• PDF
  • Bookmark and Share
  • William Wallach is described by market sources as “very bright, hard-nosed yet reasonable,” adding: “He acquits himself very well in cases.”
    - Chambers USA
  • Martindale-Hubbell AV Preeminent Rated
    5.0 out of 5


  • J.D., Washington University in St. Louis School of Law, 1987
  • B.A., Duke University, cum laude, 1984

Bar Admissions

  • New Jersey

Court Admissions

  • U.S. Court of Appeals, Second and Third Circuits
  • U.S. District Court, Eastern and Southern Districts of New York

Memberships & Affiliations

American Bar Association,
Litigation Section

American College of Trial Lawyers

Civil Rights Commission, Montclair, NJ (2004-2011; Chairperson 2007-2009)

Montclair Municipal Election Review Commission (2011-2012)

Montclair Middle School
Hockey Coach

New Jersey State Bar Association

Temple Shomrei Emunah, Montclair, NJ, (General Counsel, Board of Trustees 2006-2010

William D. Wallach

  • |
  • T: 973.639.7918
    F: 973.297.3925
    • Four Gateway Center
      100 Mulberry St.
      Newark, NJ 07102

William D. Wallach focuses his commercial law practice on the following areas:  the representation of companies and their management in connection with their fiduciary duties and statutory obligations; member and shareholder disputes in the context of closely-held entities; and situations under Articles 2, 3, 4 and 9 of the Uniform Commercial Code.  In addition, he is expanding his services as an arbitrator and mediator.

Mr. Wallach has extensive experience litigating business law issues in the courts of Delaware, New Jersey, and New York.  These matters include the following trials:

Stevens v. Beumer Corporation, et als., Delaware Court of Chancery – representation of Company and officers in response to lawsuit challenging actions of the majority owner of a joint venture, as well as calculation of earn-out payments.

PFT Technology LLC v. Wieser, Supreme Court of New York (Nassau County, Commercial Division) – representation of Company and majority members in action commenced to obtain the involuntary disassociation of minority member when the parties’ efforts to consensually agree upon terms of buy-out were unsuccessful.

Chicago Title Ins. Co. v. Consolidated Rail Corporation, Superior Court of New Jersey (Hudson County, Law Division) – representation of Conrail in defense of claims of fraud and misrepresentation arising from the sale of former railroad property in Jersey City, New Jersey.

Nagle v. Solberg, Superior Court of New Jersey (Hunterdon County, Chancery Division) – representation of client challenging oppressive conduct of majority shareholders in connection with ownership and operation of privately owned airport.

Borough of Carteret v. Consolidated Rail Corporation, Superior Court of New Jersey (Middlesex County, Chancery Division) – representation of Conrail in opposing Borough’s efforts to inspect and condemn railroad property, which are preempted by federal law.

Mr. Wallach regularly appears in both the state and federal courts in New Jersey and New York, and participates in arbitrations across the country. He has been appointed as a Monitor, Receiver, and Special Fiscal Agent on several occasions by Chancery Judges in New Jersey.  In addition, he has spoken on various topics such as: Article 2 Sales Issues for Lawyers and Non-Lawyers; Disputes Involving Closely-Held Businesses with New Jersey Supreme Court Justice Daniel O'Hern; Expert Testimony Issues for CPA's and Seminars for Management on How to Avoid Litigation and How to Manage Litigation; and Litigation Strategies in Federal Court.

Awards & Accolades

  • Recognized in Chambers USA from 2007-2019
  • Listed in New Jersey Super Lawyers for 2006-2013 and 2015-2017 editions
  • Received AV rating from Martindale Hubbell

No aspect of these advertisements have been approved by the Supreme Court of New Jersey. See Awards Methodology.  

Representative Matters

NY Giants v. New Jersey Sports and Exposition Authority
NY Giants v. New Jersey Sports and Exposition Authority, Superior Court of New Jersey, Chancery Division, Bergen County (counsel for The New York Giants in challenge to construction of Xanadu project and to enforce lease provision for "state of the art" stadium).
Quinn v. The State of New York
Quinn v. The State of New York, 709 N.Y.S.2d 122 (Ct. App. 2000) (as co-counsel for the State of New Jersey, declaration of New York's Amended Commuter Tax as unconstitutional.
Zambia Nat. Commercial Bank v. Fidelity Intern. Bank
Zambia Nat. Commercial Bank v. Fidelity Intern. Bank, 855 F. Supp. 1377 (S.D.N.Y. 1994) (comparative negligence of the plaintiff precluded recovery on claim for forged check).
Stella v. Dean Witter Reynolds, Inc.
Stella v. Dean Witter Reynolds, Inc., 241 N.J. Super. 55 (App. Div.), certif. denied, 122 N.J. 418 (1990) and McAdam v. Dean Witter Reynolds, Inc., 896 F.2d 750 (3d Cir. 1990) (establishing rules concerning allocation of loss under Articles 3 and 4 of the UCC).