
Cornelius M. Hayes III, Energy Attorney in Corpus Christi, Texas
Over 46 years of legal practice · 4.9/5 rating from 3 verified client reviews
Senior AttorneyatPorter, Rogers, Dahlman & Gordon, P.C.
Corpus Christi, TX
Practicing energy in Corpus Christi since 1980.
- 46+
- Years practicing
- 4.9 ★
- 3 client reviews
- 5
- Bar admissions
Practices in
Are you Cornelius M. Hayes III?
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Quick answer
Cornelius M. Hayes III is a senior attorney based in Corpus Christi, TX. The practice focuses on Energy. Cornelius has over 46 years of legal experience. Currently practicing at Porter, Rogers, Dahlman & Gordon, P.C.. Rated 4.9 out of 5 from 3 client reviews.
- Based in
- Corpus Christi, TX
- Experience
- over 46 years
- Known for
- Energy
- Handles Energy matters from Corpus Christi, TX.
- Over 46 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Cornelius M. Hayes III: Cornelius M. Hayes III is a senior attorney based in Corpus Christi, TX. The practice focuses on Energy. Cornelius has over 46 years of legal experience. Currently practicing at Porter, Rogers, Dahlman & Gordon, P.C.. Rated 4.9 out of 5 from 3 client reviews.
Areas of practice
Cornelius's practice areas in Corpus Christi
Cornelius concentrates on energy. Each area below outlines the kind of case Cornelius handles, typical outcomes to expect, and how the intake process starts.
Energy cases in Corpus Christi, Texas
Cornelius takes energy matters in Corpus Christi, Texas. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Cornelius agrees to represent you.
Biography
Cornelius M. Hayes III, energy attorney serving Corpus Christi
Cornelius M. Hayes III is a senior attorney based in Corpus Christi, TX. The practice focuses on Energy. Cornelius has over 46 years of legal experience. Currently practicing at Porter, Rogers, Dahlman & Gordon, P.C.. Rated 4.9 out of 5 from 3 client reviews. Cornelius works from Corpus Christi, Texas and takes on energy matters across the region.
Cornelius's approach to energy cases
Cornelius M. Hayes III practices at Porter, Rogers, Dahlman & Gordon, P.C. Read Full Bio
Clients Cornelius works with
Cornelius reviews new inquiries case-by-case for energy matters in Corpus Christi and the surrounding Texas area.
Credentials
Credentials — where Cornelius studied and practices
Texas Tech University School of Law
J.D. · 1979
University of Texas
B.A. English · 1972
Jurisdictions
Cornelius's state bar admissions
Pennsylvania
2015 · ACTIVE
North Dakota
2012 · ACTIVE
U.S. District Court,
1981 · ACTIVE
U.S. District Court,
1981 · ACTIVE
Texas
1980 · ACTIVE
Cornelius studied at J.D. in Texas Tech University School of Law and B.A. English in University of Texas.
Law school and academic background
Cornelius completed J.D. in Texas Tech University School of Law and B.A. English in University of Texas. Formal legal training is one signal of substantive knowledge — the day-to-day practice Cornelius runs in Texas is where that training gets applied to real client questions.
Recognition
Cornelius's legal honors and published work
Cornelius has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Cornelius's professional memberships and bar associations
Corpus Christi Bar Association (Member, Natural Resources Law Section) State Bar of Texas (Member, Oil, Gas and Mineral Law Section) College of the State Bar of Texas
membership
Locations
Cornelius M. Hayes III's office in Corpus Christi
Cornelius's primary office is at 500 North Shoreline Blvd., Suite 300, Corpus Christi, TX, 78401. In-person meetings are by appointment; a phone intake usually comes first.
Porter, Rogers, Dahlman & Gordon, P.C.
500 North Shoreline Blvd., Suite 300
Corpus Christi, TX 78401
Open in Google MapsClient feedback
Client reviews of Cornelius M. Hayes III — 4.9/5 rating from 3 verified client reviews
Every review below is from a verified client of Cornelius. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing energy attorneys in Corpus Christi.
4.9
3 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Cornelius M. Hayes III claims this profile.
Read all reviewsHiring guide
How to hire Cornelius M. Hayes III — what to expect in your first consultation
Working with a new energy attorney should feel structured. Here's how the first two conversations with Cornelius usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Cornelius charges for the initial consult. That fee is credited toward representation if you retain Cornelius'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; Cornelius will tell you what matters and what doesn't.
Questions to ask a energy attorney in Corpus Christi, Texas
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 Cornelius
Cornelius 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. Cornelius confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Cornelius'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 Cornelius M. Hayes III
How much does it cost to hire Cornelius for a energy case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Cornelius walks through the likely range during the consult so there are no surprises.
Does Cornelius offer a free consultation?
Cornelius charges for the initial consult; that fee is credited toward representation if you retain Cornelius's office. Some energy attorneys offer free consults — check Cornelius's current terms during booking.
How long do energy cases in Texas 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. Cornelius gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Cornelius take my case if I'm outside Corpus Christi?
Cornelius is licensed in Texas. Matters governed by Texas law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Cornelius 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 Cornelius?
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. Cornelius will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Cornelius accepting new energy clients right now?
Cornelius'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 Corpus Christi, Houston and Dallas in Texas
Cornelius handles energy matters throughout Texas. 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 Texas
If Cornelius's intake is full or the fit isn't right, these energy attorneys in Corpus Christi handle similar matters. Every profile below is verified and open to consultations.





