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Cara O'Brien

Attorney Profile

Top Rated Personal Injury Attorney in Baltimore, MD

The Law Office of Evan K. Thalenberg, P.A.
216 East Lexington Street
Baltimore, MD 21202
Phone: 410-874-0743
Fax: 410-625-9200
Selected to Rising Stars: 2017, 2019 - 2022
Licensed in Maryland Since: 2007
Practice Areas: Personal Injury - General: Plaintiff (90%), Personal Injury - Medical Malpractice: Plaintiff (10%)
Attorney Profile

An attorney at the Law Office of Evan K. Thalenberg, P.A., Cara O’Brien focuses her practice on personal injury and wrongful death litigation. The firm is based in Baltimore, Maryland, and she provides representation to clients throughout the greater Baltimore metropolitan area and other parts of the state. Admitted to practice in Maryland since 2007, Ms. O’Brien is also admitted to practice before the U.S. District Court for the District of Maryland.

Ms. O’Brien attended Loyola University Maryland in Baltimore as an undergraduate, and in 2004, she received a Bachelor of Business Administration summa cum laude with a major in economics and a minor in mathematics. Remaining in the city for her legal education, she enrolled at the University of Maryland Francis King Carey, obtaining her Juris Doctor cum laude in 2007. After clerking for a judge on the Circuit Court for Harford County, Maryland, Ms. O’Brien joined her current firm in August 2008, and in October 2015, she was named as its managing attorney.

A significant portion of Ms. O’Brien’s practice has involved her representation of children who have been harmed by lead-based paint in their homes. She has also worked on other types of personal injury and wrongful death cases, including medical malpractice and motor vehicle accidents, and throughout her career, she has been able to obtain millions of dollars for her plaintiff clients through both jury awards and negotiated settlements. This successful track record has led to Ms. O’Brien’s receipt of several honors from her fellow professionals, including her membership in the invitation-only Million Dollar Advocates Forum and an "Excellent" peer review rating through Avvo.

Practice Areas
  • 90%Personal Injury - General: Plaintiff
  • 10%Personal Injury - Medical Malpractice: Plaintiff
Focus Areas

Personal Injury - Plaintiff, Premises Liability - Plaintiff, Medical Malpractice, Birth Injury


5 Years Rising Stars
  • Rising Stars: 2017, 2019 - 2022

About Cara O'Brien

First Admitted: 2007, Maryland

Professional Webpage:


  • Selected by The Daily Record as a 2019 Leading Women awardee
  • Board of Directors for Community Law in Action
  • Maryland Super Lawyers Rising Stars: 2017, 2019

Pro bono/Community Service

  • Former Mentor: Big Brothers Big Sisters of the Greater Chesapeake

Bar/Professional Activity

  • Women’s Caucus for the Maryland Association for Justice
  • Women’s Bar Association of Maryland
  • Peer Review Committee for the Attorney Grievance Commission of Maryland
  • U.S. District Court for the District of Maryland
  • Multi-Million Dollar Advocates Forum
  • Maryland Association for Justice
  • Baltimore City Bar Association
  • Anne Arundel County Bar Association
  • American Association for Justice
  • Maryland

Educational Background

  • Loyola University Maryland, Bachelor of Business Administration, summa cum laude, major in economics and minor in mathematics, 2004
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Office Location for Cara O'Brien

216 East Lexington Street
Baltimore, MD 21202

Phone: 410-874-0743

Fax: 410-625-9200

Last Updated: 9/18/2021

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