James R. Rosen

Rosen Saba, LLP
Rosen Saba, LLP
2301 Rosecrans Ave., Suite 3180, El Segundo, CA 90245 United States


Jim Rosen is the founder and managing partner of Rosen“RosenSaba, LLP. Jim has successfully litigated scores of business torts, professional liability claims, employment and harassment disputes, women’s rights issues, and catastrophic injury cases on behalf of a wide spectrum of individuals, local governments, businesses and multi-national corporations. Jim has a near perfect success record as the lead trial lawyer in dozens of jury trials and arbitration proceedings. He is also an expert witness concerning attorney ethics, standard of care, and responsible billing practices in high-stakes legal malpractice and breach of fiduciary duty matters.


Over $100 million in total plaintiffs’ verdicts and settlements achieved.

Not a single jury trial lost on the defense side.

Lead trial attorney in a high-profile legal malpractice and fraud case against a prominent international 2005 law firm, obtaining a $38.5 million jury verdict in favor of the firm’s clients, Billy Blanks, Gayle Blanks and BG Star Productions, Inc. The verdict was the largest California legal malpractice verdict in years, the fifth largest verdict in the State of California and the 34th largest verdict nationwide in 2005, as reported by the Los Angeles Daily Journal and National Law Journal.

Lead appellate attorney in E-Pass Technologies, Inc. v. Moses & Singer, LLP, et al. (2010) 189 Cal.App.4th 1140, holding for the first time under California law that a legal malpractice action based upon unsuccessful patent infringement claims may be brought in California courts.


“Top Professional Responsibility Lawyers” (Daily Journal 2022)

“AV – Preeminent” rated by Martindale-Hubbell and listed annually each year since 2006 in the publication of Preeminent Lawyers in America. An “AV” rating is the highest rating awarded and indicates an attorney has reached the height of professional skill, excellence and ethics

“Top Rated Litigator” (2019-2022 by American Lawyer Magazine)

“Best Personal Injury Attorneys” in America (each year 2012-2022 by American Lawyer Magazine)

“Best Labor and Employment Attorneys” in America (each year 2007-2022 by American Lawyer Magazine)

“Best Lawyers” in America (each year 2006-2022 by U.S. News & World Report)

“Southern California Super Lawyer” (each year 2006-2022 by Super Lawyers Magazine)

“500 Leading Plaintiff Employment & Civil Rights Lawyers in the United States”, Lawdragon, 2021

“America’s Top 100 Civil Defense Litigators” (2018-2021)

“Top Boutique Law Firms,” as selected by both the Los Angeles Daily Journal and the San Francisco Recorder (one of only 7 litigation firms), 2016

Diplomate, Trial Advocacy Skills, National Institute of Trial Advocacy, 1990


Expert Witness designations in matters related to Professional Responsibility in four California counties, 2018-2021

Featured guest columnist, “War Stories,” Los Angeles Daily Journal, 2017-2020

CEB Presentation Conference Speaker: “Business Litigation: Trial and Post-Trial Overview” (2016)

American Bar Association-National Legal Malpractice Conference Speaker/Panel Member: “How Firm Compensation Can Drive Bad Behavior” (2014)

Beverly Hills Bar Association Speaker: “Voir Dire 101: Winning From the Get-Go”

Professor of “Pretrial Civil Procedure” at UCLA for Attorney Assistant Program (Certified Paralegal Course) (1989)


California State Bar

Associate member, American Board of Trial Advocates, 2008-Present

Member, National Editorial Board, Voir Dire Magazine, American Board of Trial Advocates, 2018 – present

Executive Board Member, American Board of Trial Advocates, Los Angeles Chapter, 2016 – present

Vice President-Elect of the LA Chapter of the American Board of Trial Advocates, 2022

Chapter Representative to the National Board of American Board of Trial Advocates, 2018-2020, 2022-2024

Association of Professional Responsibility Lawyers (APRL)

American Bar Association

Los Angeles County Bar Association

Beverly Hills Bar Association

Santa Barbara County Bar Association

Consumer Attorneys Association of California

U.C.L.A. Alumni Association

Phi Kappa Psi Alumni Association

American Political Items Collectors


All California State Courts

United States District Court, Central District of California

United States District Court, Northern District of California

United States District Court, Southern District of California

Ninth Circuit Court of Appeals

United States Supreme Court


Loyola Law School, Los Angeles (1985); Editor of the Loyola Entertainment Law Journal

University of California, Los Angeles, Bachelor of Arts in American History (1979)

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