Wallach, Circuit Judge.
Appellant Smart Systems Innovations, LLC ("SSI") sued Appellees Chicago Transit Authority et al. (collectively, "Appellees") in the U.S. District Court for the Northern District of Illinois ("District Court"), alleging infringement of U.S. Patent Nos. 7,566,003 ("the '003 patent"), 7,568,617 ("the '617 patent"), 8,505,816...
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