Patent & IP news archive

Complaint for Patent Infringement
Civil Action No. 1:12-cv-09157; no judge yet assigned.
Filed on Nov. 15, 2012 in the U.S. District Court for the Northern District of Illinois;


Edwards Wildman Palmer LLP; Chicago, IL
John Sheldon Letchinger
Edward Timothy Walker


Patents in case

  • D572755: “Marker and cap” by Brigham et. al. Prosecuted by Klarquist Sparkman, LLP.. Granted 7/8/2008.

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Case documents (PDF)

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