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Martha C. Gaythwaite

Martha C. Gaythwaite



  • Environmental
  • Environmental & Land Use
  • Business & Commercial Disputes
  • Appellate

WSG Practice Industries


Maine, U.S.A.

WSG Leadership

Product Liability
Litigation & Trial

As Chair of Verrill's Litigation and Trial Group, Martha leads a team of more than 40 attorneys, paralegals, and staff. An accomplished trial attorney committed to success on behalf of her clients, Martha is an ardent supporter of the civil jury system.

Martha has spent the bulk of her professional career representing clients before juries. At last count, Martha had tried more than 150 civil jury trial cases to verdict. Over the years, Martha has handled a wide variety of complex commercial matters throughout the country, including product liability cases arising from aviation, agricultural and workplace accidents, and medical devices.

In addition to handling jury trials, Martha has decades of experience handling non-jury and administrative matters. Although the focus of her trial work has involved product liability and commercial litigation, Martha has developed a dedicated interest in environmental law, which started when she worked for the U.S. Army Corps of Engineers before becoming a lawyer.

Bar Admissions

  • Massachusetts
  • Maine
  • Florida
  • Connecticut

Court Admissions
  • U.S. District Court for the District of Maine
  • U.S. District Court for the Middle District of Florida
  • U.S. District Court for the District of Massachusetts
  • U.S. District Court for the Southern District of Florida
  • U.S. Court of Appeals for the First Circuit


  • Suffolk University Law School  (J.D., cum laude)
    • Member, Suffolk University Law Review
  • University of Massachusetts, Amherst  (B.A., cum laude)
Areas of Practice

Appellate | Business & Commercial Disputes | Environmental | Environmental & Land Use | ERISA Litigation | Litigation & Trial | Product Liability & Mass Tort | Product Liability, Toxic Torts & Personal Injury Defense | Product Liability, Toxic Torts, & Personal Injury Defense

Professional Career

Professional Associations

  • Defense Research Institute
  • Product Liability Advisory Council (PLAC)
  • Maine State Bar Association
  • Maine Trial Lawyers Association
  • American Bar Association
  • American Board of Trial Advocates

Professional Activities and Experience

  • Fellow, International Academy of Trial Lawyers
  • Member, American Board of Trial Advocates
  • Recognized in Chambers USA: America's Leading Lawyers for Business under Litigation: General Commercial
  • AV® rated by Martindale-Hubbell
  • Named a Local Litigation Star for Aviation, Environmental, Mass Tort/Product Liability, Product Liability, and Shipping & Maritime by Benchmark Litigation
  • Named as one of the "Top 250 Women in Litigation" by Benchmark Litigation (2014-2021)
  • Named the Best Lawyers® 2021 Litigation – Insurance "Lawyer of the Year" in Portland, Maine
  • Named the Best Lawyers® 2019 Mass Tort Litigation/Class Actions - Defendants "Lawyer of the Year" in Portland, Maine
  • Named the Best Lawyers® 2018 Product Liability Litigation - Defendants "Lawyer of the Year" in Portland, Maine
  • Listed in The Best Lawyers in America© for Commercial Litigation, Litigation – Health Care, Litigation – Insurance, Mass Tort Litigation / Class Actions – Defendants, Personal Injury Litigation – Defendants, Product Liability Litigation – Defendants, and Professional Malpractice Law – Defendants in Portland, Maine
  • Selected by peers for inclusion in New England Super Lawyers© under Personal Injury - Products: Defense, Professional Liability: Defense, Personal Injury - General: Defense
  • Katahdin Counsel Recognition for pro bono efforts

To learn more about third-party ratings and rankings, and the selection processes used for inclusion, click here.


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WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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