(September 22, 2016, 11:17 AM EDT) -- CHICAGO — A polymer firm properly redacted and withheld from production certain documents related to tests of its competitor’s purportedly misappropriated products, an Illinois federal judge ruled Aug. 19, deeming the disputed documents work product and irrelevant to the defendant’s deceptive acts counterclaim (PolyOne Corp. v. Yun Martin Lu, et al., No. 1:14-cv-10369, N.D. Ill.).

(Order available. Document #68-161013-016R.)

Polymer Production

Ohio-based PolyOne Corp. produces specialized polymer materials. In 2008, PolyOne merged with GLS, which makes thermoplastic elastomers (TPEs), a soft plastic used in items such...