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  • (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
    • Brent S. Colasurdo
    • Ryan S. Dean
    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott B. Garner
    • Phillip R. Kaplan
    • Ellen S. Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Carole E. Reagan
    • Todd W. Smith
    • Adina W. Stowell
    • Jason Tejani
    • Mei Tsang
    • Thomas J. Umberg
    • Vikki L. Vander Woude
    • Dean J. Zipser
    • Other
      • Halim Dhanidina
  • NEWS
  • CONTACT
Menu
  • 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
    • Brent S. Colasurdo
    • Ryan S. Dean
    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott B. Garner
    • Phillip R. Kaplan
    • Ellen S. Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Carole E. Reagan
    • Todd W. Smith
    • Adina W. Stowell
    • Jason Tejani
    • Mei Tsang
    • Thomas J. Umberg
    • Vikki L. Vander Woude
    • Dean J. Zipser
    • Other
      • Halim Dhanidina
  • NEWS
  • CONTACT

News & Events

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

Umberg/Zipser Again Sponsors OCBA Charitable Fund’s Raise Your Glass Fundraiser

November 9, 2021
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ABTL U/Z 2021

Umberg/Zipser Continues Key Roles at ABTL Annual Seminar

November 8, 2021
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Umberg/Zipser Named to Orange County Best Law Firms List for 2022

November 4, 2021
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OCAABA

Umberg/Zipser Sponsors OCAABA Annual Moon Festival Mixer

October 23, 2021
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Umberg/Zipser Named CRF-OC’s 2021 Law Firm of the Year

October 1, 2021
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Umberg/Zipser Again Included in the Civic OC List for 2021

September 29, 2021
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Mei Tsang

Partner Mei Tsang Elected as Secretary of the OCBA

September 24, 2021
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Umberg/Zipser Attorneys Once Again Recognized by Best Lawyers in America 2022

August 19, 2021
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Umberg/Zipser Sponsors OCBA Charitable Fund’s Annual Golf Tournament

August 9, 2021
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.umbergzipser.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
    • Brent S. Colasurdo
    • Ryan S. Dean
    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott B. Garner
    • Phillip R. Kaplan
    • Ellen S. Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Carole E. Reagan
    • Todd W. Smith
    • Adina W. Stowell
    • Jason Tejani
    • Mei Tsang
    • Thomas J. Umberg
    • Vikki L. Vander Woude
    • Dean J. Zipser
    • Other
      • Halim Dhanidina
  • NEWS
  • CONTACT
Menu
  • 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
    • Brent S. Colasurdo
    • Ryan S. Dean
    • Ethan Feng
    • Martin Fessenmaier, Ph.D.
    • Mark A. Finkelstein
    • Scott B. Garner
    • Phillip R. Kaplan
    • Ellen S. Kim
    • Molly Magnuson
    • Priti Phukan, Ph.D.
    • Carole E. Reagan
    • Todd W. Smith
    • Adina W. Stowell
    • Jason Tejani
    • Mei Tsang
    • Thomas J. Umberg
    • Vikki L. Vander Woude
    • Dean J. Zipser
    • Other
      • Halim Dhanidina
  • NEWS
  • CONTACT

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