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    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott Garner
    • Amy Lesperance Han
    • Phillip Kaplan
    • Nasser Khateeb
    • Ellen Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Marcus S. Quintanilla
    • Carole Reagan
    • Todd Smith
    • Jeremy G. Suiter
    • Ryan T. Tran
    • Mei Tsang
    • Thomas Umberg
    • Chris Wang
    • Dean Zipser
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Umberg/Zipser LLP Ranked Tier One on “Best Law Firms” List by U. S. News & World Report 2023

  • November 3, 2022

Umberg/Zipser LLP (U/Z), a premier business litigation and intellectual property law firm located in Irvine, California, has again been ranked Tier One on the “Best Law Firms” list by U.S. News & World Report for the Orange County Metropolitan area.

The firm has received this outstanding recognition every year since its inception in 2014. The ranking highlights top law firms, recognized by their clients and peers for delivering professional excellence and high-quality service, through a unique combination of practice quality and legal expertise.

For 2023, the firm received five Tier One Rankings for Metropolitan Orange County in Commercial Litigation, Bet-the-Company Litigation, Intellectual Property Litigation, Real Estate Litigation, and Banking & Finance Litigation. The firm also received recognition in the practice areas of Copyright Law, Patent Litigation, and Trademark Law.

“We are honored to again be recognized as one of the Best Law Firms in Orange County. Our firm’s attorneys are committed to pursuing our clients’ objectives, by providing strategic and efficient solutions, and we appreciate the continued recognition from our clients and peers,” said co-founding partner Dean Zipser.

In addition to the firm’s recognition, U/Z attorneys Mark Finkelstein, Scott Garner, Phillip Kaplan, Carole Reagan, Adina Stowell, Todd Smith, Mei Tsang, Thomas Umberg, and Dean Zipser have also been selected for inclusion in the 2023 edition of The Best Lawyers in America®. Additionally, Mark Finkelstein was also recognized as “Lawyer of the Year” for both Trademark Law and Patent Litigation, and Brent Colasurdo has been recognized again as Best Lawyers “Ones to Watch” for 2023.

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Umberg Zipser

1920 Main Street, Suite 750 Irvine CA 92614

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If you are interested in retaining our services, or you want to learn more about Umberg/Zipser, we look forward to hearing from you.  Please note that merely sending us an email does not create an attorney-client relationship, and anything you send to us will not be confidential or privileged unless we have agreed to represent you. 

  • (949) 679-0052
  • 1920 Main Street, Suite 750, Irvine, CA 92614
  • [email protected]
  • www.uzllp.com

Umberg/Zipser is a premier business litigation and intellectual property boutique.  Drawing on decades of experience in some of the nation’s largest and most prestigious law firms, as well as national and state government service, Umberg/Zipser provides clients with unparalleled legal services. 

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  • ABOUT
    • Firm Overview
    • Selected Honors & Awards
    • Professional Activities & Community Involvement
    • Charitable Support
    • Careers
  • PRACTICE AREAS
    • Commercial Litigation
    • Intellectual Property
    • Lawyer Liability & Legal Ethics
    • Class Actions
    • Government & Regulatory
    • White Collar Investigations & Defense
  • PROFESSIONALS
    • Ryan S. Dean
    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott Garner
    • Amy Lesperance Han
    • Phillip Kaplan
    • Nasser Khateeb
    • Ellen Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Marcus S. Quintanilla
    • Carole Reagan
    • Todd Smith
    • Jeremy G. Suiter
    • Ryan T. Tran
    • Mei Tsang
    • Thomas Umberg
    • Chris Wang
    • Dean Zipser
  • NEWS
  • CONTACT
  • ABOUT
    • Firm Overview
    • Selected Honors & Awards
    • Professional Activities & Community Involvement
    • Charitable Support
    • Careers
  • PRACTICE AREAS
    • Commercial Litigation
    • Intellectual Property
    • Lawyer Liability & Legal Ethics
    • Class Actions
    • Government & Regulatory
    • White Collar Investigations & Defense
  • PROFESSIONALS
    • Ryan S. Dean
    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott Garner
    • Amy Lesperance Han
    • Phillip Kaplan
    • Nasser Khateeb
    • Ellen Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Marcus S. Quintanilla
    • Carole Reagan
    • Todd Smith
    • Jeremy G. Suiter
    • Ryan T. Tran
    • Mei Tsang
    • Thomas Umberg
    • Chris Wang
    • Dean Zipser
  • NEWS
  • CONTACT

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