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Atty. Jack Charles Slingerland

Atty. Jack Charles Slingerland

Jack Charles Slingerland is a lawyer practicing government, municipal, lobbying and 11 other areas of law. Jack received a B.S. degree from Northern Illinois University in 1972, and has been licensed for 49 years.

Sycamore Sycamore 49 yrs experience 49 year
Call (331) 276-5570 Book Appointment

Profile Summary

About Jack Charles Slingerland at a glance

Jack Charles Slingerland is a Member based in Sycamore, Illinois, practicing at Slingerland & Clark, P.C.. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on dui/dwi, divorce, child custody, contracts, and criminal defense. Admitted to practice in Illinois (1977), U.S. Court of Appeals, Seventh Circuit (1983), U.S. District Court, Northern District of Illinois (1985), and U.S. District Court, Central District of Illinois (1985). Educated at Loyola University (J.D., 1977) and Northern Illinois University (B.S., 1972). Recognitions include BV Distinguished. Active member of DeKalb County Bar Association. Serands clients in Sycamore, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jack Charles Slingerland is a lawyer practicing government, municipal, lobbying and 11 other areas of law
  • Jack received a B.S. degree from Northern Illinois University in 1972, and has been licensed for 49 years
  • Jack practices at Slingerland & Clark, P.C. in Sycamore, IL

Practice Areas Explained

Jack Charles Slingerland's Areas of Practice

Each practice area below reflects the types of cases Jack Charles Slingerland handles, with a brief overview of what that area of law covers.

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

Jack Charles Slingerland is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Illinois →

Divorce

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

Jack Charles Slingerland is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in Illinois →

Child Custody & Visitation

Jack Charles Slingerland is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in Illinois →

Contracts

Jack Charles Slingerland is one of 76,762 contracts attorneys indexed nationally. Browse contracts 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.

Jack Charles Slingerland is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense 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 Sycamore 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 Sycamore or all attorneys in Illinois.

Frequently Asked

Common questions about Jack Charles Slingerland

Where is Jack Charles Slingerland's law office located?
Jack Charles Slingerland's law practice is located in Sycamore, Illinois. The firm is Slingerland & Clark, P.C.. You can contact the office directly through this profile page.
What practice areas does Jack Charles Slingerland handle?
Jack Charles Slingerland focuses on dui/dwi, divorce, child custody, contracts, criminal defense. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Jack Charles Slingerland practiced law?
Jack Charles Slingerland has 49+ years of legal experience and has been licensed since 1977.
Where did Jack Charles Slingerland go to law school?
Jack Charles Slingerland earned their education at (J.D., 1977); (B.S., 1972).
How can I contact Jack Charles Slingerland for a consultation?
You can contact Jack Charles Slingerland 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 Jack Charles Slingerland received?
Jack Charles Slingerland's notable recognition includes: BV Distinguished.

Education

J.D.
Loyola University
- 1977
B.S.
Northern Illinois University
- 1972

Awards

BV Distinguished

Bar Admissions

Illinois
Admitted: 1977
U.S. Court of Appeals, Seventh Circuit
Admitted: 1983
U.S. District Court, Northern District of Illinois
Admitted: 1985
U.S. District Court, Central District of Illinois
Admitted: 1985

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