"[Defendant] . . . argues . . . that "[plaintiff] should not be allowed to wait silently while $5.3 million in alleged damages accrue where [defendant], upon notice of infringement, quickly and easily changed to a non-infringing [device]. . . . The accrued liability from the infringement is not economic prejudice for purposes of [a] laches defense."
The GSI Group Inc v. Sukup Manufacturing Co., 3-05-cv-03011 (ILCD October 29, 2008, Opinion).