Harry L. Manion  III - Manion Gaynor & Manning LLP

Harry L. Manion III

Listed in Best Lawyers since 2011

Harry L. Manion III is a founding partner of Manion Gaynor & Manning. Harry leads of a team of 35 trial lawyers which handles complex civil and white collar criminal litigation throughout the United States.

Harry has been lead or co-lead counsel in over 70 trials and has handled a vast array of civil litigation for such clients as Koch Industries, Sodexo, Nike, Lukoil, NSTAR (now Northeast Utilities), Dunkin Donuts, Panera Bread, A.W. Chesterton, and Vornado Realty. He also represents the owners of professional sports teams, professional athletes, agents, and coaches, as well as various CEOs and board chairs and several members of the media.

Harry was selected by his peers for inclusion in the book entitled Best Lawyers in America in the category of Complex Commercial Litigation Law for 2011, 2012, and 2013.

Harry graduated magna cum laude from Arizona State University and was an Editor of the Law Review at Boston College Law School. He was an Adjunct Professor of Law at Boston College Law School for 11 years (1993 – 2004). 

Additional Information

Speaking Engagements
  • Adjunct Professor of Law, Boston College Law School, 1993 - 2004
  • Faculty Member, National Trial Advocacy College
  • Lectures, U.S. Business Litigation and Jury Trials
  • Commentator, Local and National Television and Radio
Arizona State University, TempeBS 1974Boston College School of LawJ.D. 1978
Massachusetts Bar AssociationAmerican Bar Association

Office Location

Oliver Street Tower, Sixth Floor
125 High Street
Boston, MA 02110
United States


Lawyer of the Year Awards

2015 Lawyer of the Year in Corporate Law of the Boston Metro Area
Harry L. Manion III has earned a Lawyer of the Year award for 2015!

Practice Areas

Commercial Litigation
Corporate Law
Mass Tort Litigation / Class Actions - Defendants

Other Information

Gender: Male