Boston Office
Salem Office
As a trusted DUI attorney in Boston Massachusetts, The Law Office of Matthew W. Peterson is here to defend your rights and protect your future. Facing charges for Driving Under the Influence (DUI) or Operating Under the Influence (OUI) is a serious and life-altering event. Our experienced team offers clear guidance and strong representation, working tirelessly to build a solid defense and achieve the best possible outcome. We are committed to standing by your side throughout the legal process, so you can move forward with confidence.
DUI and OUI laws in Massachusetts address individuals accused of operating a motor vehicle while under the influence of alcohol, drugs, or other impairing substances. These charges hinge on proving that a driver’s ability to operate a vehicle was impaired or their blood alcohol concentration (BAC) exceeded the legal limit of 0.08%.
DUI and OUI convictions carry severe penalties, including:
With years of proven experience, we’ve built a reputation as Boston’s top DUI/OUI defense law firm. Our commitment to legal excellence and personalized client care has earned us the trust of countless clients facing some of life’s most challenging moments.
DUI and OUI cases are complex, involving technical evidence, field sobriety tests, and procedural nuances. An experienced attorney can:
Our firm has successfully represented clients in various DUI cases, including:
With a commitment to thorough preparation and strategic defense, we have achieved favorable outcomes for clients facing DUI charges, ensuring that their legal rights are protected throughout the process.
CL Shop2025-02-09Trustindex verifies that the original source of the review is Google. I worked with William in my recent event, and everything was very smooth and went well. Willian was very nice in explaining everything I had to know. I highly recommend this office if you need any legal issues and advice. Angelo Diaz2025-02-05Trustindex verifies that the original source of the review is Google. Mr. Peterson was very professional, helpful and kind. Glad I reached out to him should've done it weeks ago saved me a lot of time and headaches. He answered all my questions big help. Tx MCMC H2025-01-29Trustindex verifies that the original source of the review is Google. William Manchinton Jr, is an outstanding attorney. When I was desperate and had nowhere to turn, with very limited time to find representation, he immediately stepped in and took my case. His compassion, expertise, and dedication were evident from the start. Within hours, he was fully engaged, excellent communication, thoroughly understanding the details of my case and advocating for me with incredible skill. Bill did an exceptional job representing me and ensuring justice was served. I am profoundly grateful for his efforts and highly recommend him to anyone in need of legal representation. His team was also outstanding, available and supportive . Elijah is an exceptional assistant. With Bill on your side, you can be rest assured that you're in capable, efficient, and compassionate hands. Thank you Bill! A.M.M.H Sherri Glennon2025-01-21Trustindex verifies that the original source of the review is Google. Very professional, kind and considerate! Very happy I hired him! Matthew is one of the best lawyers I ever met. He is punctual he is considerate and thoughtful. He doesn’t take on for a frivolous cases his goal is not to make a lot of money off you his goal is to get the job done and done well Larky Dozer2025-01-06Trustindex verifies that the original source of the review is Google. Matthew is not only a deeply knowledgable lawyer,... he's a warm and gracious person. Highly recommend. musnad alam2024-12-12Trustindex verifies that the original source of the review is Google. Elijah and Bill were the best lawyers to work with, they are extremely patient and they take your personal life seriously. They will make sure that your case is taken care of and records clear. Definitely will come back, if you’re ever in a bind this is the law firm that will make sure you’re taken care of. Kassy Doughty2024-12-12Trustindex verifies that the original source of the review is Google. As a vendor who services many law firms I must say that the individuals at Matthew W Peterson Law are THE BEST people to work with. Extremely efficient and responsive. I would suggest them time and time again.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Don’t wait until it’s too late. Contact The Law Office of Matthew W. Peterson immediately for a Consultation. Let us provide the trusted defense you deserve.
Our Practice Areas
We keep safe the rights of those who own guns and fight against gun-related charges.
We help with law help at early hearings and try to solve charges before court.
We stand for people in cases about keeping away or safe orders, making sure their rights stand.
We defend those said to sell bad drugs and try to cut down their charges or jail time.
We defend those said to drive drunk and aim to lessen the bad results of being found guilty.
We fight for people who want to fix unfair guilty rulings or want less time in jail.
Navigating complex immigration matters, including deportation defenses and visa applications.
Assisting clients with divorce, custody disputes, and other family-related legal issues.
We give our clients a comprehensive overview of their legal issues, gathering essential information to understand their unique situation.
After the initial discussion, we create a tailored strategic plan outlining how we aim to achieve the customer’s objectives.
Once the agreement is in place, we begin representing you, furnishing expert legal guidance and devoted advocacy throughout your case.
The Right Strategy to Win Your Criminal Case
Disclaimer: Although I am an attorney, I am not your attorney. Please do not rely on anything on our website as legal advice because any specific advice would depend on your situation. Any results posted on this page are not guarantees of outcomes in your case.
Our Locations
Boston Office
(Cheap parking! We validate parking at 136 Blackstone St, Boston, MA 02109 (Haymarket, Parcel 7 parking garage), $3 for three hours.)
Salem Office
Quick Links
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