as of 6/18/2026 5:49:50 AM

William J. Hallihan

PO Box 31934
Chicago, Illinois 60631

(312) 933-9700

patents@hallihan.com

Date Admitted

February 08, 1996

Illinois Registration Status

Active and authorized to practice law

Malpractice Insurance

In annual registration, the attorney reported that the attorney, or the attorney’s firm, does not maintain malpractice insurance. (Some attorneys, such as judges, government lawyers, and in-house corporate lawyers, may not carry coverage due to the nature of their practice setting.)

Public Record of Discipline and Pending Proceedings

None

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