Atty. Thomas Michael Sullivan
Thomas Michael Sullivan is a lawyer practicing partnership, construction / development, criminal defense and 3 other areas of law. Thomas received a B.A. degree from Boston College in 1989, and has been licensed for 58 years.
Construction / Development & More Attorney · Serving Washington, DC · 58+ Years Experience
Profile Summary
About Thomas Michael Sullivan at a Glance
Thomas Michael Sullivan is a Bipartisan Policy Center based in Washington, District of Columbia. They have 58+ years of legal experience, licensed to practice since 1968. Their practice focuses on criminal defense, business, product liability, environmental, and government. Admitted to practice in Connecticut (1968), Massachusetts (1993), District of Columbia (1997), and New York (1999). Educated at Suffolk University Law School (J.D., 1993) and Boston College (B.A. English, 1989). Recognitions include Peer Reviewed. Serves clients in Washington, DC and the surrounding metropolitan area.
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About Thomas Michael Sullivan
- Thomas Michael Sullivan is a lawyer practicing partnership, construction / development, criminal defense and 3 other areas of law
- Thomas received a B.A. degree from Boston College in 1989, and has been licensed for 58 years
- Thomas practices in Washington, DC
Practice Areas Explained
Thomas Michael Sullivan's Areas of Legal Practice
Each practice area below reflects the types of cases Thomas Michael Sullivan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Criminal Defense in Washington
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Thomas Michael Sullivan is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in District of Columbia →
Business & Corporate Law in Washington
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Thomas Michael Sullivan is one of 497,491 business attorneys indexed nationally. Browse business attorneys in District of Columbia →
Product Liability in Washington
Thomas Michael Sullivan is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in District of Columbia →
Environmental Law in Washington
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
Thomas Michael Sullivan is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in District of Columbia →
Government & Administrative Law in Washington
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
Thomas Michael Sullivan is one of 131,162 government attorneys indexed nationally. Browse government attorneys in District of Columbia →
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.
Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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Professional Profile
Why Clients in Washington Choose Thomas Michael Sullivan
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 Michael Sullivan's practice in the field of criminal defense, business, product liability, environmental, and government.
Decade-Tested Legal Experience
Thomas Michael Sullivan brings 58+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Connecticut, Massachusetts, and District of Columbia, Thomas Michael Sullivan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering criminal defense, business, and product liability, Thomas Michael Sullivan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Washington
A Washington-based practice means Thomas Michael Sullivan attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Thomas Michael Sullivan Handles in Washington
Below is a representative sample of the types of matters Thomas Michael Sullivan has experience with under District of Columbia law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Thomas Michael Sullivan directly to discuss the specifics of your situation.
Search Reference
How People Find Thomas Michael Sullivan Online
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Thomas Michael Sullivan's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
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