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Originally published on Law360, Feb. 3, 2016. Posted with permission.

For the past three years, we’ve taken a close statistical look at the previous year’s decisions from the Illinois Supreme Court to see what insights could be gained about the justices’ voting patterns and decision making dynamics. (View the 2012 analysis here, 2013

2678306311_27b4b0d2ff_zYesterday, we addressed the Illinois Supreme Court’s standards for granting leave to file amicus briefs. Today, we turn to the data.

Civil cases which attract no amicus briefs are rare before the United States Supreme Court and a few of the state Supreme Courts, such as California. Multiple-amicus cases are not uncommon, and cases

8122523_ab151ea98b_zThe role of amicus curiae briefs in litigation before state Supreme Courts has been receiving scholarly attention during the past several years. Some have suggested that some interest groups have begun to see appellate litigation as merely another political arena in which to promote their policy goals.[1] Others have suggested that the explosion of