Atty. John Patrick Brennan, Jr.

Atty. John Patrick Brennan, Jr.

John Patrick Brennan, Jr. is a lawyer practicing medical malpractice, personal injury, products liability. John received a B.A. degree from St.

Sugar Grove Sugar Grove 38 yrs experience 38 year
Call (847) 984-3519 Book Appointment

Profile Summary

About John Patrick Brennan, Jr. at a glance

John Patrick Brennan, Jr. is a medical malpractice, personal injury, and product liability attorney based in Sugar Grove, Illinois. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Illinois (1988) and U.S. District Court, Northern District of Illinois (1988). Educated at DePaul University (J.D., 1988) and St. John's University (B.A., 1985). Serands clients in Sugar Grove, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Patrick Brennan, Jr. is a lawyer practicing medical malpractice, personal injury, products liability
  • John received a B.A. degree from St. John's University in 1985, and has been licensed for 38 years
  • John practices in Sugar Grove, IL

Practice Areas Explained

John Patrick Brennan, Jr.'s Areas of Practice

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

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

John Patrick Brennan, Jr. is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Illinois →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John Patrick Brennan, Jr. is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →

Product Liability

John Patrick Brennan, Jr. is one of 66,193 product liability attorneys indexed nationally. Browse product liability 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 Sugar Grove 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 Sugar Grove or all attorneys in Illinois.

Frequently Asked

Common questions about John Patrick Brennan, Jr.

Where is John Patrick Brennan, Jr.'s law office located?
John Patrick Brennan, Jr.'s law practice is located in Sugar Grove, Illinois. You can contact the office directly through this profile page.
What practice areas does John Patrick Brennan, Jr. handle?
John Patrick Brennan, Jr. focuses on medical malpractice, personal injury, product liability. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Patrick Brennan, Jr. practiced law?
John Patrick Brennan, Jr. has 38+ years of legal experience and has been licensed since 1988.
Where did John Patrick Brennan, Jr. go to law school?
John Patrick Brennan, Jr. earned their education at (J.D., 1988); (B.A., 1985).
How can I contact John Patrick Brennan, Jr. for a consultation?
You can contact John Patrick Brennan, Jr. 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

J.D.
DePaul University
- 1988
B.A.
St. John's University
- 1985

Bar Admissions

Illinois
Admitted: 1988
U.S. District Court, Northern District of Illinois
Admitted: 1988

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