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O'Brien, Timothy P.

Timothy P. O'Brien - Greenbelt, MD

Attorney at Joseph, Greenwald & Laake, PA

Estates & Trusts Lawyers in Greenbelt, MD

6404 Ivy Lane Suite 400 Greenbelt, MD 20770 - 1417

  • 1 Super Lawyers®
  • 38 Years 
    Experience

Greenbelt Estates & Trusts Lawyer

Updated: 03/02/2026

Areas of Practice

  • Estates & Trusts

Attorney Information

Overview

Timothy O'Brien brings a wealth of legal, financial, and accounting knowledge to his analysis of his clients' needs. For more than two decades, Tim, a principal in the firm's Estates and Trusts Group, has advised clients on a wide range of estate and trust issues. He advises clients on their estate planning options and makes recommendations to avoid unnecessary taxes. He also assists with the administration of estates, trusts, and guardianships.

When necessary, Tim will seek court intervention to resolve disputed matters, whether the dispute involves a will contest, the validity of a trust agreement, or the recovery of misappropriated assets. Known for his tenacious advocacy, Tim doesn't shy away from complex or contested matters. In fact, Maryland judges regularly appoint Tim as a successor personal representative for estates that have been mismanaged by previous fiduciaries.

Tim has helped countless families navigate difficult situations, such as recovering estate assets that have been misused, settling tax liabilities with the IRS, and protecting assets for future generations.

In his spare time, Tim is a student of Irish history and an avid baseball fan, and has served as the treasurer for local, state, and national political campaigns.


Awards and Honors

Super Lawyers® Selectees

SuperLawyers

Timothy P. O'Brien included in a Super Lawyers® list

Honors

  • “D.C. Area’s Best Estates and Trusts Lawyers,” Washingtonian magazine, 2004 - Present
  • Best Lawyers in America, U.S. News & World Report

Other Sources of Feedback About Timothy P. O'Brien

Included on the 2016 Maryland Super Lawyers list


Education

  • Legal Education

    • University of Baltimore School of Law, Baltimore, Maryland, 1988
      J.D.
  • Non Legal Education

    • Frostburg State College, 1981
      B.S.

Current Employment Position(s)

  • Executive Committee
  • Principal

Bar Admissions

  • Maryland, 1988
  • District of Columbia, 1989
  • U.S. District Court District of Maryland, 1989
  • U.S. Tax Court
  • U.S. Supreme Court

Other Affiliations

  • Maryland State Bar Association (Member)
  • Prince George's County Bar Association (Member)
  • District of Columbia Bar Association (Member)
  • DeMatha Catholic High School (Board of Advisors, Former chairman)
  • St. Pius X Catholic Youth Organization (Former president and baseball coach)
  • Friends of Glenn Ivey (Treasurer)
  • For Maryland Jobs & Schools, Inc. (Treasurer)

Reviews

Customer Reviews for Timothy P. O'Brien

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  • By Anonymous on Oct. 16, 2020
    Hired Attorney 2019-2020
    As his bio says he'll use court intervention to solve disputes - which is really his preferred method of dealing with issues regardless of the facts at hand. He is the only one that benefits with a fat paycheck, and doesn't have the chops to defend any position. I'm sure he can draft a will but there are far more qualified attorneys that specialize in guardianship. He lied repeatedly to the court. Go somewhere else; he's unethical.

Contact

Google Map

Greenbelt, MD

6404 Ivy Lane
Suite 400
Greenbelt, MD 20770 - 1417

Directions

Phone: 240-297-1782

Fax: (301) 220-1214

Email: Send a message

Hours: Monday-Friday: 8:30am - 5:30pm, Saturday-Sunday: Closed

  • Credit Cards Accepted
  • Virtual Appointments

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