Margaret M. Witherup

Smith R. Brittingham IV is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Smith R., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Smith R. is held by other top lawyers in the same geographic and legal practice area.

Mr. Scheineson is a partner in the Washington, D.C., office, where he heads the firm’s Food and Drug Law Practice. He advises companies on a wide range of issues, including product approvals, marketing, clinical studies and enforcement. Previously, he served as the associate commissioner for legislative affairs of the Food and Drug Administration. He was involved there in many agency innovations, including prescription drug user fees, debarment, medical device amendments and nutritional...

David W. Foster is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law. David W., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David W. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Rustum is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Michael J., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Milton Marquis is a member of the State Attorneys General Practice and has developed an active antitrust and consumer protection litigation practice. He served with the government for 14 years at the U.S. Department of Justice and the offices of the attorneys general of Virginia and Massachusetts. In private practice, Milton has represented major companies on a wide range of antitrust and consumer protection investigations and litigations involving state attorneys general across the United St...

Anessa Abrams is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Anessa, 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 Anessa is held by other top lawyers in the same geographic and legal practice area.

Katherine D. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Katherine D., who practices law in Reston, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine D. is held by other top lawyers in the same geographic and legal practice area.

Kwame Manley is the Global Co-Chair of the Paul Hastings Litigation Department, and the former Chair of the Investigations and White Collar Defense practice at Paul Hastings. Based in the firm's Washington, D.C. office, Mr. Manley focuses his practice on white-collar criminal defense, internal corporate investigations, and complex civil litigation. A former federal prosecutor, Mr. Manley defends individuals and companies before various agencies, including the U.S. Department of Justice (DOJ),...

Walter D. Kelley, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Antitrust and Mass Tort Litigation / Class Actions - Plaintiffs. Walter D., who practices law in Alexandria, Virginia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Walter D. 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.