as of 6/18/2026 2:55:40 AM

John Francis Brennan

John F Brennan
10 S La Salle St Ste 3500
Chicago, Illinois 60603-1025

(312) 236-0321

Not available

Date Admitted

November 16, 1984

Illinois Registration Status

Not authorized to practice law due to discipline and has not demonstrated required MCLE compliance – Last Registered Year: 2005

Malpractice Insurance

No malpractice report as attorney is disciplined

Public Record of Discipline and Pending Proceedings
Case(s) below are identified by caption and Commission case number. If there is more than one case, the cases are listed from most recent to oldest. A case may have more than one disposition or more than one component to a disposition, in which case each disposition and component is also listed separately within that case record, again in an order from most recent to oldest.

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Case Research
to access any documents regarding this lawyer that are in our database. Case Research contains most disciplinary opinions of the Supreme Court and most disciplinary orders and board reports issued since 1990. If Case Research does not contain the information you are seeking, please contact the Commission's Clerk's Office for assistance. Contact information for the Clerk's office is available under Clerk's Office Services.

In re Brennan, John Francis, 07CH0024
Disposition Suspension for a specified period of time and until further order of the Court
Effective Date of Disposition 11/20/2007
End Date of Disposition
Definition of Disposition A suspension until further order of the Court reflects a determination that the lawyer has engaged in misconduct and that the misconduct warrants an interruption of the lawyer's authority to practice law during the suspension period, which is a fixed period of time identified in the Supreme Court's order and until the lawyer has demonstrated rehabilitation, good character, and current knowledge of the law in a subsequent reinstatement case. The lawyer is not authorized to practice law during the period of the suspension.
Case Summary Mr. Brennan, who was licensed in 1984, was suspended for two years and until further order of the Court. He neglected three client matters, practiced law while suspended for prior misconduct, and failed to cooperate with the disciplinary investigation. He was previously disciplined for neglect.
In re Brennan, John Francis, 05CH0038
Disposition Suspension with condition(s)
Effective Date of Disposition 12/13/2005
End Date of Disposition
Definition of Disposition A suspension with conditions reflects a determination that the lawyer has engaged in misconduct and that the misconduct warrants both an interruption of the lawyer's authority to practice law during the suspension period, and the imposition of conditions with which the lawyer must comply. The suspension may be for a fixed period of time or for a fixed period of time and until the lawyer complies with the conditions. The lawyer is not authorized to practice law during the period of the suspension.
Case Summary Mr. Brennan, who was licensed in 1984, was suspended for three months and until he completes the program offered by the Illinois Institute for Professional Responsibility and enrolls in a law office management course. He neglected a driver's license reinstatement claim and a foreclosure case. He also made misrepresentations to the client in the foreclosure case. The suspension is effective on December 13, 2005.
In re Brennan, John Francis, 03CH0127
Disposition Censure
Effective Date of Disposition 09/24/2004
End Date of Disposition Not Applicable. Censures and reprimands do not affect the authority of the lawyer to continue to practice law.
Definition of Disposition A censure reflects a determination that the lawyer has engaged in misconduct, but that the violation is not so serious to warrant a sanction that would affect the lawyer’s authority to continue to practice law. As a result, censure does not affect the authority of a lawyer to continue to practice law.
Case Summary Mr. Brennan, who was licensed in 1984, was censured. He agreed to represent a client in a claim for fraud and deceptive practices arising out of a real estate transaction. He neglected the matter and misled the client about the status of the claim for several years.
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