Isaac B. Zaur, attorney, partner at Clarick, Gueron, Reisbaum

Isaac B. Zaur

partner (212) 633-4314 Download Vcard

Mr. Zaur assists clients in litigating disputes that arise from significant financial transactions and major transitions in the corporate life cycle. These matters often address control of critical corporate assets, the departure of a co-founder or senior executive, the aftermath of a merger or acquisition, or a bankruptcy. Before joining CGR in 2011, Mr. Zaur was an associate at Cravath, Swaine & Moore. Mr. Zaur has been designated a “Super Lawyer” by New York Metro every year since 2015.


University of California, Berkeley, School of Law,
Boalt Hall, J.D., 2007

Haverford College, B.A.,
magna cum laude, Phi Beta Kappa, 1999


Represent private equity fund in enforcing participation rights under a margin loan against borrower seeking to evade its obligations through complex sham sale.

Defended prime brokers in antitrust lawsuit alleging conspiracy to boycott new entrants in stock lending industry.

Assisted and represented applicant for parole in multiple appeals and Article 78 proceedings, leading ultimately to release after forty years’ imprisonment. (See related article here.)

Represented prominent Israeli baker and entrepreneur in dispute with co-founder of US affiliate.

Represent sellers of video content creation platform against acquiring entity in post-closing earnout litigation.

Represent international mining joint venture in arbitration between co-owners.

Won dismissal of securities fraud claims asserted by seed-round investors against CEO of an online start-up company acquired by Groupon, Inc.

Achieved successful settlement on behalf of Internet startup StreetEasy, Inc. in dispute with co-founder concerning ownership and control of company; enforced and protected settlement before, during, and after StreetEasy’s acquisition by Zillow, Inc.

Obtained a unanimous jury verdict against the purveyor of forged Russian Suprematist art work.

Advised the independent directors of Ampal-American Israel Corp. in connection with their exit from the board of directors; obtained dismissal of bankruptcy trustee’s breach of fiduciary duty lawsuit.

Secured dismissal of all claims against Harbinger Capital hedge fund entities in derivative litigation arising from bankruptcy of the funds’ principal portfolio company.

Defended online retailer of cowboy boots and western- themed apparel in libel and tortious interference suit brought by competitor; achieved successful settlement after asserting counterclaims arising from competitor’s misappropriation of intellectual property.


Member, Board of Directors, Parole Preparation Project

Volunteer Arbitrator, New York City Small Claims Court

Co-Moderator of Annual CLE Presentation on Practice in New York Supreme Court, Sponsored by Association of the Bar of the City of New York

Former Member, Committee on Professional Ethics, Association of the Bar of the City of New York

Former Co-chair, Commercial Division Committee of the Federal and Commercial Litigation Section of the New York State Bar Association.


State of New York

U.S. Court of Appeals for the Second Circuit

U.S. District Courts for the Southern and Eastern Districts of New York