Atty. Michael John O'Brien

Atty. Michael John O'Brien

Michael John O'Brien is a lawyer practicing intellectual property. Michael John received a B.S.E.E. degree from Purdue University in 1959, and has been licensed for 60 years.

Chicago Chicago 60 yrs experience 60 year
Call (312) 481-8617 Book Appointment

Profile Summary

About Michael John O'Brien at a glance

Michael John O'Brien is a ip attorney based in Chicago, Illinois. They have 60+ years of legal experience, licensed to practice since 1966. Admitted to practice in Ohio (1966) and Illinois (1985). Educated at George Washington University (LL.B., 1966) and Purdue University (B.S.E.E., 1959). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael John O'Brien is a lawyer practicing intellectual property
  • Michael John received a B.S.E.E. degree from Purdue University in 1959, and has been licensed for 60 years
  • Michael John practices in Chicago, IL

Practice Areas Explained

Michael John O'Brien's Areas of Practice

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

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Michael John O'Brien is one of 106,079 ip attorneys indexed nationally. Browse ip 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 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 Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Michael John O'Brien

Where is Michael John O'Brien's law office located?
Michael John O'Brien's law practice is located in Chicago, Illinois. You can contact the office directly through this profile page.
What practice areas does Michael John O'Brien handle?
Michael John O'Brien focuses on ip. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Michael John O'Brien practiced law?
Michael John O'Brien has 60+ years of legal experience and has been licensed since 1966.
Where did Michael John O'Brien go to law school?
Michael John O'Brien earned their education at (LL.B., 1966); (B.S.E.E., 1959).
How can I contact Michael John O'Brien for a consultation?
You can contact Michael John O'Brien 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

LL.B.
George Washington University
- 1966
B.S.E.E.
Purdue University
- 1959

Bar Admissions

Ohio
Admitted: 1966
Illinois
Admitted: 1985

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.