• PDF
  • Bookmark and Share


  • J.D., Seton Hall University School of Law, 1998
  • B.A., Fairfield University, cum laude, 1995

    Judicial Intern, Honorable Lawrence Weiss, New Jersey Superior Court, Union County, NJ

Bar Admissions

  • Connecticut
  • New Jersey
  • New York
  • Rhode Island

Court Admissions

  • U.S. Court of Appeals, First and Second Circuits
  • U.S. District Court, District of Connecticut
  • U.S. District Court, District of New Jersey
  • U.S. District Court, District of Rhode Island
  • U.S. District Court, Eastern, Northern and Southern Districts of New York
  • U.S. Supreme Court

Memberships & Affiliations

American Bar Association

Rhode Island State Bar Association

Connecticut State Bar Association

Hartford County Bar Association

New York State Bar Association

Business Torts Committee of the Connecticut Bar Association

Jeffrey M. Thomen

  • |
  • T: 860.275.6726
    F: 860.724.3397

Mr. Thomen is an experienced trial lawyer with a diverse civil litigation practice. He litigates and counsels clients in the areas of product liability, construction defect, business torts, personal injury and real property. He has managed all phases of litigation and trial in state and federal courts throughout the U.S., and has appeared in virtually every ADR forum. Mr. Thomen also has handled appeals, including cases before the U.S. Supreme Court and various federal and state appellate courts.

Mr. Thomen regularly defends product liability claims against manufacturers of consumer products, commercial and industrial equipment. He represents clients before the Consumer Product Safety Commission (CPSC) in connection with product recalls and reporting activities, and has successfully negotiated with the CPSC to narrow the scope of several voluntary recalls. Mr. Thomen advises on the Consumer Product Safety Improvement Act, the Virginia Graeme Baker Pool and Spa Safety Act, the Federal Hazardous Substances Act, and the Flammable Fabrics Act. He is a leading expert on the CPSC’s consumer safety complaint database—www.SaferProducts.gov. He also advises on FTC regulations and warning, labeling, guarantee and warranty issues, and drafts warnings, warranties, guarantees, and product instructions for many makers of consumer products.

In his personal injury practice, Mr. Thomen defends manufacturers of consumer goods, pharmaceuticals, medical devices and asbestos-containing products in cases throughout the country. He has handled matters involving alleged catastrophic injuries, wrongful death and survivorship claims. Mr. Thomen practices throughout New England and has managed mass tort litigation nationwide.

On behalf of construction industry clients, Mr. Thomen has prosecuted and defended high-stakes claims involving alleged construction defect, construction accidents and contractual disputes. In the real property context, he has prosecuted commercial and complex residential foreclosure actions on behalf of financial institutions and other entities.

Mr. Thomen was recognized by the Connecticut Law Tribune among its “New Leaders in the Law” for 2012. He also was named a “Rising Star” in 2012 and 2018 by Connecticut Super Lawyers magazine, which selects an annual list of top young lawyers in Connecticut according to peer recognition and professional achievement. Super Lawyers is published by Thomson Reuters. Click here for their methodology. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.

Representative Matters

Fortune 100 Company
Represents and defends Fortune 100 company against mass tort and product liability claims throughout United States
National Health Insurer
Successfully defended national health insurer in multi-party litigation against HMO liability claims for alleged negligent treatment by a participating health care provider.
National Sweepstakes Advertiser
Represented national sweepstakes advertiser in consumer fraud and unfair trade practice litigation.
Internet Company
Successfully defended internet company against breach of contract and unfair trade practice claims arising out of use and operation of its website browser.


Jeffrey Thomen was quoted in Thomson Reuters, CNBC as well as several other publications regarding the litigation being filed against Toyota as a result of its recall of over 8 million of its vehicles
Jeffrey Thomen appeared on Bloomberg News' "Morning Call" regarding Toyota's handling of its vehicle recalls


Companies' Liability for Importing Defective Products: How to Mitigate Risk and Manage a Potential Recall
MeetChinaBiz, Executive Roundtable
Importing Defective Products: Who Is Liable, Mitigating Risk Through Due Diligence & Managing a Potential Recall -- What Your Business Should Know
MeetChinaBiz, Executive Roundtable