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O'Brien, Jennifer Holly

Jennifer Holly O'Brien - Billerica, MA

Attorney at O’Brien Law Offices

Criminal Law Lawyers in Billerica, MA

630 Boston Road Billerica, MA 01821

  • Free Consultation
  • 1 Super Lawyers®
  • 30 Years 
    Experience

Billerica Criminal Law Lawyer

Updated: 03/03/2026

Areas of Practice

  • Criminal Law
  • Appellate Practice
  • Family Law
  • Personal Injury

Attorney Information

Awards and Honors

Super Lawyers® Selectees

SuperLawyers

Jennifer Holly O'Brien included in a Super Lawyers® list

Honors

  • Wicked Local Reader’s Choice Award – Honorable Mention, 2016 - Present
  • Wicked Local Reader's Choice Award - Second Place Regional Favorite, 2017 - Present
  • Wicked Local Reader's Choice Award - First Place Favorite in Billerica, 2017 - Present

Other Sources of Feedback About Jennifer Holly O'Brien

Included on the 2026 Massachusetts Super Lawyers list


Past Lists

  • 2025 Massachusetts Super Lawyers list
  • 2024 Massachusetts Super Lawyers list
  • 2023 Massachusetts Super Lawyers list
  • 2022 Massachusetts Super Lawyers list
  • 2021 Massachusetts Super Lawyers list
  • 2020 Massachusetts Super Lawyers list

Education

  • Legal Education

    • New England Law, Boston, Massachusetts, 1996
      Juris Doctorate
  • Non Legal Education

    • University of Massachusetts, Amherst, Massachusetts, 1992
      B.A
      Major: English

Current Employment Position(s)

  • Founder, since 1998

Classes and Seminars

  • Keynote speaker, Great Lowell Bar Association CLE “Appellate Advocacy”, 2010 - Present

Pro Bono Activities

  • Moot Court judge - Fitchburg State College, 2011-2013
  • Mock Trial Judge - Lowell High School, 2010

Published Works

Articles

  • Author of monthly column in the "Billerica Green" newspaper, 2009-2011

Bar Admissions

  • Massachusetts, 1996

Other Affiliations

  • Middlesex County Bar Advocate, 2004 - Present
  • Greater Lowell Bar Association, 2006 - Present (Member)
  • Greater Lowell Bar Association, Social Committee, 2012 - Present (Member)
  • Private Counsel Post Conviction Advocate, 1999 - Present

Reviews

Customer Reviews for Jennifer Holly O'Brien

5.0 out of 5
1 Review
Learn more about our review guidelines.
1 Review
  • 5
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Highlights

  • 5.0 Value
  • 5.0 Quality of Service
  • 5.0 Professional Competence
  • By Anonymous on Jun. 23, 2021
    Hired Attorney 2018-2019
    Recommends this Attorney
    Jennifer O’Brien is highly professional, thorough, dedicated and passionate about her cases. I would hire her over any other lawyer to represent me in any type of case. I know she would give it everything she has. I highly recommend her firm to get you the results you want whatever issue you have.
    Value: 5.0 out of 5
    Quality of Service: 5.0 out of 5
    Professional Competence: 5.0 out of 5

Photo

Contact

Google Map

Billerica, MA

630 Boston Road
Billerica, MA 01821

Directions

Phone: 978-419-2963

Fax: 978-528-5391

Email: Send a message

Website: http://obrienlawoffices.org/

Hours: Monday – Friday: 9am - 5pm, Saturday & Sunday: Closed

  • Free Consultations
  • Virtual Appointments

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