Claire P. O’Brien
Associate Family Law Attorney
Claire P. O’Brien is a family law attorney at N.P. Weiss Law, where she works with individuals and families navigating divorce, custody, and other sensitive domestic relations matters. Claire chose family law because it allows her to support people during some of the most challenging moments of their lives, and she focuses on helping clients understand the legal process, feel supported, and make informed decisions from start to finish.
Claire approaches family law matters with thoughtful preparation, clear communication, and a client‑centered mindset. She is committed to helping clients navigate emotionally charged situations with professionalism and care, while advancing cases efficiently and responsibly. Her practice emphasizes clarity, practical guidance, and strategic problem‑solving tailored to each client’s circumstances.
Claire earned her Juris Doctor from Ohio Northern University Pettit College of Law, where she was actively involved in advocacy, leadership, and legal writing. She has authored and co‑authored multiple published articles in academic law journals and has been recognized for her research, writing, and oral advocacy throughout her academic career. Before joining N.P. Weiss Law, Claire gained hands‑on courtroom and client experience through internships and clerkships, including work with the City of Canton Prosecutor’s Office, where she participated in court proceedings, domestic violence interviews, and trial preparation. Outside of her practice, Claire enjoys running with her dog and traveling, and she values staying active and balanced both personally and professionally.
Education
Ohio Northern University Pettit College of Law, Ada OH, Juris Doctor Candidate, May 2025
Cornell University, Ithaca, NY, Business Contracts Certificate, June 2022
University of Pittsburgh, Pittsburgh PA, Master of Studies in Law, May 2021
University of Pittsburgh, Pittsburgh PA, Bachelor of Arts, Public & Professional Writing, April 2020, magna cum laude
Overview of Educational Accomplishments
Claire brings a strong academic foundation and litigation exposure to her family law practice.
She earned her Juris Doctor from Ohio Northern University Pettit College of Law, where she was deeply involved in advocacy, leadership, and legal writing. During law school, Claire served in multiple leadership roles, including President of the American Constitution Society and Treasurer of the Student Bar Association.
Before joining N.P. Weiss Law, Claire gained hands‑on courtroom and client experience through internships and clerkships, including work with the City of Canton Prosecutor’s Office, where she participated in misdemeanor trials, domestic violence interviews, and court proceedings. She also gained experience in legal research, drafting, and client intake while clerking at a Cleveland‑based law firm.
Bar Admissions
Ohio Supreme Court, 2025
United States District Court for the Northern District of Ohio, 2025
Bar Associations
Ohio State Bar Association, Member
Cleveland Metropolitan Bar Association, Member
Publications
International Law Journal: Trade Laws Between Northern Ireland and the Republic of Ireland Post Brexit
International Law Journal: International Implications of Rising Sea Levels and Changing of Maritime Borders
International Law Journal: Veiling Laws and Affiliated Protests in Iran
International Law Journal: The Housing Crisis in the Republic of Ireland with a Comparison to Spain’s Housing Crisis
Awards
Celebrezze Oral Arguments 2024, semi-finalist 2025
Cleveland History Symposium, November 2015, Medalist in research paper competition on President James A. Garfield, competing against Northeast Ohio regional colleges and published in the History Symposium newsletter and the website.
Presentations
Digital Media Showcase, April 2019: Presentation for the University of Pittsburgh’s new Community Engagement Centers in collaboration with the Hill District to communicate effective ways of sharing research results of the University’s research endeavors.
Ready to Take the Next Step?
If you are facing a family law matter and would like to discuss your situation, you can schedule a paid consultation with Nicholas Weiss, Managing Attorney at N.P. Weiss Law. During your consultation, Nick will review your concerns, explain your options, and help you determine the best path forward.

