Atty. Mark Mansour
Mark Mansour is a lawyer practicing congressional investigations & crisis management, health care, life sciences and 1 other area of law. Mark received a B.A. degree from Georgetown University in 1979, and has been licensed for 38 years.
Congressional Investigations & Crisis Management & More Attorney · Serving Washington, DC · 38+ Years Experience
Profile Summary
About Mark Mansour at a Glance
Mark Mansour is a Partner based in Washington, District of Columbia, practicing at Mayer Brown Llp. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on litigation and health care. Admitted to practice in Michigan (1988) and District of Columbia U.S Court of Appeals for the Federal Circuit U.S District Court for the Eastern (2003). Educated at Georgetown University Law Center (J.D., 1988) and Georgetown University (B.A., 1979). Serves clients in Washington, DC and the surrounding metropolitan area.
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About Mark Mansour
- Mark Mansour is a lawyer practicing congressional investigations & crisis management, health care, life sciences and 1 other area of law
- Mark received a B.A. degree from Georgetown University in 1979, and has been licensed for 38 years
- Mark practices at Mayer Brown LLP in Washington, DC
Practice Areas Explained
Mark Mansour's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Mansour 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.
Mark Mansour is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →
Health Care Law in Washington
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
Mark Mansour is one of 66,157 health care attorneys indexed nationally. Browse health care 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.
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Professional Profile
Why Clients in Washington Choose Mark Mansour
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 Mark Mansour's practice in the field of litigation and health care.
Decade-Tested Legal Experience
Mark Mansour brings 38+ 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 Michigan and District of Columbia U.S Court of Appeals for the Federal Circuit U.S District Court for the Eastern, Mark Mansour can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering litigation and health care, Mark Mansour 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 Mark Mansour 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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Mark Mansour's Practice Areas & Specializations
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