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Gregory P Hansel

Litigation Attorney at Portland, ME

Not yet reviewed

also known as Greg Hansel

  • State Years
    Maine - ME 26 years
    Dist. of Columbia - DC 35 years
    Florida - FL 37 years
  • Licensed for 26 years
    State ME
    Acquired 1997
    Active No misconduct found
  • Licensed for 35 years
    State DC
    Acquired 1988
    Good Standing No misconduct found
  • Licensed for 37 years
    State FL
    Acquired 1986
    Member in Good Standing No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Gregory

Learn Gregory’s areas of practice.

Greg Hansel is recognized nationally as a trial lawyer in complex business litigation. 

He has won victories for defendants and plaintiffs in some of Maine's largest cases and maintains a national and international litigation practice. He frequently advises overseas clients on U.S. legal matters. He is listed in Woodward/White's The Best Lawyers in America, which named him 2015 "Lawyer of the Year" for Mass Tort Litigation/Class Actions - Defendants. He currently serves as court-appointed co-lead counsel for direct purchasers in In re Automotive Parts Antitrust Litigation, a series of private civil actions, with more than $45 million in partial settlements to date, that stem from the largest Department of Justice criminal antitrust investigation in U.S. history. In other recent cases, he won a $19 million jury verdict as lead trial counsel in Missouri federal court in an international contract dispute; recovered $32 million for a class of oil companies in federal antitrust litigation in Miami; and brought an antiterrorism case on behalf of American missionaries murdered in Colombia. He has argued five times before the U.S. Judicial Panel on Multidistrict Litigation.

Greg is experienced in class actions, antitrust and trade regulation, international, securities, construction, corporate, intellectual property, products liability, mass torts, contract, fraud, healthcare, whistleblower, Qui Tam, False Claims Act, RICO, employment, real estate, land use, technology, lender liability, professional malpractice, personal injury, wrongful death, fidelity and surety, insurance, arbitration and mediation.

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Preti, Flaherty, Beliveau, Pachios Llp
1 City Ctr # 9546
Portland, ME, 04101-6420
Gregory P Hansel
Po Box 9546
Portland, ME, 04112-9546
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AVVO RATING 9.7 (Superb)

Work Experience

  • Partner
  • Preti Flaherty Beliveau & Pachios
  • 1997 - Present


  • Virginia, University of
  • JD - Juris Doctor
  • 1986
  • Harvard University
  • A.B., magna cum laude
  • 1982


  • American Bar Association
  • Section of Antitrust Law
  • N/A

Languages Spoken

  • English
  • French

Honors and Awards

  • Lawyer of the Year, Mass Tort Litigation/Class Actions Defense
  • Best Lawyers in America
  • 2015
  • AV Preeminent™
  • Martindale Hubbell
  • 2015
  • Commercial Litigation - Defendants, Plaintiffs
  • Best Lawyers in America
  • 2015
  • Mass Tort Litigation/Class Actions - Plaintiffs
  • Best Lawyers in America
  • 2015
  • Recognized for Commercial Litigation
  • Chambers USA: America's Leading Lawyers for Business
  • 2014
  • Antitrust Litigation, Class Action/Mass Torts
  • Super Lawyers
  • 2014
  • Business Litigation
  • Super Lawyers
  • 2014
  • Litigation Star, Antitrust Litigation
  • Benchmark Litigation
  • 2014
  • Litigation Star, General Commercial and Securities Litigation
  • Benchmark Litigation
  • 2014
  • Board Certified in Antitrust and Trade Regulation Law
  • The Florida Bar
  • 2007
  • Board Certified in Business Litigation Law
  • The Florida Bar
  • 1996
View all awards


  • American Bar Association, Section of Antitrust Law, Spring Meeting
  • "Antitrust Class Certification After Hydrogen Peroxide"
  • 2009

Speaking Engagements

  • Spring Meeting
  • "Private Damages Actions: An International Perspective"
  • 2009

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