Atty. David John Winthers

Atty. David John Winthers

David John Winthers is a lawyer practicing family law, corporate law, real estate law and 8 other areas of law. David received a B.A. degree from Wheaton College in 1977, and has been licensed for 46 years.

Winfield Winfield 46 yrs experience 46 year
Call (224) 561-4592 Book Appointment

Profile Summary

About David John Winthers at a glance

David John Winthers is a Member based in Winfield, Illinois, practicing at Mullen, Winthers & Kollias, P.C.. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on child custody, probate, family law, estate planning, and business. Admitted to practice in Illinois (1980). Educated at John Marshall Law School (J.D., 1980) and Wheaton College (B.A., 1977). Recognitions include BV Distinguished. Active member of DuPage County, Illinois State and American Bar Associations Christian Legal Society Illinois Trial Lawyers Association. Serands clients in Winfield, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David John Winthers is a lawyer practicing family law, corporate law, real estate law and 8 other areas of law
  • David received a B.A. degree from Wheaton College in 1977, and has been licensed for 46 years
  • David practices at Mullen, Winthers & Kollias, P.C. in Winfield, IL

Practice Areas Explained

David John Winthers's Areas of Practice

Each practice area below reflects the types of cases David John Winthers handles, with a brief overview of what that area of law covers.

Child Custody & Visitation

David John Winthers is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in Illinois →

Probate

David John Winthers is one of 128,014 probate attorneys indexed nationally. Browse probate 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.

David John Winthers 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.

David John Winthers is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Illinois →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

David John Winthers is one of 501,317 business attorneys indexed nationally. Browse business 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 Winfield 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 Winfield or all attorneys in Illinois.

Frequently Asked

Common questions about David John Winthers

Where is David John Winthers's law office located?
David John Winthers's law practice is located in Winfield, Illinois. The firm is Mullen, Winthers & Kollias, P.C.. You can contact the office directly through this profile page.
What practice areas does David John Winthers handle?
David John Winthers focuses on child custody, probate, family law, estate planning, business. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has David John Winthers practiced law?
David John Winthers has 46+ years of legal experience and has been licensed since 1980.
Where did David John Winthers go to law school?
David John Winthers earned their education at (J.D., 1980); (B.A., 1977).
How can I contact David John Winthers for a consultation?
You can contact David John Winthers 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.
What awards or recognition has David John Winthers received?
David John Winthers's notable recognition includes: BV Distinguished.

Education

J.D.
John Marshall Law School
- 1980
B.A.
Wheaton College
- 1977

Awards

BV Distinguished

Bar Admissions

Illinois
Admitted: 1980

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