Jeremy B. Rosen

Partner, Horvitz & Levy LLP

Mr. Rosen is a partner at the firm, which he joined in 2001.  He is a California State Bar Certified Appellate Specialist.  He has been lead appellate counsel in dozens of appeals in a wide variety of areas (his name currently appears on more than 25 published opinions and many more unpublished opinions, and he has presented more than 30 appellate oral arguments, including to the Ninth Circuit, California Supreme Court, and five of the six appellate districts in the California Court of Appeal). In particular, Mr. Rosen has developed an expertise in the First Amendment, California’s anti-SLAPP statute, the law of defamation, the application of the litigation privilege, and challenges to arbitration awards. Mr. Rosen has been invited to speak on these and other topics at numerous conferences. 

Mr. Rosen has briefed numerous cases in the California Supreme Court, arguing six of them. His cases in the Supreme Court have involved important issues regarding the scope of California’s anti-SLAPP statute, the Unruh Act, the California Environmental Quality Act (CEQA), the Statute of Frauds, the Uniform Single Publication Act, the protection afforded to commercial speech, the application of the First Amendment to intra-church property disputes, the enforceability of arbitration clauses, the scope of public employee whistleblower protection, and the application of the primary assumption of risk doctrine. 

Mr. Rosen is a member of the National Chamber Litigation Center’s California Litigation Advisory Committee. Mr. Rosen is also the Vice-President of the Board of Directors of the Public Participation Project. The Public Participation Project ( is a national non-profit organization dedicated to protecting citizens from lawsuits designed to chill their ability to communicate with their government or speak out on issues of public interest. 

Mr. Rosen is a past member of the Los Angeles County Bar Association’s State Appellate Judicial Evaluation Committee. He is a past president of the Los Angeles Lawyer’s Division of the Federalist Society, and currently serves as Co-Chair of its Advisory Board. He is a member of the Association of Southern California Defense Counsel’s amicus sub-committee. 

Mr. Rosen has also served as an Adjunct Professor at Pepperdine Law School teaching appellate advocacy, and the Phillips Graduate Institute teaching legal research. In 2007, the Los Angeles & San Francisco Daily Journal honored Mr. Rosen by naming him to its “20 to Watch Under 40” list of California attorneys. He has also been named a California Super Lawyer in 2012 to 2013 and a Rising Star from 2006 to 2011. 

Before joining the firm, Mr. Rosen was a Litigation Associate with Munger, Tolles & Olson. He also held judicial clerkships with the Hon. Ferdinand F. Fernandez, U.S. Court of Appeals, Ninth Circuit and the Hon. Wm. Matthew Byrne, Jr., U.S. District Court, Central District of California.

  • Duke University School of Law
    J.D. and L.L.M. in International and Comparative Law, Order of the Coif, 1997
  • Cornell University
    B.A., magna cum laude, Phi Beta Kappa, 1993

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Publications and Multimedia
Litigating State Constitutional Issues - Event Audio/Video
2017 Annual Western Chapters Conference
February 06, 2017
Helping Americans to Speak Freely
Federalist Society Review, Volume 18
December 15, 2016
California 2010: The Courts and the Economy
White Paper on the California Supreme Court
October 13, 2010
California’s 17200 - Its Use and Abuse - Event Audio/Video
San Diego Lawyers Chapter and State Courts
May 19, 2010
The Independent Counsel Act: An Unconstitutional Delegation of Power of Judges
Federalism & Separation of Powers Practice Group Newsletter - Volume 3, Issue 1, Spring 1999
July 01, 1999