Harris Daniel Sherman, Energy Attorney in Denver, Colorado
Over 59 years of legal practice · focused on Energy and Environmental · 5.0/5 rating from 1 verified client review
Retired PartneratArnold & Porter LLP
Denver, CO
Practicing energy in Denver since 1967.
- 59+
- Years practicing
- 5.0 ★
- 1 client review
- 1
- Bar admission
Practices in
Are you Harris Daniel Sherman?
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Quick answer
Harris Daniel Sherman is a retired partner based in Denver, CO. The practice focuses on Energy and Environmental. Harris has over 59 years of legal experience. Currently practicing at Arnold & Porter LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Denver, CO
- Experience
- over 59 years
- Known for
- Energy · Environmental
- Handles Energy and Environmental matters from Denver, CO.
- Over 59 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Harris Daniel Sherman: Harris Daniel Sherman is a retired partner based in Denver, CO. The practice focuses on Energy and Environmental. Harris has over 59 years of legal experience. Currently practicing at Arnold & Porter LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters Harris takes on
Harris concentrates on energy and environmental. Each area below outlines the kind of case Harris handles, typical outcomes to expect, and how the intake process starts.
Energy cases in Denver, Colorado
Harris takes energy matters in Denver, Colorado. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Harris agrees to represent you.
Environmental cases in Denver, Colorado
Harris takes environmental matters in Denver, Colorado. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Harris agrees to represent you.
Biography
Meet Harris Daniel Sherman — energy lawyer in Denver
Harris Daniel Sherman is a retired partner based in Denver, CO. The practice focuses on Energy and Environmental. Harris has over 59 years of legal experience. Currently practicing at Arnold & Porter LLP. Rated 5.0 out of 5 from 1 client review.
Harris Daniel Sherman is a lawyer practicing environmental and natural resources, energy & utilities. Harris received a B.A. degree from Colorado College in 1964, and has been licensed for 59 years. Harris practices at Arnold & Porter LLP in Denver, CO.
Working with Harris on a energy matter
Harris Daniel Sherman is a lawyer practicing environmental and natural resources, energy & utilities. Harris received a B.A. degree from Colorado College in 1964, and has been licensed for 59 years. Harris practices at Arnold & Porter LLP in Denver, CO.
Clients Harris works with
Harris reviews new inquiries case-by-case for energy and environmental matters in Denver and the surrounding Colorado area.
Credentials
Education, bar admissions, and languages
Columbia University Law School
LL.B. · 1967
Colorado College
B.A. · 1964
Jurisdictions
Harris's state bar admissions
Colorado Supreme Cou
1967 · ACTIVE
Harris studied at LL.B. in Columbia University Law School and B.A. in Colorado College.
Law school and academic background
Harris completed LL.B. in Columbia University Law School and B.A. in Colorado College. Formal legal training is one signal of substantive knowledge — the day-to-day practice Harris runs in Colorado is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Harris has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Harris Daniel Sherman's office in Denver
Harris's primary office is at 370 Seventeenth Street, Suite 4500, Denver, CO, 80202-1370. In-person meetings are by appointment; a phone intake usually comes first.
Arnold & Porter LLP
370 Seventeenth Street, Suite 4500
Denver, CO 80202-1370
Open in Google MapsClient feedback
Client reviews of Harris Daniel Sherman — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Harris. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing energy attorneys in Denver.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Harris Daniel Sherman claims this profile.
Read all reviewsHiring guide
How to hire Harris Daniel Sherman — what to expect in your first consultation
Working with a new energy attorney should feel structured. Here's how the first two conversations with Harris usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Harris charges for the initial consult. That fee is credited toward representation if you retain Harris'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; Harris will tell you what matters and what doesn't.
Questions to ask a energy attorney in Denver, Colorado
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 Harris
Harris 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. Harris confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Harris'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 Harris Daniel Sherman
How much does it cost to hire Harris for a energy case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Harris walks through the likely range during the consult so there are no surprises.
Does Harris offer a free consultation?
Harris charges for the initial consult; that fee is credited toward representation if you retain Harris's office. Some energy attorneys offer free consults — check Harris's current terms during booking.
How long do energy cases in Colorado 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. Harris gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Harris take my case if I'm outside Denver?
Harris is licensed in Colorado. Matters governed by Colorado law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Harris 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 Harris?
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. Harris will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Harris accepting new energy clients right now?
Harris'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 Denver, Colorado Springs and Boulder in Colorado
Harris handles energy matters throughout Colorado. Each city below is a direct link into the search page for verified energy attorneys in that community.
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If Harris's intake is full or the fit isn't right, these energy attorneys in Denver handle similar matters. Every profile below is verified and open to consultations.





