Advocates for NJ and PA
Workers & Their Families
Mark D. Laderman
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Mark D. Laderman joined Costello, Mains & Silverman, LLC in 2023 following seventeen years with a New Jersey boutique personal injury firm. At his former firm, Mark built an employment law practice representing employees in both New Jersey and Pennsylvania at the administrative, state, and federal level. As a trial attorney, he has dedicated his career to helping employees in need and brings that passion to Costello, Mains & Silverman, LLC.
Mark graduated from the Pennsylvania State University magna cum laude in 2000 and earned his J.D. from Temple University Beasley School of Law in 2005. While in law school, he was the managing editor of the Temple International & Comparative Law Journal and was recognized as an outstanding oral advocate. He currently resides in Bucks County, Pennsylvania with his wife, three children, and their dog.
Bar Admissions
- New Jersey, 2005
- Pennsylvania, 2005
- U.S. District Court District of New Jersey, 2005
- U.S. District Court Eastern District of Pennsylvania, 2008
- U.S. District Court Middle District of Pennsylvania, 2012
- U.S. Court of Appeals 3rd Circuit, 2009
Education
- Temple University Beasley School of Law, Philadelphia, Pennsylvania
- J.D. - 05/2005
- Honors: Dean's Honor List
- Honors: Managing Editor, Temple International & Comparative Law Journal
- Honors: Student Attorney, Philadelphia District Attorney’s Office
- Honors: Research Assistant, Professor Gregory Duhl
- Honors: • Outstanding Oral Advocate
- Pennsylvania State University, State College, Pennsylvania
- B.A., Bachelor of Arts - 05/2000
- Honors: magna cum laude
- Major: History
Practice Areas
- Employment