Atty. Thomas Mueller
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.
Antitrust Law & More Attorney · Serving Washington, DC
Profile Summary
About Thomas Mueller at a Glance
Thomas Mueller is a litigation attorney based in Washington, District of Columbia, practicing at Wilmer Cutler Pickering Hale and Dorr LLP. Admitted to practice in District of Columbia, The District of Columbia Bar, Massachusetts, Massachusetts Bar Association, and New York, New York State Bar Association. Educated at Harvard University (J.D., 1990) and Williams College (BA, 1987). Recognitions include Best Lawyers in America — Antitrust Law (2026), Best Lawyers in America — Litigation - Antitrust (2026), and Best Lawyers in America — Awards: (2026). Serves clients in Washington, DC and the surrounding metropolitan area.
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About Thomas Mueller
- 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" and "a creative strategist, which makes him a perfect choice for this often complicated and rapidly moving area."
Practice Areas Explained
Thomas Mueller's Areas of Legal Practice
Each practice area below reflects the types of cases Thomas Mueller handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Civil Litigation in Washington
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
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Jurisdictional Context
Why Local Counsel Matters in Washington
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.
Washington Courts and Legal Process
Choosing a Washington-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
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Professional Profile
Why Clients in Washington Choose Thomas Mueller
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Thomas Mueller's practice in the field of litigation.
Multi-State Bar Admission
Licensed in District of Columbia, The District of Columbia Bar, Massachusetts, Massachusetts Bar Association, and New York, New York State Bar Association, Thomas Mueller can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Focused Litigation Practice
Concentrating on litigation means Thomas Mueller's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Washington
A Washington-based practice means Thomas Mueller attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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Thomas Mueller's Practice Areas & Specializations
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