Diane Curran, Energy Attorney in Washington, District of Columbia
Over 45 years of legal practice · focused on Energy, Environmental, and General · 4.4/5 rating from 1 verified client review
PartneratHarmon, Curran, Spielberg & Eisenberg, LLP
Washington, DC
Practicing energy in Washington since 1981.
- 45+
- Years practicing
- 4.4 ★
- 1 client review
- 5
- Bar admissions
Practices in
Are you Diane Curran?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Diane Curran is a partner based in Washington, DC. The practice focuses on Energy, Environmental, and General. Diane has over 45 years of legal experience. Currently practicing at Harmon, Curran, Spielberg & Eisenberg, LLP. Rated 4.4 out of 5 from 1 client review.
- Based in
- Washington, DC
- Experience
- over 45 years
- Known for
- Energy · Environmental · General
- Handles Energy, Environmental, and General matters from Washington, DC.
- Over 45 years of practice as a licensed attorney.
- Recognized with BV Distinguished.
About Diane Curran: Diane Curran is a partner based in Washington, DC. The practice focuses on Energy, Environmental, and General. Diane has over 45 years of legal experience. Currently practicing at Harmon, Curran, Spielberg & Eisenberg, LLP. Rated 4.4 out of 5 from 1 client review.
Areas of practice
Legal matters Diane takes on
Diane concentrates on energy, environmental, general, and government. Each area below outlines the kind of case Diane handles, typical outcomes to expect, and how the intake process starts.
Energy
View other Energy attorneys
Environmental
View other Environmental attorneys
General
View other General attorneys
Government
View other Government attorneys
Energy cases in Washington, District of Columbia
Diane takes energy matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Diane agrees to represent you.
Environmental cases in Washington, District of Columbia
Diane takes environmental matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Diane agrees to represent you.
General cases in Washington, District of Columbia
Diane takes general matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Diane agrees to represent you.
Government cases in Washington, District of Columbia
Diane takes government matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Diane agrees to represent you.
Biography
Meet Diane Curran — energy lawyer in Washington
Diane Curran is a partner based in Washington, DC. The practice focuses on Energy, Environmental, and General. Diane has over 45 years of legal experience. Currently practicing at Harmon, Curran, Spielberg & Eisenberg, LLP. Rated 4.4 out of 5 from 1 client review.
Diane Curran is a lawyer practicing public interest law, environmental law, government and 1 other area of law. Diane received a B.S. degree from Yale University in 1976, and has been licensed for 45 years. Diane practices at Harmon, Curran, Spielberg & Eisenberg, LLP in Washington, DC.
How Diane handles energy matters
Diane Curran is a lawyer practicing public interest law, environmental law, government and 1 other area of law. Diane received a B.S. degree from Yale University in 1976, and has been licensed for 45 years. Diane practices at Harmon, Curran, Spielberg & Eisenberg, LLP in Washington, DC.
Who Diane represents
Diane reviews new inquiries case-by-case for energy, environmental, and general matters in Washington and the surrounding District of Columbia area.
Credentials
Education, bar admissions, and languages
University of Maryland
J.D. · 1981
Yale University
B.S. · 1976
Jurisdictions
Diane's state bar admissions
U.S. Court of Appeal
2004 · ACTIVE
Maryland
1994 · ACTIVE
U.S. Court of Appeal
1989 · ACTIVE
U.S. Court of Appeal
1982 · ACTIVE
District of Columbia
1981 · ACTIVE
Diane studied at J.D. in University of Maryland and B.S. in Yale University.
Law school and academic background
Diane completed J.D. in University of Maryland and B.S. in Yale University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Diane runs in District of Columbia is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Diane has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
BV Distinguished
Legal awards and honors
BV Distinguished.
Locations
Diane Curran's office in Washington
Diane's primary office is at 1726 M Street, N.W., Ste. 600, 6 Fl., Washington, DC, 20036. In-person meetings are by appointment; a phone intake usually comes first.
Harmon, Curran, Spielberg & Eisenberg, LLP
1726 M Street, N.W., Ste. 600, 6 Fl.
Washington, DC 20036
Open in Google MapsClient feedback
Client reviews of Diane Curran — 4.4/5 rating from 1 verified client review
Every review below is from a verified client of Diane. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing energy attorneys in Washington.
4.4
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Diane Curran claims this profile.
Read all reviewsHiring guide
How to hire Diane Curran — what to expect in your first consultation
Working with a new energy attorney should feel structured. Here's how the first two conversations with Diane usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Diane charges for the initial consult. That fee is credited toward representation if you retain Diane's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Diane will tell you what matters and what doesn't.
Questions to ask a energy attorney in Washington, District of Columbia
A short list to run through before you commit: How many energy matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Diane
Diane discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in energy practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every energy matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Diane confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Diane's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many energy practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Diane Curran
How much does it cost to hire Diane for a energy case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Diane walks through the likely range during the consult so there are no surprises.
Does Diane offer a free consultation?
Diane charges for the initial consult; that fee is credited toward representation if you retain Diane's office. Some energy attorneys offer free consults — check Diane's current terms during booking.
How long do energy cases in District of Columbia typically take?
Simple energy matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Diane gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Diane take my case if I'm outside Washington?
Diane is licensed in District of Columbia. Matters governed by District of Columbia law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Diane will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Diane?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Diane will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Diane accepting new energy clients right now?
Diane's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Energy attorneys serving Washington and Belize City in District of Columbia
Diane handles energy matters throughout District of Columbia. Each city below is a direct link into the search page for verified energy attorneys in that community.
More counsel
Other top-rated energy attorneys in District of Columbia
If Diane's intake is full or the fit isn't right, these energy attorneys in Washington handle similar matters. Every profile below is verified and open to consultations.

Bridget Michael Rohde
Washington, District of Columbia
5.0· 22

Joseph John Bottiglieri
Washington, District of Columbia
5.0· 20

Martin Jacobs
Washington, District of Columbia
5.0· 18

David Franklin Freeman, Jr.
Washington, District of Columbia
5.0· 16

Elizabeth Carrott Minnigh
Washington, District of Columbia
5.0· 15

Russell Randle
Washington, District of Columbia
5.0· 14