Best Lawyers Near You in Washington, District of Columbia for Antitrust Law
Mark S. Popofsky is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark S., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark S. is held by other top lawyers in the same geographic and legal practice area.
Michael D. Hausfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Michael D., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.
Thomas Mueller's antitrust practice focuses on global cartel enforcement matters, as well as merger and other investigations. Having practiced both in Brussels and Washington, Mr. Mueller has insight into antitrust issues on both sides of the Atlantic and has helped steer clients through the difficulties and opportunities created by the closer cooperation between the US and EU authorities. Chambers describes him as "a figure of great stature within criminal and cartel investigation circles" a...
David C. Kully is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. David C., 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 David C. is held by other top lawyers in the same geographic and legal practice area.
Mark R. Rosman is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark 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 Mark R. is held by other top lawyers in the same geographic and legal practice area.
Michael S. McFalls is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Michael S., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael S. is held by other top lawyers in the same geographic and legal practice area.
Jonathan S. Klarfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Jonathan S., 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 Jonathan S. is held by other top lawyers in the same geographic and legal practice area.
Joel R. Grosberg is co-head of McDermott’s Antitrust Mergers Focus Group and assists clients on civil and criminal antitrust matters, including obtaining merger clearances, counseling and litigation. He has represented clients in obtaining antitrust approvals in numerous challenging transactions, and in other government antitrust investigations before the Department of Justice, the Federal Trade Commission (“FTC”) and foreign competition authorities. Joel has significant exp...
Mary Sameera Van Houten Harper is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mary, 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 Mary is held by other top lawyers in the same geographic and legal practice area.
Thomas Ingalls is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Commercial Litigation. Thomas, 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 Thomas is held by other top lawyers in the same geographic and legal practice area.
Andrew Jensen is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Andrew, 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 Andrew is held by other top lawyers in the same geographic and legal practice area.
John O’Toole focuses his practice on antitrust and competition matters. Mr. O’Toole has experience representing clients in a wide range of antitrust and competition matters, including criminal investigations, civil litigation, counseling, and merger review. Mr. O’Toole frequently defends clients in cases involving allegations of price-fixing, anticompetitive information exchange, market allocation, bid rigging, no poach, wage-fixing, and monopolization. Mr. O’Toole has...
Leah S. Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law, Commercial Litigation and Litigation - Antitrust. Leah S., 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 Leah S. is held by other top lawyers in the same geographic and legal practice area.
Jacob (Chuck) Boyars is an antitrust and competition partner in Kirkland’s Washington, D.C., office. His practice focuses on antitrust issues relating to mergers and acquisitions, particularly merger reviews by the Federal Trade Commission and the U.S. Department of Justice, as well as general antitrust counseling.
Lisa M. Phelan is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Criminal Defense: White-Collar. Lisa M., 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 Lisa M. is held by other top lawyers in the same geographic and legal practice area.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.