Timothy P. O'Brien

Timothy P. O'Brien

Joseph Greenwald & Laake, P.A.

Recognized since 2013

Greenbelt, Maryland

Practice Areas

Trusts and Estates

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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.

  • 6404 Ivy Lane, Suite 400
    Greenbelt, MD 20770-1417
  • Frostburg State University, B.S., graduated 1981
Bar Admissions
  • Maryland, Maryland
  • District of Columbia, District of Columbia
  • For Maryland Jobs & Schools, Inc - Treasurer
  • Friends of Glenn Ivey - Treasurer
Court Admissions
  • U.S. District Court for the District of Maryland, 1989
  • U.S. Tax Court
  • U.S. Supreme Court

Recognized in The Best Lawyers® in America 2023 for work in:
  • Trusts and Estates
  • Best Lawyers in America, U.S. News & World Report
  • “D.C. Area’s Best Estates and Trusts Lawyers,” Washingtonian magazine, 2004

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