Timothy P. O'Brien

Caitlin Orr is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Caitlin, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caitlin is held by other top lawyers in the same geographic and legal practice area.

Joshua B. Waxman is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Joshua B., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joshua B. is held by other top lawyers in the same geographic and legal practice area.

Larry has significant experience in government contract consultation and litigation. His practice sees him handling significant bid protests before the U.S. Government Accountability Office (GAO) and the Court of Federal Claims, as well as internal investigations. Clients commend Larry’s “excellent command of government protest law and strategy” ( Chambers USA ) and how he “excels in litigation of government contracts and due diligence in the context of M&A” ...

Nigel L. Wilkinson is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Nigel L., who practices law in Reston, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nigel L. is held by other top lawyers in the same geographic and legal practice area.

Timothy J. Jessell is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Timothy J., who practices law in McLean, Virginia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy J. is held by other top lawyers in the same geographic and legal practice area.

Brian Nixon’s practice spans advertising, technology, emerging media and privacy, with particular focus on clients implementing targeted advertising strategies and other data-driven marketing initiatives across various media channels. He provides forward-thinking counsel to clients ranging from startups (including social media platforms and emerging media ventures) to Fortune 500 companies. He advises organizations of all sizes on data optimization, mobile commerce, Telephone Consumer P...

Perry Lange represents clients in diverse antitrust matters before US courts, the US Department of Justice and Federal Trade Commission, state attorneys general and Congress. He has extensive experience litigating antitrust cases, including trials and appeals, securing merger clearance, and defending state and federal investigations. He has also represented a diverse set of clients in antitrust policy matters such as congressional investigations and hearings in both the House and Senate, incl...

Joanne Jacobson is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Joanne, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joanne is held by other top lawyers in the same geographic and legal practice area.

Mimi Y. Liu is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Mimi Y., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mimi Y. is held by other top lawyers in the same geographic and legal practice area.

Paul Smollar has been practicing family law for more than forty years, and has become a leader in Collaborative Practice in the Washington Metropolitan Area. Recognized as the only trained mediator in the District of Columbia by the American Academy of Matrimonial Lawyers, Mr. Smollar nevertheless is an accomplished litigator when matters do not settle. Mr. Smollar practices in both the District of Columbia and Virginia and is an active member of the Fairfax County Bar, the Virginia Trial Law...