Marc Zucker
Partner
Biography
Marc Zucker is a commercial litigator and appellate advocate with more than four decades of experience representing businesses and individuals in complex legal disputes throughout Pennsylvania and New Jersey. At Weir LLP, his practice includes complex commercial litigation in state and federal courts, federal and state appellate practice and alternative dispute resolution.
In addition to his litigation practice, Marc Zucker serves as a neutral arbitrator and private mediator in commercial and consumer matters. He is a neutral arbitrator and mediator for the Commercial and Consumer Panels of the American Arbitration Association, an arbitrator for the Financial Industry Regulatory Authority (FINRA), an arbitrator for the Court of Common Pleas of Philadelphia County, and an arbitrator and mediator for the U.S. District Court for the Eastern District of Pennsylvania.
Marc Zucker has tried, arbitrated, and mediated disputes involving contracts, corporate governance, construction, real estate, banking, insurance, directors’ and officers’ liability, distributorships, bankruptcy, trade secrets, Uniform Commercial Code disputes, employment matters, business torts, class actions, derivative litigation, fiduciary litigation, professional liability claims, and disputes among principals of closely held businesses.
In 2023, Marc Zucker served as Chancellor of the Philadelphia Bar Association. He also was appointed in 2024 by the Pennsylvania Supreme Court to its Disciplinary Board to serve a three-year term as a Hearing Committee Member in the District 1 disciplinary district. He co-chairs the ADR Committee of the American Bar Association’s Litigation Section and is a member of its Federal Practice Task Force, after previously having co-chaired its Commercial & Business Litigation Committee and Corporate Counsel Committee.
Marc Zucker is also a longtime member of the volunteer panel of Commerce Program judges pro tempore assisting the Court of Common Pleas of Philadelphia County and serves as a mediator for the Court’s Eviction Diversion Program. In addition, he has served as a court-appointed receiver in commercial matters.
Clients and colleagues value Marc Zucker for his practical approach, responsiveness, and careful attention to complex legal and business issues.

Areas of Practice
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Bar Admissions
- Pennsylvania
- New Jersey
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Court Admissions
- Supreme Court of Pennsylvania
- Supreme Court of New Jersey
- U.S. District Court for the Eastern District of Pennsylvania
- U.S. District Court for the Middle District of Pennsylvania
- U.S. District Court for the District of New Jersey
- U.S. Court of Appeals for the Third Circuit
- U.S. Court of Appeals for the Eleventh Circuit
- U.S. Supreme Court
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Representative Matters
- Braun v. Wal-Mart Stores Inc., 659 EDA 2018 (Pa. Super.)(representation of co-lead counsel)
- Hadley v. Moranz, et al., 2018 WL 3967970 (Pa. Super. 2018), appeal denied, 207 A.3d 290 (Pa. 2019)
- Feldman & Pinto v. Seithel, 2011 WL 6758460 (E.D.Pa. 2011)
- Seithel v. Feldman & Pinto, 2011 WL 3924179, reconsid. denied, 2011 WL 4597367 (D.S.C. 2011)
- Stoss v. Singer Financial Corp., 2010 WL 678115 (E.D.Pa. 2010)
- In re Norvergence, 424 B.R. 663 (Bankr.D.N.J. 2010)
- Muhammad v. County Bank of Rehoboth Beach, 189 N.J. 1, 7, 912 A.2d 88 (2006)
- Wurtzel v. Park Towne Place Associates Limited Partnership, 2002 WL 31487894 (Phila. C.P. 2002)
- Regent National Bank v. Dealers Choice, 1997 WL 786468, 1997 U.S. Dist. LEXIS 19219 (E.D.Pa. 1997)
- Cohen v. Zarwin & Baum P.C., 1993 WL 460795, 1993 U.S. Dist. LEXIS 18055 (E.D.Pa. 1993), reconsid. denied, 1993 WL 532963 (E.D.Pa. 1993)
- Ritter v. Diasonics, 993 F.2d 225 (3d Cir. 1993)
- Herskowitz v. Nutri/System, 857 F.2d 179 (3d Cir. 1988)
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Education
- Haverford College, B.A.
- Villanova University School of Law, J.D.
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Honors
- Gerald Abraham Award for Service to Villanova Law School, 2018
- Commerce Judge Pro Tempore Award by Philadelphia Court of Common Pleas, 2017
- Committee Chair of the Year, Business Law Section, Philadelphia Bar Association, 2008
- Elected Life Fellow of the American Bar Foundation
- First Judicial District Pro Bono Roll of Honor
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Professional Affiliations
- American Bar Association
- Pennsylvania Bar Association
- Philadelphia Bar Association
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Community Involvement
- Hearing Committee Member, Pa. Disciplinary Board, 2024-present
- Chair, Pennsylvania Jewish Coalition, 2017 – 2023
- Chair, Jewish Community Relations Council of the Jewish Federation of Greater Philadelphia (JCRC) from 2007-2010
- Elected trustee of the Jewish Federation of Greater Philadelphia and member of its board of directors 2007-2010
- Ex-officio board member, Volunteers for the Indigent Program, 2020-2023
- Ex-officio board member, Public Interest Law Center, 2020-2023
- Ex-officio board member of Philadelphia Bar Foundation, 2020-2023
- Ex-officio board member of Jenkins Law Library, 2023-present
- Ex-officio board member of Global Philadelphia, 2023


