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John Clare Heymann, Energy Attorney in Corpus Christi, Texas

Over 37 years of legal practice · focused on Energy and Environmental · 4.6/5 rating from 4 verified client reviews

Managing PartneratUpton, Mickits & Heymann, L.L.P.

Corpus Christi, TX

Practicing energy in Corpus Christi since 1989.

37+
Years practicing
4.6 ★
4 client reviews
3
Bar admissions

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Quick answer

John Clare Heymann is a managing partner based in Corpus Christi, TX. The practice focuses on Energy and Environmental. John has over 37 years of legal experience. Currently practicing at Upton, Mickits & Heymann, L.L.P.. Rated 4.6 out of 5 from 4 client reviews.

Based in
Corpus Christi, TX
Experience
over 37 years
Known for
Energy · Environmental
  • Handles Energy and Environmental matters from Corpus Christi, TX.
  • Over 37 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About John Clare Heymann: John Clare Heymann is a managing partner based in Corpus Christi, TX. The practice focuses on Energy and Environmental. John has over 37 years of legal experience. Currently practicing at Upton, Mickits & Heymann, L.L.P.. Rated 4.6 out of 5 from 4 client reviews.

Areas of practice

Practice areas handled by John Clare Heymann

John concentrates on energy and environmental. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.

Energy cases in Corpus Christi, Texas

John 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 John agrees to represent you.

Environmental cases in Corpus Christi, Texas

John takes environmental 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 John agrees to represent you.

Biography

About John Clare Heymann — Over 37 years of Texas energy experience

John Clare Heymann is a managing partner based in Corpus Christi, TX. The practice focuses on Energy and Environmental. John has over 37 years of legal experience. Currently practicing at Upton, Mickits & Heymann, L.L.P.. Rated 4.6 out of 5 from 4 client reviews.

Mr. John Clare Heymann is a lawyer practicing oil and gas law, natural resources, environmental and natural resources. John received a B.B.A. degree from University of Texas at Austin in 1974, and has been licensed for 37 years. John practices at Upton, Mickits & Heymann, L.L.P. in Corpus Christi, TX.

How John handles energy matters

Mr. John Clare Heymann is a lawyer practicing oil and gas law, natural resources, environmental and natural resources. John received a B.B.A. degree from University of Texas at Austin in 1974, and has been licensed for 37 years. John practices at Upton, Mickits & Heymann, L.L.P. in Corpus Christi, TX.

The kind of cases John takes

John reviews new inquiries case-by-case for energy and environmental matters in Corpus Christi and the surrounding Texas area.

Credentials

John Clare Heymann's legal education and bar admissions

  • University of Texas at Austin

    J.D. · 1988

  • University of Texas at Austin

    B.B.A. · 1974

Jurisdictions

John's state bar admissions

  • U.S. Court of Appeal

    1989 · ACTIVE

  • U.S. District Court,

    1989 · ACTIVE

  • Texas

    1989 · ACTIVE

John studied at J.D. in University of Texas at Austin and B.B.A. in University of Texas at Austin.

Law school and academic background

John completed J.D. in University of Texas at Austin and B.B.A. in University of Texas at Austin. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in Texas is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of John Clare Heymann

John has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

John's professional memberships and bar associations

  • Corpus Christi and American

    Member, Section on: Natural Resources Law) Bar Associations State Bar of Texas (Member, Sections on: Oil and Gas Law Mineral Law · membership

Locations

John Clare Heymann's office in Corpus Christi

John's primary office is at Frost Bank Plaza, Suite 450, 802 North Carancahua, Corpus Christi, TX, 78401. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Upton, Mickits & Heymann, L.L.P.

Frost Bank Plaza, Suite 450, 802 North Carancahua

Corpus Christi, TX 78401

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Client feedback

Client reviews of John Clare Heymann — 4.6/5 rating from 4 verified client reviews

Every review below is from a verified client of John. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing energy attorneys in Corpus Christi.

4.6

4 client reviews

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once John Clare Heymann claims this profile.

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Hiring guide

How to hire John Clare Heymann — what to expect in your first consultation

Working with a new energy attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

John charges for the initial consult. That fee is credited toward representation if you retain John'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; John 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 John

John 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. John confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

John'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 John Clare Heymann

  • How much does it cost to hire John for a energy case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.

  • Does John offer a free consultation?

    John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some energy attorneys offer free consults — check John'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. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can John take my case if I'm outside Corpus Christi?

    John 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 — John 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 John?

    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. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is John accepting new energy clients right now?

    John'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

John 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

If John'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.