Gwen P. Weisberg is Of Counsel with the firm of Tanowitz Law Office, P.C. in Massachusetts, and a trained mediator. Gwen has extensive litigation experience in state and federal courts, through trial and appeal, including construction, corporate, commercial, real estate, surety and insurance defense litigation matters. She provides proactive risk management services to clients to assist in effectively operating their practices and avoiding litigation, including presenting industry innovations and legal developments, restructuring and redrafting contracts, and negotiating matters in advance of litigation to enable project delivery.

Employing her multi-state knowledge base, Gwen creatively and efficiently manages and resolves claims for design professionals throughout the United States. She evaluates realistic exposure to enable productive settlement negotiations, manage expectations and establish budgetary goals. Moreover, Gwen develops legal and fact-based defense strategies for success in alternative dispute resolution and trial. She has litigated student loan bankruptcy discharge proceedings, and mediated and arbitrated commercial and construction disputes, and represented clients before federal and municipal agencies and administrative boards.

Bar Admissions

  • Massachusetts
  • Connecticut
  • New York
  • First Circuit Court of Appeals
  • U.S. District Court – Eastern and Southern Districts


  • University of Massachusetts at Amherst, Bachelor’s Degree
  • Temple University School of Law, JD

Publications and Speaking Engagements

  • Speaker, “15 Most Controversial Contract Provisions,” American Council of Engineering Companies (ACEC) Fall National Conference (Oct. 2023)
  • Speaker, “Introduction to the Federal Acquisition Regulation and Indemnity Clauses,” American Council of Engineering Companies/Massachusetts (ACEC/MA) Risk Management Forum (Jan. 2023)
  • Speaker, “Strategies for Effectively Defending and Resolving Claims Through Alternative Dispute Resolution”, American Council of Engineering Companies (ACEC) National Conference (Oct. 2021)
  • Speaker, “Managing Client Expectations and Dispute Resolution”, Client Presentation (Sept. 2021)
  • Panelist, “Fundamental Construction Law”, Boston Bar Association; Dispute Resolution Presentation (May 2020)
  • Panelist, “Design Professional Trends 2019”, 4th Annual Construction Defect ExecuSummit (Dec. 2019)
  • Panelist, “How to Avoid Construction Disputes and Resolve Them Quickly,” Massachusetts Bar Association Real Estate Law Section and Development and Construction Group (Apr. 2019)
  • Speaker, “Immigration Pointers for Businesses,” Donovan Hatem Design Professional Roundtable (Nov. 2018)
  • Speaker, “Managing Uncertainty and Client Expectations as to Construction Costs in the Design and Construction Process,” Client Presentation (Nov. 2018)
  • Speaker, “Avoiding Claims Through Beneficial Contract Terms and Compliance with the Standard of Care,” Client Presentation (Oct. 2018)
  • Speaker, “Pitfalls, Mitigation of Risk and the Role of Standard of Care in Early Pricing of Projects,” AIA Large Firm Round Table (Sept. 2018)
  • Speaker, “Design Build,” CLM Conference (Jun. 2018)
  • Speaker, “Standard of Care,” Donovan Hatem Design Professional Roundtable (Apr. 2018)
  • Speaker, “Review of 2017 AIA Contract Documents Update,” Client Presentation (Apr. 2018)
  • Speaker, “Review of 2017 AIA Contract Documents,” Architect Boston Expo Conference (Nov. 2017)
  • Speaker, “Immigration” ACEC/MA (Nov. 2017)
  • Speaker, “Early Warning Signs and Problem Solving Approaches to Construction Phase Issues,” Donovan Hatem Design Professional Roundtable (Feb. 2017)
  • Speaker, “Practice Requirements for Design Professionals,” Donovan Hatem Senior Management Client Session (Feb. 2016)
  • Speaker, “Immigration,” Donovan Hatem Senior Management Client Session (Feb. 2015)
  • Speaker, “Recent Court Decisions That Impact Design Professionals,” Donovan Hatem Design Professional Roundtable (2015)
  • Guest Lecturer, “Art of Negotiations and Mediation,” Isenberg School of Management, UMass Amherst, Hospitality and Tourism Department (2015)
  • Speaker, “Immigration Pointers for Employers” (2011)
  • Contributing Author, “Design Build Project Delivery,” Professional Times (Fall 2018 CLM)
  • Author, “Employer Liability for Compliance with Export Control Laws” DH Benchmark (2011)
  • Author, “Reporting Requirements for Residents Maintaining Foreign Bank and Financial Accounts” DH Benchmark (2011)
  • Contributing Author, Chapter 4: Architect-Engineer Contracting, Federal Government Construction Contracts, Editors: Adrian L. Bastianelli III, Andrew D. Ness, Joseph D. West, published by American Bar Association (2010)
  • Author, E-Verify is Alive, Well, and Gaining Speed, DH Benchmark (Summer 2008)
  • Author, New Developments in Employment Verification, DH Benchmark (Winter 2008)
  • Author, Immigration Impact on Employment Practices, Donovan Hatem Design and Construction Management Professional Reporter (July 2007)