M. Karen Thompson

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Areas of Practice

Bar Admissions

    • New Jersey
    • New York
M. Karen Thompson is a Super Lawyer!
M. Karen Thompson is Peer Review Rated
Certified by the Supreme Court of New Jersey  as a Civil Trial Attorney
  • U.S. District Court
    • District of New Jersey
    • Southern District of New York
    • Eastern District of New York
  • U.S. Court of Appeals
    • Third Circuit
  • U.S. Supreme Court


  • Rutgers School of Law - Newark
    • J.D., 1978
  • Monmouth University
    • B.A., magna cum laude, 1974

Professional Affiliations

  • New Jersey State Commission of Investigation
    • Commissioner,1995-2001
  • Supreme Court Advisory Committee on Judicial Conduct
    • 1998-2012
  • Supreme Court Committee on Civil Practice
    • 1990-2000
  • Supreme Court Committee on Trial Attorney Certification
    • 1992-1998
  • District XIII Ethics Committee
    • Chair, 1988-1989
  • Somerset County Bar Association
    • President, 1992-1993
  • New Jersey State Bar Association
    • Products Liability Section
    • Employment Law Section
  • New Jersey Women Lawyers Association
  • New Jersey Defense Association
  • Defense Research Institute
  • New Jersey Audubon Society
    • Board of Directors



(Click here for a complete list of Publications)


(Click here for a complete list of Presentations)

M. Karen Thompson, a member of the firm, has been certified by the New Jersey Supreme Court as a Civil Trial Attorney since 1987. She has extensive experience in complex corporate and commercial litigation. She has defended both Fortune 50 and Fortune 500 companies in a broad range of matters on the trial and appellate levels.

Karen’s practice is currently divided between products liability defense and employment litigation. She regularly defends equipment manufacturers, chemical, pharmaceutical and tobacco companies and other entities in products liability actions, including class actions and suits seeking medical monitoring. In addition, she defends management against claims of wrongful discharge, violation of whistleblower statutes, all forms of discrimination and sexual harassment in both state and federal courts, as well as before administrative agencies. She has also represented boards of various entities in defending against claims of mismanagement, breach of fiduciary duty, conspiracy, and discrimination.

As a qualified mediator, Karen mediates civil lawsuits in regard to employment or product liability claims.

Karen has received an "AV" rating from Martindale-Hubbell, its highest accolade. For an eighth year, she has been selected for inclusion in the Business Litigation section of New Jersey Super Lawyers® 2014. Only five percent of New Jersey attorneys are given this honor. Karen is listed in the Product Liability Litigation – Defendants, Employment Law – Management, and Litigation – Labor & Employment Law sections of the current edition of The Best Lawyers In America.  She has been included among the Outstanding Women in Somerset County by the Commission on the Status of Women, for her leadership role in a variety of organizations. Karen authored numerous publications on subjects including products liability, employment claims, and directors’ and officers’ liability.

Prior to joining the firm, Karen served as a law secretary to the Honorable Morton I. Greenberg, Superior Court of New Jersey, Chancery Division.

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  • "Current Wage & Hour Challenges," Norris McLaughlin & Marcus, P.A., Bridgewater, New Jersey, February 24, 2010
  • "Managing Products Liability Risk for Manufacturers and Distributors," Norris McLaughlin & Marcus, Bridgewater, New Jersey, November 11, 2009
  • "Hot Topics in Labor & Employment Law 2009," Norris McLaughlin & Marcus, P.A., Bridgewater, New Jersey, June 18, 2009
  • "When to Call Your Lawyer: A Seminar for Business Owners & Executives," NMM Women's Forum Seminar, Bridgewater, New Jersey, November 18, 2008
  • "2008 Hot Topics in Labor & Employment Law," Norris McLaughlin & Marcus, P.A., Bridgewater, New Jersey, June 17, 2008
  • Speaker, HR Roundtable, Commerce & Industry Association of New Jersey, Paramus, New Jersey, February 7, 2007
  • Speaker, 2007 Corporate Counsel Institute, sponsored by the New Jersey Institute for Continuing Legal Education in association with the New Jersey State Bar Association, New Brunswick, New Jersey, January 24, 2007
  • "I'm Liable for What? Employers Liability for Policing Pornography in the Workplace," Hot Topics in Labor & Employment Law 2006, Norris McLaughlin & Marcus Seminar, June 1, 2006, Bridgewater, New Jersey

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