About Grantham O’Brien Law

Tailored legal solutions in Family Law, Trademarks, Brand Protection, and Education Law.

We Protect What Matters Most – Your Family, Your Brand, Your Future.

At Grantham O’Brien Law, we are dedicated to providing expert legal guidance to individuals, families, and businesses across Massachusetts and beyond. With a client-first approach, we help you navigate complex legal matters with confidence and clarity.
Based in Chelmsford, MA, our firm proudly serves clients across the state and in surrounding communities, including Lowell, Westford, and Billerica. With over 30 years of combined experience, attorneys Tameka Grantham O’Brien and Chris O’Brien bring extensive legal expertise to every case.
We specialize in Family Law, Trademarks, Brand Protection, and Education Law. Whether you’re safeguarding your family’s future, protecting your brand, or resolving educational disputes, we offer tailored legal solutions designed to meet your unique needs.

Our trademark services are available nationwide, while we provide legal support across Massachusetts and Florida. No matter your location, Grantham O’Brien Law is here to offer personalized, effective legal counsel. Contact us today to schedule a consultation.

Meet Our Team

Experienced. Dedicated. Here for You.
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Attorney Tameka

Your Advocate for Family Law and Intellectual Property

After relocating from Florida to Massachusetts in 2010, Tameka O’Brien founded Grantham O’Brien Law to create a cutting-edge, client-focused law firm. Driven by her passion for innovation, she integrates client-centered technology with personalized legal services to deliver exceptional advocacy in two key areas: family law and trademark protection.

In family law, Tameka provides guidance and representation in divorce, custody, alimony, and child support matters. She approaches each case empathetically and precisely, ensuring her clients feel supported during challenging times.

Additionally, Tameka excels in helping entrepreneurs and businesses protect their brands through trademark registration. In today’s competitive marketplace, safeguarding intellectual property is more important than ever. Tameka offers comprehensive trademark services to help creatives and business owners secure their brands and build lasting legacies.

Tameka began her legal career as a criminal prosecutor with the Hillsborough County State Attorney’s Office in Tampa, Florida. She earned a Bachelor of Arts in Political Science from the University of South Florida and her Juris Doctor from Saint Thomas University School of Law in Miami. She is a proud member of both the Massachusetts and Florida Bars.

Tameka and her husband, Chris, live in Chelmsford, Massachusetts, with their two children, Daniel and Joseph, and their two lively golden retrievers, Lucy and Sadie.

Attorney Chris

Effective Representation, Advice, And Advocacy For Education And Special Education Matters

Chris O’Brien grew up attending public schools in Chelmsford, Massachusetts—a community he and Tameka now call home with their two boys. He earned his law degree from New England Law and a Bachelor of Arts in Business from Assumption University.

As a father of two, one of whom required an Individualized Education Program (IEP), Chris discovered his passion for education law through personal experience. Witnessing the challenges of navigating the IEP process firsthand, he dedicated his career to advocating for students with disabilities and their families.

Chris is highly skilled in writing and reviewing IEPs, attending IEP and Section 504 meetings, and representing clients in disciplinary hearings, bullying cases, Title IX investigations, and other school-related matters. His compassionate approach empowers families to access the resources and support they need to maximize their children’s educational opportunities.

In addition to his education law practice, Chris is actively involved in the Massachusetts Juvenile Courts, where he serves as a court-appointed Guardian ad Litem and attorney, helping families during pivotal moments in their lives.

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