Atty. John Mitchell O'Hare

Atty. John Mitchell O'Hare

John Mitchell O'Hare is a lawyer practicing general practice, securities & investment fraud, corporate governance and compliance and 7 other areas of law. John received a A.B. degree from University of Illinois in 1967, and has been licensed for 55 years.

Chicago Chicago 55 Years Experience 55 year
Call (312) 535-4941

Profile Summary

About John Mitchell O'Hare at a glance

John Mitchell O'Hare is a Partner based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on business, m&a, securities, employment contracts, and consumer. Admitted to practice in Illinois (1971). Educated at Harvard Law School (J.D., 1971) and University of Illinois (A.B. University, 1967). Recognitions include Peer Reviewed. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Mitchell O'Hare is a lawyer practicing general practice, securities & investment fraud, corporate governance and compliance and 7 other areas of law
  • John received a A.B. degree from University of Illinois in 1967, and has been licensed for 55 years
  • John practices at Sidley Austin LLP in Chicago, IL

Practice Areas Explained

John Mitchell O'Hare's Areas of Practice

Each practice area below reflects the types of cases John Mitchell O'Hare handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

John Mitchell O'Hare is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Illinois →

Mergers & Acquisitions

John Mitchell O'Hare is one of 45,724 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →

Securities Law

John Mitchell O'Hare is one of 58,852 securities attorneys indexed nationally. Browse securities attorneys in Illinois →

Employment Contracts

John Mitchell O'Hare is one of 7,092 employment contracts attorneys indexed nationally. Browse employment contracts attorneys in Illinois →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

John Mitchell O'Hare is one of 45,538 consumer attorneys indexed nationally. Browse consumer 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 Chicago 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 Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about John Mitchell O'Hare

Where is John Mitchell O'Hare's law office located?
John Mitchell O'Hare's law practice is located in Chicago, Illinois. The firm is Sidley Austin LLP. You can contact the office directly through this profile page.
What practice areas does John Mitchell O'Hare handle?
John Mitchell O'Hare focuses on business, m&a, securities, employment contracts, consumer. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Mitchell O'Hare practiced law?
John Mitchell O'Hare has 55+ years of legal experience and has been licensed since 1971.
Where did John Mitchell O'Hare go to law school?
John Mitchell O'Hare earned their education at (J.D., 1971); (A.B. University, 1967).
How can I contact John Mitchell O'Hare for a consultation?
You can contact John Mitchell O'Hare 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 John Mitchell O'Hare received?
John Mitchell O'Hare's notable recognition includes: Peer Reviewed.

Education

J.D.
Harvard Law School
- 1971
A.B. University
University of Illinois
- 1967

Awards

Peer Reviewed

Bar Admissions

Illinois
Admitted: 1971

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