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umberg-zipser-llp
  • (949) 679-0052
  • [email protected]
  • 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

News & Events

Exceptional client service, creative thinking, problem solving, and decades of proven success

Halim Dhanidina Serves as Moderator for Webinar “Appointment to the California Superior Court: Nuts & Bolts”

April 12, 2021
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Vikki Vander Woude and Ethan Feng lead OCSA to CRF-OC’s Mock Trial Semi-Finals

April 11, 2021
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Umberg/Zipser LLP Announces Former Appellate Justice Halim Dhanidina has Joined the Firm

April 1, 2021
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Mei Tsang

Partner Mei Tsang Becomes Secretary of Community Legal Aid SoCal

February 4, 2021
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Tom Umberg Sworn into California’s Judicial Council

February 2, 2021
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Umberg/Zipser Continues Its Prominence With Orange County Bar Association

February 1, 2021
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Super Lawyers 2021 Selects Six Umberg/Zipser Attorneys

January 21, 2021
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Tom Umberg Featured in Daily Journal Article: Umberg Appointed New State Senate Judiciary Chair

December 29, 2020
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U/Z Honored as Law Firm of the Year at the VLI 2020 Lawyers for Warriors Event

November 11, 2020
Read More »
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Umberg Zipser

1920 Main Street, Suite 750 Irvine CA 92614

Contact Us

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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Navigation

  • 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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