Atty. Ernest David Sinclair

Atty. Ernest David Sinclair

Ernest David Sinclair is a lawyer practicing family law, criminal law. Ernest received a B.A. degree from University of Northern Colorado in 1977, and has been licensed for 32 years.

Petersburg Petersburg 32 Years Experience 32 year
Call (217) 953-4275

Profile Summary

About Ernest David Sinclair at a glance

Ernest David Sinclair is a House Republican Staff. based in Petersburg, Illinois. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on criminal defense and family law. Admitted to practice in California (1994). Educated at University of Northern Colorado (B.A., 1977) and Thomas Jefferson School of Law J.D. (—). Serves clients in Petersburg, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ernest David Sinclair is a lawyer practicing family law, criminal law
  • Ernest received a B.A. degree from University of Northern Colorado in 1977, and has been licensed for 32 years
  • Ernest practices in Petersburg, IL

Practice Areas Explained

Ernest David Sinclair's Areas of Practice

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

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.

Ernest David Sinclair is one of 190,900 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.

Ernest David Sinclair is one of 167,063 family law attorneys indexed nationally. Browse family law 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 Petersburg 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 venue, 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 Petersburg or all attorneys in Illinois.

Frequently Asked

Common questions about Ernest David Sinclair

Where is Ernest David Sinclair's law office located?
Ernest David Sinclair's law practice is located in Petersburg, Illinois. You can contact the office directly through this profile page.
What practice areas does Ernest David Sinclair handle?
Ernest David Sinclair focuses on criminal defense, family law. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Ernest David Sinclair practiced law?
Ernest David Sinclair has 32+ years of legal experience and has been licensed since 1994.
Where did Ernest David Sinclair go to law school?
Ernest David Sinclair earned their education at (B.A., 1977); (—).
How can I contact Ernest David Sinclair for a consultation?
You can contact Ernest David Sinclair 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.

Practice Areas

Education

B.A.
University of Northern Colorado
- 1977
Thomas Jefferson School of Law J.D.
- In Progress

Bar Admissions

California
Admitted: 1994

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