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Erik Sardiña’s practice includes all aspects of civil litigation in both federal and state courts with a particular focus on complex commercial litigation, class action and multidistrict proceedings, construction matters, product liability, employment practices liability, labor and employment defense, including discrimination and whistleblower cases, antitrust and appellate practice. He also concentrates his practice on food, drug, and cosmetics litigation and compliance matters include FDA, FTC, and USDA law and regulation.

His experience also includes representing public entities in civil rights litigation as well as appellate matters in the United States Supreme Court, New Jersey Supreme Court, and Court of Appeals for the Third Circuit. He previously completed judicial internships with then-magistrate Hon. Michael A. Shipp, U.S.D.J. in the United States District Court for the District of New Jersey and the Hon. Nestor F. Guzman, J.S.C. in the Superior Court of New Jersey.

He has contributed to several editions of New Jersey Federal Practice Rules – Annotated, a commentary to the United States District Court for the District of New Jersey’s Local Rules. Mr. Sardiña is a member of the Association of the Federal Bar of the State of New Jersey and the Hispanic Bar Association of New Jersey, amongst others.


  • New Jersey
  • New York
  • U.S. District Courts
    • U.S. District Court for the Eastern District of New York
    • U.S. District Court for the Southern District of New York
    • U.S. District Court for the District of New Jersey
  • U.S. Court of Appeals
    • U.S. Court of Appeals for the Third Circuit


  • Seton Hall University School of Law – J.D.
  • Boston College – B.A.

Representative Matters

GBForefront, L.P. v. Forefront Mgmt. Grp., LLC, 888 F.3d 29 (3d Cir. 2018) – revived client’s breach of contract and unjust enrichment suit and abrogated Third Circuit precedent to establish new jurisdictional requirement that the citizenship of a traditional trust is determined differently than a business trust and is based solely on the citizenship of its trustee.

Heffernan v. City of Paterson, 668 Fed. App’x 435 (3d Cir. 2016) – successfully defended the constitutionality of a municipal employee policy prohibiting overt involvement in political campaigns on remand from the Supreme Court of the United States.


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