Atty. Mary Treanor

Atty. Mary Treanor

Mary Treanor is a lawyer practicing corporate, energy & commodities. Mary.

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Profile Summary

About Mary Treanor at a glance

Mary Treanor is a business and energy attorney based in Washington, District of Columbia. Educated at Washington University, St. Louis J.D. (—). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mary Treanor is a lawyer practicing corporate, energy & commodities
  • Mary
  • Mary practices in Washington, DC

Practice Areas Explained

Mary Treanor's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mary Treanor is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Energy & Utilities Law

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

Mary Treanor is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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 andnue, 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.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Mary Treanor

Where is Mary Treanor's law office located?
Mary Treanor's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Mary Treanor handle?
Mary Treanor focuses on business, energy. Each practice area listed reflects experience handling cases of that type in District of Columbia.
Where did Mary Treanor go to law school?
Mary Treanor earned their education at (—).
How can I contact Mary Treanor for a consultation?
You can contact Mary Treanor 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.

Education

Washington University, St. Louis J.D.
- In Progress

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