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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

Super Lawyers 2020 Selects Six Umberg/Zipser Attorneys

January 15, 2020
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Umberg/Zipser Again Named to Orange County Best Law Firms List for 2020

November 1, 2019
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Umberg/Zipser Again Included in the Civic 50 OC List for 2019

October 31, 2019
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Dean Zipser Becomes President of the OC Chapter of the Federal Bar Association

October 25, 2019
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Tom Umberg Authors Daily Journal Article: Document Production Games Run Amok

October 19, 2019
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Mei Tsang Again Serves as Co-Chair and Umberg/Zipser Sponsors OCBA Charitable Fund’s 2019 Raise Your Glass Fundraiser

October 18, 2019
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Happy Holidays from Umberg/Zipser

October 17, 2019
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Umberg/Zipser Again Sponsors CRF-OC’s Annual Benefit

October 17, 2019
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Umberg/Zipser Sponsors Orange County Women Lawyers Association’s Annual Gala

October 16, 2019
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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