Atty. Dennis Michael Quinn

Atty. Dennis Michael Quinn

Dennis Michael Quinn is a lawyer practicing general practice, corporate & securities, financial institutions m&a and 3 other areas of law. Dennis received a M.A. degree from University of Kansas in 1974, and has been licensed for 47 years.

Chicago Chicago 47 yrs experience 47 year
Call (312) 535-4941 Book Appointment

Profile Summary

About Dennis Michael Quinn at a glance

Dennis Michael Quinn is a Counsel based in Chicago, Illinois, practicing at Mayer Brown Llp. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on business, m&a, and securities. Admitted to practice in Illinois (1979). Educated at The University of Kansas School of Law (J.D., 1979) and University of Kansas (M.A. University, 1974). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dennis Michael Quinn is a lawyer practicing general practice, corporate & securities, financial institutions m&a and 3 other areas of law
  • Dennis received a M.A. degree from University of Kansas in 1974, and has been licensed for 47 years
  • Dennis practices at Mayer Brown LLP in Chicago, IL

Practice Areas Explained

Dennis Michael Quinn's Areas of Practice

Each practice area below reflects the types of cases Dennis Michael Quinn 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.

Dennis Michael Quinn is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Mergers & Acquisitions

Dennis Michael Quinn is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →

Securities Law

Dennis Michael Quinn is one of 64,529 securities attorneys indexed nationally. Browse securities 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 Dennis Michael Quinn

Where is Dennis Michael Quinn's law office located?
Dennis Michael Quinn's law practice is located in Chicago, Illinois. The firm is Mayer Brown Llp. You can contact the office directly through this profile page.
What practice areas does Dennis Michael Quinn handle?
Dennis Michael Quinn focuses on business, m&a, securities. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Dennis Michael Quinn practiced law?
Dennis Michael Quinn has 47+ years of legal experience and has been licensed since 1979.
Where did Dennis Michael Quinn go to law school?
Dennis Michael Quinn earned their education at (J.D., 1979); (M.A. University, 1974).
How can I contact Dennis Michael Quinn for a consultation?
You can contact Dennis Michael Quinn 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.
The University of Kansas School of Law
- 1979
M.A. University
University of Kansas
- 1974

Bar Admissions

Illinois
Admitted: 1979

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