Gregory P Hansel - Antitrust Trade Law profile photo

Gregory P Hansel

Preti, Flaherty, Beliveau, Pachios Llp | Law Offices of Gregory P Hansel • Portland, ME
Antitrust Trade LawAntitrust LitigationBusiness LitigationClass ActionsEmployment Law

Is this your profile?

Claim it for free to update your information and connect with clients.

Claim Profile →

Contact

Email
Phone
(855) 930-0521
Address
1 City Ctr # 9546, Portland, ME, 4101, US

Professional

About

**Gregory P. Hansel** **Location:** Portland, ME **Firm:** Preti, Flaherty, Beliveau, Pachios LLP | Law Offices of Gregory P. Hansel Gregory P. Hansel is a distinguished trial attorney based in Portland, Maine, renowned for his expertise in complex business litigation and antitrust matters. With a robust national and international practice, Greg has successfully represented both defendants and plaintiffs in some of the largest and most significant cases in Maine and beyond. His extensive experience includes advising overseas clients on U.S. legal issues, demonstrating his ability to navigate the complexities of cross-border litigation. Recognized in *Woodward/White's The Best Lawyers in America*, Greg was honored as the 2015 "Lawyer of the Year" for Mass Tort Litigation/Class Actions - Defendants. His notable achievements include serving as court-appointed co-lead counsel for direct purchasers in the landmark **In re Automotive Parts Antitrust Litigation**, which has secured over $45 million in partial settlements. This case is a pivotal part of the largest Department of Justice criminal antitrust investigation in U.S. history. In addition to antitrust litigation, Greg excels in various practice areas, including class actions, employment law, healthcare, personal injury, real estate, and more. His track record includes a remarkable $19 million jury verdict in a Missouri federal court for an international contract dispute, as well as recovering $32 million for a class of oil companies in Miami federal antitrust litigation. Furthermore, he has represented American missionaries in an antiterrorism case following tragic events in Colombia. With five arguments before the U.S. Judicial Panel on Multidistrict Litigation, Greg is a formidable advocate for his clients, providing expert legal counsel in a wide array of matters, including securities, intellectual property, fraud, and regulatory compliance. His commitment to excellence and results-oriented approach make him a trusted partner for clients navigating complex legal challenges.

About Antitrust Trade Law

Antitrust attorneys handle matters involving competition law, market practices, and trade regulations. They help businesses comply with antitrust laws and defend against claims. Common matters include price fixing, monopoly claims, merger review, trade practices.

Find more antitrust trade law attorneys →

Credentials

Education
1986 Virginia, University of JD - Juris Doctor 1982 Harvard University A.B., magna cum laude
Languages
English | French

Recognition & Involvement

Awards
2015 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 2014 Recognized for Commercial Litigation, Chambers USA: America's Leading Lawyers for Business
Publications
2009 American Bar Association, Section of Antitrust Law, Spring Meeting "Antitrust Class Certification After Hydrogen Peroxide"
Associations
American Bar Association Section of Antitrust Law
Speaking
2009 Spring Meeting "Private Damages Actions: An International Perspective"
Updated: May 25, 2026