquez v. Jan-Pro Franchising International, the Ninth Circuit Court of...
Employment Class Action Blog
California Enacts Anti-Arbitration Legislation, but Will the FAA Limit Its Potential Impact? Not Entirely.
By John B. Lewis, Joseph S. Persoff
October 11, 2019
On Oct. 10, California Governor Gavin Newsom signed into law an attempt by California’s Legislature to limit arbitration of claims under California’s Fair Employment and Housing Act (“FEHA”). FEHA prohibits harassment, discrimination and...
Employment Class Action Blog
CA Supreme Court Rules That Employees Cannot Recover Unpaid Wages Through PAGA
By Joseph S. Persoff
September 12, 2019
California’s Supreme Court has cut off an area of significant potential exposure for California employers by ruling that employees cannot recover unpaid wages on behalf of themselves and other aggrieved employees through California’s...
Employment Law Spotlight
California Supreme Court reopens the door for SLAPPing retaliation and discrimination claims
By Joseph S. Persoff
August 5, 2019
The California Supreme Court has ruled that a former employee’s retaliation or discrimination claim can be dismissed at the initial stages of litigation via California’s anti-SLAPP statute. In Wilson v. CNN, decided July 22, 2019, the...
Employment Law Spotlight
California Supreme Court: Payroll Companies Not Liable to Client's Employees for Unpaid Wages
By Joseph S. Persoff
February 14, 2019
The California Supreme Court has cut off another avenue for employees to sue payroll provider companies for unpaid wages. California courts have previously found that employees cannot sue a payroll company under a theory that the company...