Derek Lloyd Mergele-Rust, Criminal Defense Attorney in Dallas, Texas
Over 9 years of legal practice · focused on Criminal Defense, Elder Law, and Estate Planning
Dallas, TX
Practicing criminal defense in Dallas since 2017.
- 9+
- Years practicing
- 1
- Bar admission
Are you Derek Lloyd Mergele-Rust?
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Quick answer
Derek Lloyd Mergele-Rust is an attorney based in Dallas, TX. The practice focuses on Criminal Defense, Elder Law, and Estate Planning. Derek has over 9 years of legal experience.
- Based in
- Dallas, TX
- Experience
- over 9 years
- Known for
- Criminal Defense · Elder Law · Estate Planning
- Handles Criminal Defense, Elder Law, and Estate Planning matters from Dallas, TX.
- Over 9 years of practice as a licensed attorney.
About Derek Lloyd Mergele-Rust: Derek Lloyd Mergele-Rust is an attorney based in Dallas, TX. The practice focuses on Criminal Defense, Elder Law, and Estate Planning. Derek has over 9 years of legal experience.
Areas of practice
Practice areas handled by Derek Lloyd Mergele-Rust
Derek concentrates on criminal defense, elder law, estate planning, general, and poa. Each area below outlines the kind of case Derek handles, typical outcomes to expect, and how the intake process starts.
Criminal Defense
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Elder Law
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Estate Planning
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General
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POA
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Probate
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Trusts
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Criminal Defense cases in Dallas, Texas
Derek takes criminal defense matters in Dallas, 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 Derek agrees to represent you.
Elder Law cases in Dallas, Texas
Derek takes elder law matters in Dallas, 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 Derek agrees to represent you.
Estate Planning cases in Dallas, Texas
Derek takes estate planning matters in Dallas, 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 Derek agrees to represent you.
General cases in Dallas, Texas
Derek takes general matters in Dallas, 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 Derek agrees to represent you.
POA cases in Dallas, Texas
Derek takes poa matters in Dallas, 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 Derek agrees to represent you.
Biography
About Derek Lloyd Mergele-Rust — Over 9 years of Texas criminal defense experience
Derek Lloyd Mergele-Rust is an attorney based in Dallas, TX. The practice focuses on Criminal Defense, Elder Law, and Estate Planning. Derek has over 9 years of legal experience.
Derek Lloyd Mergele-Rust is a lawyer practicing estate planning, probate, guardianship and 3 other areas of law. Derek has been licensed for 9 years. Derek practices in Dallas, TX.
Derek's approach to criminal defense cases
Derek Lloyd Mergele-Rust is a lawyer practicing estate planning, probate, guardianship and 3 other areas of law. Derek has been licensed for 9 years. Derek practices in Dallas, TX.
Clients Derek works with
Derek reviews new inquiries case-by-case for criminal defense, elder law, and estate planning matters in Dallas and the surrounding Texas area.
Credentials
Derek Lloyd Mergele-Rust's legal education and bar admissions
Texas Tech University School of Law
JD · 2017
Jurisdictions
Derek's state bar admissions
Texas
2017 · ACTIVE
Derek studied at JD in Texas Tech University School of Law.
Law school and academic background
Derek completed JD in Texas Tech University School of Law. Formal legal training is one signal of substantive knowledge — the day-to-day practice Derek runs in Texas is where that training gets applied to real client questions.
Locations
Derek Lloyd Mergele-Rust's office in Dallas
Derek's primary office is at 1601 Elm Street, Dallas, TX, 75201. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Derek Lloyd Mergele-Rust
Derek has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
No reviews yet
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Schedule your consultationHiring guide
How to hire Derek Lloyd Mergele-Rust — what to expect in your first consultation
Working with a new criminal defense attorney should feel structured. Here's how the first two conversations with Derek usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Derek charges for the initial consult. That fee is credited toward representation if you retain Derek'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; Derek will tell you what matters and what doesn't.
Questions to ask a criminal defense attorney in Dallas, Texas
A short list to run through before you commit: How many criminal defense 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 Derek
Derek discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in criminal defense practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every criminal defense 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. Derek confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Derek's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many criminal defense practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Derek Lloyd Mergele-Rust
How much does it cost to hire Derek for a criminal defense case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Derek walks through the likely range during the consult so there are no surprises.
Does Derek offer a free consultation?
Derek charges for the initial consult; that fee is credited toward representation if you retain Derek's office. Some criminal defense attorneys offer free consults — check Derek's current terms during booking.
How long do criminal defense cases in Texas typically take?
Simple criminal defense 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. Derek gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Derek take my case if I'm outside Dallas?
Derek 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 — Derek 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 Derek?
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. Derek will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Derek accepting new criminal defense clients right now?
Derek's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Criminal Defense attorneys serving Dallas, Houston and Austin in Texas
Derek handles criminal defense matters throughout Texas. Each city below is a direct link into the search page for verified criminal defense attorneys in that community.
More counsel
Other top-rated criminal defense attorneys in Texas
If Derek's intake is full or the fit isn't right, these criminal defense attorneys in Dallas handle similar matters. Every profile below is verified and open to consultations.





