
John L. Dagley, Business Attorney in Houston, Texas
Over 36 years of legal practice · focused on Business, Energy, and General · 5.0/5 rating from 1 verified client review
PartneratBuck Keenan LLP
Houston, TX
Practicing business in Houston since 1990.
- 36+
- Years practicing
- 5.0 ★
- 1 client review
- 2
- Bar admissions
Are you John L. Dagley?
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Quick answer
John L. Dagley is a partner based in Houston, TX. The practice focuses on Business, Energy, and General. John has over 36 years of legal experience. Currently practicing at Buck Keenan LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Houston, TX
- Experience
- over 36 years
- Known for
- Business · Energy · General
- Handles Business, Energy, and General matters from Houston, TX.
- Over 36 years of practice as a licensed attorney.
- Recognized with Peer Reviewed.
About John L. Dagley: John L. Dagley is a partner based in Houston, TX. The practice focuses on Business, Energy, and General. John has over 36 years of legal experience. Currently practicing at Buck Keenan LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters John takes on
John concentrates on business, energy, general, ip, and litigation. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
Business
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Energy
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General
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IP
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Litigation
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Securities
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Trusts
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Business cases in Houston, Texas
John takes business matters in Houston, 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.
Energy cases in Houston, Texas
John takes energy matters in Houston, 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.
General cases in Houston, Texas
John takes general matters in Houston, 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.
IP cases in Houston, Texas
John takes ip matters in Houston, 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.
Litigation cases in Houston, Texas
John takes litigation matters in Houston, 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
Meet John L. Dagley — business lawyer in Houston
John L. Dagley is a partner based in Houston, TX. The practice focuses on Business, Energy, and General. John has over 36 years of legal experience. Currently practicing at Buck Keenan LLP. Rated 5.0 out of 5 from 1 client review.
Mr. Dagley has practiced law since 1990. After beginning his practice with Porter Hedges L.L.P., formerly Porter & Clements, L.L.P., Mr. Dagley practiced at Campbell Harrison & Dagley LLP for 21 years. He joined Buck Keenan LLP in January 2016. He earned his undergraduate degree in business administration from Baylor University in 1988 and his law degree from Baylor University in 1990.Since being licensed by the State Bar of Texas in 1990, Mr. Dagley has tried cases for plaintiffs and defendants and represented parties on appeal in state and federal courts and arbitrations throughout Texas. His clients have included individuals, small and mid-size businesses, Fortune 500 companies, and governmental entities. Mr. Dagley's practice areas include complex business disputes, fiduciary litigation, probate, trust and estate litigation, securities fraud, oil and gas litigation, insurance coverage and bad faith, trademark litigation, trade secrets and non-compete agreements, professional malpractice, employment, consumer fraud, personal injury/wrongful death, and trial and appellate procedural issues. In addition to numerous jury and bench trials and arbitrations since 1990, Mr. Dagley's 2015 cases included the jury trial of a Texas Securities Act dispute involving fuel oil contracts in Kurdistan and the arbitration of a contract dispute involving a profits interest in an oil and gas concession in Kurdistan. Mr. Dagley also regularly counsels clients about disputes or potential disputes outside the litigation context.Mr. Dagley has regularly presented individually and as a panel member at continuing legal education events, most recently at the State Bar of Texas 10th Annual Fiduciary Litigation Course in December 2015 on the topic of “Finding Fiduciaries in the Weeds,” regarding informal fiduciary relationships in Texas, and the Houston Bar Association Probate, Trusts and Estates Section November 2015 meeting and Innovations: Breaking Boundaries in Custody Litigation on the topic of “Caught in the Middle: Family Court, Probate Court and the Adult Disabled Child, the State Bar of Texas 9th Annual Fiduciary Litigation Course on the topic of “Standing at the Crossroads: The Intersection of the Family, Trust, Estates, and Business Organizations Codes,” and The StoneTurn Group Intellectual Property Roundtable on the topic of “Trade Dress Liability and Damages Issues.”
How John handles business matters
Mr. Dagley has practiced law since 1990. After beginning his practice with Porter Hedges L.L.P., formerly Porter & Clements, L.L.P., Mr. Dagley practiced at Campbell Harrison & Dagley LLP for 21 years. He joined Buck Keenan LLP in January 2016. He earned his undergraduate degree in business administration from Baylor University in 1988 and his law degree from Baylor University in 1990.Since being…
Who John represents
John reviews new inquiries case-by-case for business, energy, and general matters in Houston and the surrounding Texas area.
Credentials
Education, bar admissions, and languages
Baylor University
J.D. · 1990
Baylor University
B.B.A. · 1988
Jurisdictions
John's state bar admissions
Texas
1990 · ACTIVE
U.S. District Court,
1990 · ACTIVE
John studied at J.D. in Baylor University and B.B.A. in Baylor University.
Law school and academic background
John completed J.D. in Baylor University and B.B.A. in Baylor University. 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
Recognition and thought leadership
John has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
Peer Reviewed
Legal awards and honors
Peer Reviewed.
Affiliations
John's professional memberships and bar associations
Houston Bar Association State Bar of Texas Houston Young Lawyers Association
membership
Locations
John L. Dagley's office in Houston
John's primary office is at San Felipe Place, 2229 San Felipe Street, Suite 1000, Houston, TX, 77019. In-person meetings are by appointment; a phone intake usually comes first.
Buck Keenan LLP
San Felipe Place, 2229 San Felipe Street, Suite 1000
Houston, TX 77019
Open in Google MapsClient feedback
Client reviews of John L. Dagley — 5.0/5 rating from 1 verified client review
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 business attorneys in Houston.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once John L. Dagley claims this profile.
Read all reviewsHiring guide
How to hire John L. Dagley — what to expect in your first consultation
Working with a new business 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 business attorney in Houston, Texas
A short list to run through before you commit: How many business 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 business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business 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 business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about John L. Dagley
How much does it cost to hire John for a business 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 business attorneys offer free consults — check John's current terms during booking.
How long do business cases in Texas typically take?
Simple business 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 Houston?
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 business 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
Business attorneys serving Houston, Dallas and Austin in Texas
John handles business matters throughout Texas. Each city below is a direct link into the search page for verified business attorneys in that community.
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