Atty. Thomas John Sullivan
Mr. Thomas John Sullivan is a lawyer practicing intellectual property, government.
Government & More Attorney · Serving Washington, DC · 10+ Years Experience
Profile Summary
About Thomas John Sullivan at a Glance
Thomas John Sullivan is an Attorney based in Washington, District of Columbia, practicing at Covington And Burling Llp. They have 10+ years of legal experience, licensed to practice since 2016. Their practice focuses on ip and government. Admitted to practice in Georgia (2016) and District of Columbia (2017). Serves clients in Washington, DC and the surrounding metropolitan area.
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About Thomas John Sullivan
- Mr. Thomas John Sullivan is a lawyer practicing intellectual property, government
- Thomas has been licensed for 10 years
- Thomas practices at Covington & Burling LLP in Washington, DC
Practice Areas Explained
Thomas John Sullivan's Areas of Legal Practice
Each practice area below reflects the types of cases Thomas John Sullivan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Intellectual Property in Washington
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Thomas John Sullivan is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →
Government & Administrative Law in Washington
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
Thomas John 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 John 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 John Sullivan's practice in the field of ip and government.
Decade-Tested Legal Experience
Thomas John Sullivan brings 10+ 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 Georgia and District of Columbia, Thomas John Sullivan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering ip and government, Thomas John 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 John 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 John Sullivan Handles in Washington
Below is a representative sample of the types of matters Thomas John 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 John Sullivan directly to discuss the specifics of your situation.
Search Reference
How People Find Thomas John Sullivan Online
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Thomas John Sullivan's Practice Areas & Specializations
Bar Admissions & Licensed Jurisdictions
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