William Sabin Thayer, Criminal Defense Attorney in Lisle, Illinois
Over 15 years of legal practice · focused on Criminal Defense, Divorce, and Family Law
PartneratMomkus, LLC
Lisle, IL
Practicing criminal defense in Lisle since 2011.
- 15+
- Years practicing
- 1
- Bar admission
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Quick answer
William Sabin Thayer is a partner based in Lisle, IL. The practice focuses on Criminal Defense, Divorce, and Family Law. William has over 15 years of legal experience. Currently practicing at Momkus, LLC.
- Based in
- Lisle, IL
- Experience
- over 15 years
- Known for
- Criminal Defense · Divorce · Family Law
- Handles Criminal Defense, Divorce, and Family Law matters from Lisle, IL.
- Over 15 years of practice as a licensed attorney.
About William Sabin Thayer: William Sabin Thayer is a partner based in Lisle, IL. The practice focuses on Criminal Defense, Divorce, and Family Law. William has over 15 years of legal experience. Currently practicing at Momkus, LLC.
Areas of practice
William's practice areas in Lisle
William concentrates on criminal defense, divorce, family law, litigation, and probate. Each area below outlines the kind of case William handles, typical outcomes to expect, and how the intake process starts.
Criminal Defense
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Divorce
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Family Law
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Litigation
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Probate
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Estate Planning
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Criminal Defense cases in Lisle, Illinois
William takes criminal defense matters in Lisle, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Divorce cases in Lisle, Illinois
William takes divorce matters in Lisle, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Family Law cases in Lisle, Illinois
William takes family law matters in Lisle, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Litigation cases in Lisle, Illinois
William takes litigation matters in Lisle, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Probate cases in Lisle, Illinois
William takes probate matters in Lisle, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Biography
William Sabin Thayer, criminal defense attorney serving Lisle
William Sabin Thayer is a partner based in Lisle, IL. The practice focuses on Criminal Defense, Divorce, and Family Law. William has over 15 years of legal experience. Currently practicing at Momkus, LLC. William works from Lisle, Illinois and takes on criminal defense matters across the region.
William Sabin Thayer is a lawyer practicing criminal defense, divorce & separation, litigation and 2 other areas of law. William has been licensed for 15 years. William practices at Momkus, LLC in Lisle, IL.
William's approach to criminal defense cases
William Sabin Thayer is a lawyer practicing criminal defense, divorce & separation, litigation and 2 other areas of law. William has been licensed for 15 years. William practices at Momkus, LLC in Lisle, IL.
Clients William works with
William reviews new inquiries case-by-case for criminal defense, divorce, and family law matters in Lisle and the surrounding Illinois area.
Credentials
Credentials — where William studied and practices
Chicago-Kent College of Law Illinois Institute of Technology
JD · 2011
Jurisdictions
William's state bar admissions
Illinois
2011 · ACTIVE
William studied at JD in Chicago-Kent College of Law Illinois Institute of Technology.
Law school and academic background
William completed JD in Chicago-Kent College of Law Illinois Institute of Technology. Formal legal training is one signal of substantive knowledge — the day-to-day practice William runs in Illinois is where that training gets applied to real client questions.
Locations
William Sabin Thayer's office in Lisle
William's primary office is at 1001 Warrenville Rd., Ste. 560, Lisle, IL, 60532-4306. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of William Sabin Thayer
William 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 William Sabin Thayer — 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 William usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
William charges for the initial consult. That fee is credited toward representation if you retain William'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; William will tell you what matters and what doesn't.
Questions to ask a criminal defense attorney in Lisle, Illinois
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 William
William 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. William confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
William'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 William Sabin Thayer
How much does it cost to hire William for a criminal defense case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. William walks through the likely range during the consult so there are no surprises.
Does William offer a free consultation?
William charges for the initial consult; that fee is credited toward representation if you retain William's office. Some criminal defense attorneys offer free consults — check William's current terms during booking.
How long do criminal defense cases in Illinois 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. William gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can William take my case if I'm outside Lisle?
William is licensed in Illinois. Matters governed by Illinois law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — William 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 William?
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. William will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is William accepting new criminal defense clients right now?
William'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 Lisle, Chicago and Springfield in Illinois
William handles criminal defense matters throughout Illinois. 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 Illinois
If William's intake is full or the fit isn't right, these criminal defense attorneys in Lisle handle similar matters. Every profile below is verified and open to consultations.





