Leonard Law Office PC is a consumer protection law firm, dedicated to holding corporations accountable for harmful practices such as false advertising, unfair fees, overbilling schemes, employment law violations, and violations of state and federal consumer protection laws.

A partial list of past and present consumer protection class actions:


Preston W. Leonard is the founder of Leonard Law Office PC.  Before becoming a lawyer, he was a Child Protective Service Worker for New Hampshire’s Division for Children Youth and Families. He received his Juris Doctorate degree from Massachusetts School of Law with a CALI award for consumer law, and Bachelor of Science degree from Boston University.  He is a past member of the Massachusetts Bar Association’s Complex Commercial Litigation Committee, past member of the Massachusetts Academy of Trial Attorneys, and listed as a “Massachusetts Rising Star” in 2015, 2016, 2017, and “Top Rated Class Action & Mass Torts Attorney in Boston, MA” by Super Lawyers.

Client Reviews

Eric: “Attorney Preston Leonard represented me in a complex unpaid wage case. Despite my anxiety of taking on my perceived burden of legal action, Attorney Leonard was there each step of the way to make the very trying process as pleasant as possible. He demonstrated the upmost professionalism while also providing what felt like a personal investment in my case. Attorney Leonard is knowledgeable, astute, diligent, thorough, and meticulous in his work. His tremendous intellect impressed me throughout he process. I commend Attorney Leonard not only his excellent services, but also his deep compassion for those in need of justice.”

CM: “Preston is handling my class action suit against one of the biggest shyster landlords in the U.S. He is professional, reliable, diligent, knowledgeable about the law, and eager to fight for the “little guy.” He is very competent, returns all phone calls and emails promptly, and keeps me well informed and up-to-date on my case. I recommend him without reservation to anyone seeking justice and/or compensation for illegality and unfairness.”

J: “Preston listened to my issue, gave expert advice as well provided options for the course of action. When this was decided he swiftly drafted a detailed letter on my behalf and sent it to the Attorney General’s office. I highly recommend him due to his promptness, knowledge, and willingness to explain patiently.”

Roger: “Preston Leonard possesses all the qualities in a great lawyer.  Not only was he very detail-oriented and professional, he was also approachable, understanding, and dedicated to our case.  If need be, I will definitely work with him again and I will highly recommend Attorney Leonard to anyone in search of legal assistance in the Boston/Greater Boston area.”

Glen: “Attorney Leonard helped me when my credit card company unfairly charged me over $700.00 in fees. Because of his help, they realized they were wrong and immediately corrected the situation.”

Alexey: “Preston W. Leonard did such great job helping me with the worst financial contract I have ever had. In short time he took control, made phone calls and gave me all of the different ways to get out of my pathetic situation. That was something I couldn’t do for myself. The biggest barrier for me was the multiple lies of people at the other side of the phone. Together we found out the truth and came to the only right decision. Thanks for your professionalism Mr. Leonard. I’ll definitely suggest your service to my friends if they need it.  Thank you many times! I feel a huge weight has been lifted from my shoulders. Thanks!”

N: “Preston is an exceptionally caring and professional attorney.  He quickly returned my phone calls and kept me abreast of every development in my case.”

Jack: ‎“Mr. Leonard is a caring and professional attorney who works hard for what is right.”

Cheryl:‎ “Preston Leonard is one of most honorable people I’ve met. He is honest, straightforward, and completely reliable.

L: “Preston Leonard took me step by step through a very sensitive legal issue, and made sure that I was comfortable with the whole process, and also was instrumental in a successful resolution of my situation. Now I can rest easy. He is a great lawyer.”

Don: “I owe you and your colleagues a heartfelt thanks – so here goes – “thank you”


Moakley Courthouse, Boston




2 responses to “About

  1. T.

     I have a case I’m looking for someone to handle that could be landmark..

  2. Anonymous

    Preston, I just wanted to let you know that I really appreciate all the help with my case I had 2 years ago. I will always remember that. Thank you so much! Blessings!

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