Grantham O'Brien Law

Verified

Family Law Attorney

5.0(4 Google reviews)

5 Fletcher St, Chelmsford, MA 01824, United States

Information last updated October 17, 2026

Practice Areas

Intellectual Property Bankruptcy Family Law

About Grantham O'Brien Law

Grantham O'Brien Law is a legal firm based in Chelmsford, Massachusetts, serving clients throughout Massachusetts and Florida. The firm provides guidance in family law, education law, and trademark and brand protection. Led by attorneys Tameka Grantham O'Brien and Chris O'Brien, the firm leverages over 30 years of combined legal experience to offer personalized strategies and client-centered legal care.

Tameka O'Brien, who founded the predecessor firm Grantham Law in 2011, focuses her practice on family law matters such as divorce, child custody, and spousal support. She also assists entrepreneurs and businesses with trademark registration and intellectual property protection. Chris O'Brien specializes in education law, advocating for students with disabilities, reviewing IEPs and 504 plans, and representing clients in disciplinary hearings and bullying cases. He also serves as a court-appointed Guardian ad Litem in Massachusetts Juvenile Courts.

Grantham O'Brien Law is committed to providing a confidential environment for clients, aiming to deliver sophisticated legal protection with a compassionate approach. The firm's process includes private consultations, strategic case planning, and unwavering advocacy to guide clients through complex legal issues.

From the firm’s website

Attorneys: Tameka O'Brien — Owner and Founder
Chris O'Brien
Services listed: Family Law, Education Law, Trademarks & Brand Protection
Founded: 2011

Source: granthamobrienlaw.com · checked October 17, 2026. Lawyers Near Me hasn’t independently verified these details.

Hours of Operation

Monday: 9 am–5 pm
Tuesday: 9 am–5 pm
Wednesday: 9 am–5 pm
Thursday: 9 am–5 pm
Friday: 9 am–5 pm
Saturday: Closed
Sunday: Closed

Details & Amenities

Accessibility

Wheelchair-accessible car park

Grantham O'Brien Law — Frequently Asked Questions

Where is Grantham O'Brien Law located?+

Grantham O'Brien Law is located at 5 Fletcher St, Chelmsford, MA 01824, United States. Use the "Get Directions" link on this page to navigate there.

What kind of cases does Grantham O'Brien Law handle?+

Grantham O'Brien Law handles Intellectual Property, Bankruptcy, Family Law. Confirm that they cover your specific legal matter during your first consultation.

How do I contact Grantham O'Brien Law?+

Call Grantham O'Brien Law at +1 978-341-5044 or visit their website. Many firms offer a free or low-cost initial consultation.

Is Grantham O'Brien Law well rated?+

Grantham O'Brien Law has a 5.0-star rating based on 4 Google reviews. Ratings are sourced from Google and shown for reference.

Client Reviews

4 reviews

Michael Gomez· via Google
i need a good lawyer
9 months ago
Joshua Iverson· via Google
Highly recommend Tameka and Grantham O'Brein Law. Tameka is a dedicated and caring client focused family lawyer attorney in the Westford who can help men and women navigate divorce custody and child care and more during the difficult times helps them prepare for better times.
a year ago
Laura Lay· via Google
I'm so grateful for everything Grantham O'Brien Law has done for me. They've been my rock through several legal challenges, always guiding me with patience, understanding, and real expertise. They took the time to listen and made sure I knew exactly what was happening every step of the way, which really eased my mind. Their team truly cares, and it shows in how they handle every detail and fight for the best outcome. I honestly don't know where I'd be without their support, and I highly recommend them to anyone who wants a legal team that's skilled, trustworthy, and genuinely compassionate.
a year ago
Dè· via Google
I am so grateful for the support and dedication my lawyer has shown throughout my case. From the very beginning, she took the time to listen to me, understand my situation, and guide me through a process that was often overwhelming and emotional. She explained things clearly, always kept me informed, and made sure I felt prepared before every court date. What impressed me the most was her compassion combined with strong advocacy in the courtroom. Tameka, fought for me with professionalism and skill, while also encouraging me and reminding me to stay focused on what truly matters. I never felt like just another client—she genuinely cared about my case and my future. I highly recommend Tameka O'Brien to anyone looking for an attorney who is not only knowledgeable and reliable, but also truly committed to helping their clients through difficult times.
a year ago

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