Sarah Earle Killeen, Energy Attorney in Denver, Colorado
Over 26 years of legal practice · focused on Energy, Environmental, and General
MemberatCozen O'Connor
Denver, CO
Practicing energy in Denver since 2000.
- 26+
- Years practicing
- 3
- Bar admissions
Are you Sarah Earle Killeen?
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Quick answer
Sarah Earle Killeen is a member based in Denver, CO. The practice focuses on Energy, Environmental, and General. Sarah has over 26 years of legal experience. Currently practicing at Cozen O'Connor.
- Based in
- Denver, CO
- Experience
- over 26 years
- Known for
- Energy · Environmental · General
- Handles Energy, Environmental, and General matters from Denver, CO.
- Over 26 years of practice as a licensed attorney.
About Sarah Earle Killeen: Sarah Earle Killeen is a member based in Denver, CO. The practice focuses on Energy, Environmental, and General. Sarah has over 26 years of legal experience. Currently practicing at Cozen O'Connor.
Areas of practice
Legal matters Sarah takes on
Sarah concentrates on energy, environmental, general, insurance, and litigation. Each area below outlines the kind of case Sarah handles, typical outcomes to expect, and how the intake process starts.
Energy
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Environmental
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General
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Insurance
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Litigation
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Product Liability
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Business
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Energy cases in Denver, Colorado
Sarah 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 Sarah agrees to represent you.
Environmental cases in Denver, Colorado
Sarah 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 Sarah agrees to represent you.
General cases in Denver, Colorado
Sarah takes general 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 Sarah agrees to represent you.
Insurance cases in Denver, Colorado
Sarah takes insurance 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 Sarah agrees to represent you.
Litigation cases in Denver, Colorado
Sarah takes litigation 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 Sarah agrees to represent you.
Biography
Meet Sarah Earle Killeen — energy lawyer in Denver
Sarah Earle Killeen is a member based in Denver, CO. The practice focuses on Energy, Environmental, and General. Sarah has over 26 years of legal experience. Currently practicing at Cozen O'Connor.
Ms. Sarah Earle Killeen is a lawyer practicing antitrust / trade law, environmental / natural resources, energy / utilities and 4 other areas of law. Sarah received a B.A. degree from Barnard College, Columbia University in 1996, and has been licensed for 26 years. Sarah practices at Cozen O'Connor in Denver, CO.
How Sarah handles energy matters
Ms. Sarah Earle Killeen is a lawyer practicing antitrust / trade law, environmental / natural resources, energy / utilities and 4 other areas of law. Sarah received a B.A. degree from Barnard College, Columbia University in 1996, and has been licensed for 26 years. Sarah practices at Cozen O'Connor in Denver, CO.
Who Sarah represents
Sarah reviews new inquiries case-by-case for energy, environmental, and general matters in Denver and the surrounding Colorado area.
Credentials
Education, bar admissions, and languages
University of Denver Sturm College of Law
J.D. · 2000
Barnard College, Columbia University
B.A. · 1996
Jurisdictions
Sarah's state bar admissions
California New Mexic
2003 · ACTIVE
Colorado
2000 · ACTIVE
U.S. District Court,
2000 · ACTIVE
Sarah studied at J.D. in University of Denver Sturm College of Law and B.A. in Barnard College, Columbia University.
Law school and academic background
Sarah completed J.D. in University of Denver Sturm College of Law and B.A. in Barnard College, Columbia University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Sarah runs in Colorado is where that training gets applied to real client questions.
Affiliations
Sarah's professional memberships and bar associations
Denver Bar Association
membership
Locations
Sarah Earle Killeen's office in Denver
Sarah's primary office is at 707 17th St., Ste. 3100, Denver, CO, 80202. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Sarah Earle Killeen
Sarah has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Sarah Earle Killeen — what to expect in your first consultation
Working with a new energy attorney should feel structured. Here's how the first two conversations with Sarah usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Sarah charges for the initial consult. That fee is credited toward representation if you retain Sarah'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; Sarah 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 Sarah
Sarah 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. Sarah confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Sarah'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 Sarah Earle Killeen
How much does it cost to hire Sarah for a energy case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Sarah walks through the likely range during the consult so there are no surprises.
Does Sarah offer a free consultation?
Sarah charges for the initial consult; that fee is credited toward representation if you retain Sarah's office. Some energy attorneys offer free consults — check Sarah'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. Sarah gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Sarah take my case if I'm outside Denver?
Sarah 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 — Sarah 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 Sarah?
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. Sarah will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Sarah accepting new energy clients right now?
Sarah'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
Sarah handles energy matters throughout Colorado. 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 Colorado
If Sarah'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.