Photo of the attorneys of Costello, Mains and Silverman, LLC

Advocates for NJ and PA
Workers & Their Families

Partners and Counsel of Costello, Mains & Silverman, LLC

Jacob A. Gilbert

Jacob A. Gilbert


Mount Laurel Township, NJ



Jacob Gilbert joined Costello & Mains in 2023. He graduated from Temple University in 2017 and Rutgers Law School in 2022.

While in law school Jacob participated in Rutgers Law's Hunter Moot Court, where he and his teammate won Best Brief for a Plaintiff Team. This was a great opportunity to practice both oral and written advocacy skills in preparation for his career. Jacob was also the Senior Articles Editor for the Women's Rights Law Reporter. Additionally during law school, Jacob worked helping represent clients in personal injury matters for a firm in Moorestown. Following graduation, Jacob clerked for the Honorable Judge Jennifer Harlacher Sibum in the Monroe County Court of Common Pleas.

Bar Admissions

  • New Jersey, 2023


  • Rutgers School of Law - Camden, Camden, New Jersey
    • J.D.
    • Honors: Women’s Rights Law Reporter, Senior Articles Editor
    • Honors: Hunter Moot Court, Best Brief Plaintiff Team and Board Member
  • Temple University, Philadelphia, Pennsylvania
    • 2017
    • Honors: Distinction in Major