Experience, Integrity, Results

About Us

Exceptional client service . . . delivered efficiently

Umberg Zipser LLP is a premier business litigation 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.

The firm’s lawyers are recognized as among the very best in their practice areas.  They are consistently named as Best Lawyers in America® and Super Lawyers®.  Last year, for example, founding partner Dean Zipser was named by Best Lawyers as the Lawyer of the Year for Bet-the-Company litigation in Orange County.

We pursue our clients’ objectives strategically and with maximum efficiency and flexibility across a wide array of practice areas, including intellectual property, class actions, unfair competition, environmental, real estate, and other complex business litigation, as well as white collar criminal defense.

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News

Dean Zipser Selected Co-Vice-Chair of State Bar Attorney Rules Revision Commission

Dean ZipserDean Zipser has been named co-vice-chair of the recently formed California State Bar Commission for the Revision of the Rules of Professional Conduct. Justice Lee Edmon, Presiding Justice of the Second District Court of Appeal, Division Three, will chair the 18-member commission to revise California’s ethical rules for attorneys. Jeffrey L. Bleich, a former California State Bar President who recently served as ambassador to Australia, is the other co-vice-chair.

April 14, 2015 󰀄
U/Z’s Adina Stowell and CRF-OC: Helping to Fuel Civic Engagement

Dean Zipser and Adina StowellU/Z partner Adina Stowell currently serves as President of the Constitutional Rights Foundation, Orange County (CRF-OC) – a non-profit, non-partisan education organization dedicated to empowering Orange County youth to be active, responsible citizens. During Adina’s term as President, CRF-OC has focused, among other things, on strengthening its Peer Court program. Peer Court is a juvenile crime diversion program that offers a second chance to first-time juvenile offenders who have committed nonviolent misdemeanors and an educational opportunity for high school students who serve as jurors or observers.

April 13, 2015 󰀄
DJ Profiles Umberg’s Role in Bringing Afghani Students to U.S. Law Schools

Tom UmbergAn article in the Daily Journal on March 2, 2015, “Program brings Afghani law students to Chapman University,” highlights the ongoing success of the U.S. State Department’s Public Private Partnership for Justice Reform in Afghanistan, which is co-chaired by U/Z’s Tom Umberg. The program is designed to support the rule of law in Afghanistan by bringing young Afghan lawyers to participating U.S. law schools for a year of study. 45 students have successfully completed the program so far. Tom was in Afghanistan earlier this year interviewing applicants with the goal of selecting up to 20 students to come to the U.S. this August.

March 4, 2015 󰀄
U/Z Adds Brent Colasurdo as Litigation Associate

Brent ColasurdoBrent S. Colasurdo has joined the firm as a litigation associate. Brent previously served as a law clerk to the Honorable Cormac J. Carney and the Honorable Alicemarie H. Stotler in the U.S. District Court for the Central District of California from 2013 to 2015. Before his two-year clerkship, he was a litigation associate with Rinos & Martin, LLP in Tustin.

February 6, 2015 󰀄
Former California High Speed Rail Chair Umberg Joins Groundbreaking Ceremony

High Speed RailU/Z’s Tom Umberg, former Chair of the California High Speed Rail Authority, was on the scene in Fresno with Governor Jerry Brown and a host of other dignitaries on January 6, 2015 to help break ground on the state’s high speed rail project that promises to transform the transportation scene in California as it rolls out over the next 15 years.

January 7, 2015 󰀄

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