John L. "Jack" Slimm
About John L. Slimm
John L. Slimm is a lawyer based in Mount Laurel, NJ and has been recognized in The Best Lawyers in America® since 2010. John L. Slimm is recognized in the following practice areas:
- Mount Laurel, New Jersey
- Legal Malpractice Law - Defendants
- Professional Malpractice Law - Defendants
Current Firm: Marshall Dennehey PC
Education: University of Notre Dame, J.D., graduated 1970
Location: Mount Laurel, NJ
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John represents a broad array of clients, ranging from Fortune 500 companies to smaller closely held businesses, facing diverse environmental issues. John is co-practice leader of the firm's New Jersey practice, is a partner in the firm’s environmental litigation group, and is also regularly called upon by clients to handle site remediation matters and complex negotiations with government entities and private parties. John’s work on contaminated sediment sites and related litigati...
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John C. Connell is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - First Amendment. John C., who practices law in Voorhees, New Jersey, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John C. is held by other top lawyers in the same geographic and legal practice area.
Steven R. Cohen is a name partner and shareholder at Selikoff & Cohen PA, where he represents individuals and unions in labor and employment matters. He is based in Mount Laurel, New Jersey. For more than 45 years, Steven has represented unions and union members before the New Jersey Supreme Court and other state trial and appellate courts, the Public Employment Relations Commission, the Office of Administrative Law, the State Board of Education, and other state agencies. His practice inc...
Jonathan Spergel is the immediate past managing partner of Manko, Gold, Katcher & Fox LLP in Bala Cynwyd, Pennsylvania, the environmental and energy law firm with which he started his legal career in 1993. He handles a wide variety of environmental legal issues, including the environmental aspects of commercial transactions and brownfields sites, environmental insurance procurement and coverage issues, public funding opportunities, regulatory compliance counseling, and litigation for comm...
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Mark J. Oberstaedt is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mark J., who practices law in Voorhees, New Jersey, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark J. is held by other top lawyers in the same geographic and legal practice area.
Former Chair of the American Bar Association's Superfund and Natural Resources Damages Litigation Committee, Shoshana (Suzanne Ilene) Schiller (she/her) is a partner in the firm’s litigation group, handling a wide range of disputes with particular experience in CERCLA, cost recovery, contribution and real estate litigation. Shoshana is AV® Preeminent® Peer Review Rated* through Martindale-Hubbell® and a Senior Fellow of the Litigation Counsel of America, trying jury and non-...
Thomas McKay III has tried in excess of 100 jury and non-jury trials and has participated in numerous arbitrations. He has secured numerous defense verdicts in actions involving six-figure and multimillion-dollar claims against his clients. He holds the designation of Certified Civil Trial Attorney by the Supreme Court of New Jersey.Tom represents clients across the United States. In 2005, he obtained a complete defense verdict on behalf of his client against a claim in excess of $150 million...
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