Atty. Mary Rosewin Sweeney

Atty. Mary Rosewin Sweeney

Mary Rosewin Sweeney is a lawyer practicing environment & energy law, agriculture law, environmental law and 1 other area of law. Mary received a A.B. degree from Georgetown University in 1977, and has been licensed for 41 years.

Baltimore Baltimore 41 yrs experience 41 year
Call (443) 901-5818 Book Appointment

Profile Summary

About Mary Rosewin Sweeney at a glance

Mary Rosewin Sweeney is a Partner based in Baltimore, Maryland, practicing at Venable LLP. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on environmental, government, agriculture, and energy. Admitted to practice in Maryland U.S. District Court for the District of Maryland U.S. Court of Appeals for the Fourth Circu (1985). Educated at Georgetown University Law Center (J.D., 1984) and Georgetown University (A.B. Johns, 1977). Recognitions include AV Preeminent. Active member of Memberships American Bar Association. Serands clients in Baltimore, MD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mary Rosewin Sweeney is a lawyer practicing environment & energy law, agriculture law, environmental law and 1 other area of law
  • Mary received a A.B. degree from Georgetown University in 1977, and has been licensed for 41 years
  • Mary practices at Venable LLP in Baltimore, MD

Practice Areas Explained

Mary Rosewin Sweeney's Areas of Practice

Each practice area below reflects the types of cases Mary Rosewin Sweeney handles, with a brief overview of what that area of law covers.

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Mary Rosewin Sweeney is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Maryland →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Mary Rosewin Sweeney is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Maryland →

Agricultural Law

Agriculture attorneys for farm operations, ag finance, land use, water rights, and agribusiness.

Mary Rosewin Sweeney is one of 4,793 agriculture attorneys indexed nationally. Browse agriculture attorneys in Maryland →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Mary Rosewin Sweeney is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in Maryland →

Jurisdictional Context

Why local counsel matters in Maryland

Practicing law in Maryland. Legal matters in Maryland are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Baltimore are typically filed in the local municipal court or the appropriate Maryland state district court, depending on subject matter and amount in controversy. An attorney licensed in Maryland brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Maryland courts without local counsel or pro hac vice admission.

Looking for additional Maryland attorneys? Browse all attorneys in Baltimore or all attorneys in Maryland.

Frequently Asked

Common questions about Mary Rosewin Sweeney

Where is Mary Rosewin Sweeney's law office located?
Mary Rosewin Sweeney's law practice is located in Baltimore, Maryland. The firm is Venable LLP. You can contact the office directly through this profile page.
What practice areas does Mary Rosewin Sweeney handle?
Mary Rosewin Sweeney focuses on environmental, government, agriculture, energy. Each practice area listed reflects experience handling cases of that type in Maryland.
How long has Mary Rosewin Sweeney practiced law?
Mary Rosewin Sweeney has 41+ years of legal experience and has been licensed since 1985.
Where did Mary Rosewin Sweeney go to law school?
Mary Rosewin Sweeney earned their education at (J.D., 1984); (A.B. Johns, 1977).
How can I contact Mary Rosewin Sweeney for a consultation?
You can contact Mary Rosewin Sweeney directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Mary Rosewin Sweeney received?
Mary Rosewin Sweeney's notable recognition includes: AV Preeminent.

Education

J.D.
Georgetown University Law Center
- 1984
A.B. Johns
Georgetown University
- 1977

Awards

AV Preeminent

Bar Admissions

Maryland U.S. District Court for the District of Maryland U.S. Court of Appeals for the Fourth Circu
Admitted: 1985

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