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Peter A. Biagetti


[email protected]



Peter measures litigation success by the business advantage gained for clients, not by the length of motions filed or depositions taken. To efficiently achieve that success, he isolates and exploits weaknesses in the opposition’s case, then executes in accountable increments. He often achieves a favorable resolution by preemptive motion — without extensive discovery — or by enlisting a mediator after establishing a position of strength. When trial is inevitable, Peter draws upon 36 years in the courtroom to craft engaging, pointed, and powerful presentations.

A trial and appellate lawyer, Peter concentrates on the prosecution, defense, and appeal of cases involving unfair business practices, Chapter 93A and related statutory claims, trade secret theft, breach of duty by business owners and officers, and business fraud. Peter has extensive trial experience in state and federal courts. At every opportune moment in all of his cases, Peter utilizes mediators, masters, and arbitrators to efficiently resolve disputed issues or to streamline them short of trial. Peter has served as one of the firm’s Managing Directors, and as a member of its Policy Committee.


  • Harvard Law School (JD)
  • Harvard University (BA)


  • Won a complete dismissal of a $360 million class action lawsuit alleging violations of RICO and the laws of over 25 states brought against one of the nation’s leading laboratories.
  • Served as co-counsel for for an American global communications company in a highly-publicized lawsuit brought by a Boston television affiliate seeking injunctive relief to compel the renewal of its affiliation beyond its scheduled expiration at the end of 2016.
  • Represented a pharmaceutical company in a case involving Lanham Act claims and counterclaims.
  • A two-week jury trial in which our client sued for breach of a multimillion-dollar vendor contract. The jury found liability on all counts, and the judge found unfair business practices sufficient to warrant the award to our client of reasonable attorneys’ fees.
  • Won a five-week jury trial in which our client, the co-founder and CEO of a very successful private company, was sued by stockholders on three $1.5 billion RICO claims arising out of alleged unfair business practices and breach of fiduciary duty. Two of those claims were defeated on pretrial motions to dismiss and for summary judgment, and the third was rejected by the jury.
  • Two-week jury trial in which our client sued to reverse the purported sale of a large leased portion of its corporate headquarters. The jury found liability for breach of contract and breach of duty, awarded damages including lost profits, and made an advisory finding of unfair business practices sufficient to warrant the award of multiple damages and reasonable attorneys’ fees to our client.
  • Represented a multinational professional services firm in a month-long jury trial in which our client admitted employee breach but denied claims of supervisory liability. The jury found no supervisory liability, and rejected claims for punitive damages and attorneys’ fees.
  • Represented an individual in a nine-month arbitration in which our client sued to protect its minority interest in a billion-dollar real estate from claims by the majority that a forced sale was warranted at a dramatic discount. The arbitration panel rejected that claim, preserved the full value of our client’s interest, and awarded attorney’s fees to our client.

Recognition & Awards

  • Best Lawyers in America: Commercial Litigation (2013 – 2020)
  • Massachusetts Super Lawyers: Business Litigation (2004 – 2019)
  • Martindale-Hubbell AV Preeminent
  • Jane Doe, Inc.'s Advocate for Justice Award


  • Past Co-Chair, Boston Bar Association Business Litigation Committee
  • Member, Civil RICO Report Editorial Advisory Board
  • Past Chair of the Board, Kenneth B. Schwartz Center
  • Board Member, Cause Fund, Inc.
  • Member, Campaign Cabinet of United Way of Massachusetts Bay and Merrimack Valley


Firm Partners with ACLU of MA in Lawsuit Against the President’s Travel Ban

February 7, 2017 | | By Susan Finegan, Susan Cohen, Elizabeth Burnett, Michael Gardener, Peter Biagetti

We are currently serving as co-counsel with the ACLU of Massachusetts, the Massachusetts Attorney General’s office, and others in a lawsuit against the president’s executive order curbing immigration by refugees and others traveling from seven majority Muslim countries.

News & Press

Fifty-one attorneys from Mintz have been named Massachusetts Super Lawyers for 2017 and thirty have been named Massachusetts Rising Stars.
Best Lawyers named 85 Mintz attorneys to its 2018 list of The Best Lawyers in America. In addition, Mintz attorneys Matthew J. Gardella and Samuel M. Tony Starr were named “Lawyer of the Year” in their respective practice areas.
Fifty-three Mintz attorneys have been named Massachusetts Super Lawyers for 2016 and thirty-one have been named Massachusetts Rising Stars. The findings will be published in the November 2016 issue of Boston Magazine and in a stand-alone magazine, New England Super Lawyers. 
Best Lawyers named 73 Mintz attorneys to its 2017 list of The Best Lawyers in America. Mintz attorneys selected for inclusion in this year’s list span 44 practice areas.