Atty. David Michael Marquez
David Michael Marquez is a lawyer practicing litigation, administrative law, environmental law and 1 other area of law. David received a B.A. degree from Boston College in 1998, and has been licensed for 23 years.
Administrative Law & More Attorney · Serving Washington, DC · 23+ Years Experience
Profile Summary
About David Michael Marquez at a Glance
David Michael Marquez is an Off. of the Gen. Coun., Litig. Off. based in Washington, District of Columbia. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on litigation, environmental, and government. Admitted to practice in California (2003), U.S. District Court, Central District of California (2004), U.S. District Court, Southern, Northern and Eastern Districts of California and U.S. Court of Appeal (2006), and Rhode Island (2009). Educated at Northwestern University (J.D., 2003) and Boston College (B.A., 1998). Serves clients in Washington, DC and the surrounding metropolitan area.
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About David Michael Marquez
- David Michael Marquez is a lawyer practicing litigation, administrative law, environmental law and 1 other area of law
- David received a B.A. degree from Boston College in 1998, and has been licensed for 23 years
- David practices in Washington, DC
Practice Areas Explained
David Michael Marquez's Areas of Legal Practice
Each practice area below reflects the types of cases David Michael Marquez 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.
David Michael Marquez is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →
Environmental Law in Washington
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
David Michael Marquez 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.
David Michael Marquez 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 David Michael Marquez
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 David Michael Marquez's practice in the field of litigation, environmental, and government.
Decade-Tested Legal Experience
David Michael Marquez brings 23+ 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 California, U.S. District Court, Central District of California, and U.S. District Court, Southern, Northern and Eastern Districts of California and U.S. Court of Appeal, David Michael Marquez can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering litigation, environmental, and government, David Michael Marquez 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 David Michael Marquez 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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How People Find David Michael Marquez Online
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David Michael Marquez's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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