Atty. Nancy Eileen Delaney

Atty. Nancy Eileen Delaney

Ms. Nancy Eileen Delaney is a lawyer practicing securities litigation, commercial litigation and arbitration, international arbitration and 4 other areas of law.

Washington Washington 38 yrs experience 38 year
Call (771) 232-8198 Book Appointment

Commercial Litigation and Arbitration & More Attorney · Serving Washington, DC · 38+ Years Experience

Profile Summary

About Nancy Eileen Delaney at a Glance

Nancy Eileen Delaney is a Partner based in Washington, District of Columbia, practicing at Curtis, Mallet-Prevost, Colt & Mosle LLP. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on trusts, business, tax, securities, and litigation. Admitted to practice in New Jersey (1988), New York (1989), U.S. District Court, Southern District of New York (1989), and U.S. District Court, Eastern District of New York (1989). Educated at Fordham University (J.D., 1988) and Fordham University B.A. summa cum laude (—). Active member of The Association of the Bar of the City of New York New York State Bar Association Federal Bar Council. Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Nancy Eileen Delaney

  • Ms. Nancy Eileen Delaney is a lawyer practicing securities litigation, commercial litigation and arbitration, international arbitration and 4 other areas of law
  • Nancy received a B.A. degree from Fordham University, and has been licensed for 38 years
  • Nancy practices at Curtis, Mallet-Prevost, Colt & Mosle LLP in Washington, DC and 1 other location

Practice Areas Explained

Nancy Eileen Delaney's Areas of Legal Practice

Each practice area below reflects the types of cases Nancy Eileen Delaney handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.

Trusts in Washington

Nancy Eileen Delaney is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in District of Columbia →

Business & Corporate Law in Washington

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

Nancy Eileen Delaney is one of 497,491 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Tax Law in Washington

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Nancy Eileen Delaney is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Securities Law in Washington

Nancy Eileen Delaney is one of 64,075 securities attorneys indexed nationally. Browse securities attorneys in District of Columbia →

Civil Litigation in Washington

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Nancy Eileen Delaney is one of 450,751 litigation attorneys indexed nationally. Browse litigation 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.

Frequently Asked

Common Questions About Nancy Eileen Delaney

Where is Nancy Eileen Delaney's law office located?
Nancy Eileen Delaney's law practice is located in Washington, District of Columbia. The firm is Curtis, Mallet-Prevost, Colt & Mosle LLP. You can contact the office directly through this profile page.
What practice areas does Nancy Eileen Delaney handle?
Nancy Eileen Delaney focuses on trusts, business, tax, securities, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Nancy Eileen Delaney practiced law?
Nancy Eileen Delaney has 38+ years of legal experience and has been licensed since 1988.
Where did Nancy Eileen Delaney go to law school?
Nancy Eileen Delaney earned their education at (J.D., 1988); (—).
How can I contact Nancy Eileen Delaney for a consultation?
You can contact Nancy Eileen Delaney 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.

Professional Profile

Why Clients in Washington Choose Nancy Eileen Delaney

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 Nancy Eileen Delaney's practice in the field of trusts, business, tax, securities, and litigation.

Decade-Tested Legal Experience

Nancy Eileen Delaney 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 New Jersey, New York, and U.S. District Court, Southern District of New York, Nancy Eileen Delaney can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering trusts, business, and tax, Nancy Eileen Delaney 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 Nancy Eileen Delaney 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 Nancy Eileen Delaney Handles in Washington

Below is a representative sample of the types of matters Nancy Eileen Delaney 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.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Nancy Eileen Delaney directly to discuss the specifics of your situation.

Search Reference

How People Find Nancy Eileen Delaney Online

Prospective clients searching for legal help in Washington commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Nancy Eileen Delaney.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Nancy Eileen Delaney directly.

Education & Law School Background

J.D.
Fordham University
- 1988
—
Fordham University B.A. summa cum laude
- In Progress

Bar Admissions & Licensed Jurisdictions

New Jersey
Admitted: 1988
New York
Admitted: 1989
U.S. District Court, Southern District of New York
Admitted: 1989
U.S. District Court, Eastern District of New York
Admitted: 1989
District of Columbia U.S. Court of Appeals, District of Columbia Circuit, U.S. Supreme Court
Admitted: 2000
U.S. Court of Appeals, Second and Third Circuits and U.S. Tax Court
Admitted: 2000

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