||1871-1963, 1964-1991 (Chancery)
||Note: Post-1964 Law cases over 21 years old are destroyed, per Illinois statute, but all orders issued by judges in the cases are available on microfilm
||Circuit and Superior Courts, 1871-1963; Law and Chancery Divisions, 1964-present
||Case files may contain cause of action (complaint), defendant's response, motions and briefs filed, testimony (occasional), verdict (if jury trial), and judge's final order. If the case was appealed, a transcript may be present.
Civil cases reflect a variety of topics, including local area business and industry, labor issues, medical (and other) professions, sports and entertainment.
Chancery matters also dealt with class actions, arbitrations and injunctions, name changes, and proceedings of corporations.
"Burnt Records" cases filed after the Chicago Fire of 1871 to establish land ownership in lieu of destroyed paperwork are available in Archives on microfilm (1871-ca. 1950).
||Circuit Court and Superior Court, both plaintiff and defendant indexes (microfilm) 1871-1963;
Law and Chancery Division Indexes (microfilm)1964-65; Chancery Division Index (microfiche)1966-1991; Law Division Indexes 1964 forward electronic index. Docket books and clerk's record books 1871-1980; Law 1871-1991; Chancery (majority stored offsite) and Law Oversample database index