Gregg Mashberg

Proskauer Rose LLP

Gregg M. Mashberg is the immediate past co-head of the Securities Litigation Group and a former chair of the Litigation Department. He has a broad-based practice and experience before numerous judicial and administrative forums.

Gregg has a particular focus on securities litigation, defending public companies and their directors and officers in class actions, SEC investigations and enforcement actions. Gregg also has broad experience in defending directors and officers in shareholder derivative and class actions arising from mergers and acquisitions and direct breach of fiduciary duty suits under state law.

As part of his securities litigation practice, Gregg is outside litigation counsel for The Depository Trust & Clearing Corporation and its subsidiaries, the nation’s principal securities settlement and depository institutions. He has litigated in trial and appellate courts around the country, successfully defending against claims challenging the securities clearing and settlement system.

In addition, Gregg has been active in litigation concerning various high-tech industries. He has substantial experience litigating disputes relating to telecommunications services and automated systems for processing securities transactions.

Gregg also has substantial litigation experience involving core aspects of Proskauer’s litigation practice, including general commercial disputes, antitrust, bankruptcy, entertainment, sports, First Amendment and trade secrets. He recently won summary judgment in a commercial dispute on behalf of a major British company, dismissing a complaint seeking $100 million in damages.

Gregg is an experienced courtroom lawyer; for example, he won a $3 million federal jury verdict in a stockholders’ derivative action in a case involving the closing of a Wall Street brokerage house.

Following law school, Gregg spent five years in the New York City Corporation Counsel’s Office, becoming an Assistant Chief of the General Litigation Division. In that position, Gregg was lead counsel for the City in major institutional change class actions. He also represented the City in litigation concerning significant public policy disputes.

Gregg has maintained his interest in public law, most recently serving as lead counsel to St. Vincent’s Catholic Medical Center in defending against an Article 78 proceeding that challenged the NYC Landmarks Preservation Commission’s decision to permit St. Vincent’s to demolish a building in the Greenwich Village Historic District in order to make way for a new proposed $850 million hospital building.

He also represented the NY Metropolitan Transportation Authority in successfully defending against challenges to the MTA’s 2003 decision to raise fares and tolls in the amount of $900 million.

Education :

  • New York University School of Law, J.D., 1977
  • Case Western Reserve University, B.A., 1973
  • State University of New York at Buffalo, Faculty of Law and Jurisprudence

Admissions & Qualification : New York

Court Admissions :

  • U.S. Supreme Court
  • U.S. Court of Appeals, Second Circuit
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. District Court, New York, Southern District
  • U.S. Court of Appeals, Eighth Circuit

Memberships :

  • Anti-Defamation League (Immediate past Chair of New York Regional Board; Vice Chair of International Affairs Committee, Member of National Commission; Former Co-Chair of Lawyers Division of the New York Regional Board)
  • University of California at Irvine Center for Autism Research and Translation (CART) (Member of Advisory Board)

Cost

Rate : $$$

What types of cases Attorney Gregg Mashberg & Proskauer Rose LLP can handle?
Proskauer Rose LLP can handle cases related to laws concerning Litigation, White Collar Crime, Administrative, Mergers & Acquisitions, Securities Offerings. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Proskauer Rose LLP located?
Proskauer Rose LLP is located at 11 Times Square, New York, NY 10036, USA. You can reach out to Proskauer Rose LLP using their phone line 212.969.3450. You can also check their website proskauer.com or email them at [email protected].
How much would it cost to hire Proskauer Rose LLP?
Gregg Mashberg lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Proskauer Rose LLP
Times Square 11
New York 10036 NY US
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Brian Orlow

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Main Street 71-18
11367 NY US
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Lina Stillman

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Broadway 42
New York 10006 NY US
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