Atty. William Sabin Thayer

Atty. William Sabin Thayer

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.

Lisle Lisle 15 yrs experience 15 year
Call (312) 620-5251 Book Appointment

Profile Summary

About William Sabin Thayer at a glance

William Sabin Thayer is a Partner based in Lisle, Illinois, practicing at Momkus, LLC. They have 15+ years of legal experience, licensed to practice since 2011. Their practice focuses on divorce, probate, criminal defense, family law, and estate planning. Admitted to practice in Illinois (2011). Educated at Chicago-Kent College of Law Illinois Institute of Technology (JD, 2011). Serands clients in Lisle, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • 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

Practice Areas Explained

William Sabin Thayer's Areas of Practice

Each practice area below reflects the types of cases William Sabin Thayer handles, with a brief overview of what that area of law covers.

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

William Sabin Thayer is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in Illinois →

Probate

William Sabin Thayer is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Illinois →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

William Sabin Thayer is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Illinois →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

William Sabin Thayer is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Illinois →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

William Sabin Thayer is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Lisle are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Lisle or all attorneys in Illinois.

Frequently Asked

Common questions about William Sabin Thayer

Where is William Sabin Thayer's law office located?
William Sabin Thayer's law practice is located in Lisle, Illinois. The firm is Momkus, LLC. You can contact the office directly through this profile page.
What practice areas does William Sabin Thayer handle?
William Sabin Thayer focuses on divorce, probate, criminal defense, family law, estate planning. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has William Sabin Thayer practiced law?
William Sabin Thayer has 15+ years of legal experience and has been licensed since 2011.
Where did William Sabin Thayer go to law school?
William Sabin Thayer earned their education at (JD, 2011).
How can I contact William Sabin Thayer for a consultation?
You can contact William Sabin Thayer directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

JD
Chicago-Kent College of Law Illinois Institute of Technology
- 2011

Bar Admissions

Illinois
Admitted: 2011

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