6 known cases. View patent page →
RAH Color Technologies LLC asserted the '546 patent against Seiko Epson Corp. and affiliated Epson entities. Defendants filed answers/counterclaims in 2011, and the case closed without a reported merits judgment.
RAH Color Technologies LLC asserted the '546 patent against Ricoh Americas Corp., Ricoh Co. Ltd., and Ricoh USA Inc. The case produced a published pleading-standards opinion and was terminated/closed on or about Feb. 16, 2017.
RAH Color Technologies LLC's complaint expressly listed the '546 patent among seven patents-in-suit against R.R. Donnelley & Sons Co. The case was resolved and was not part of the later MDL.
RAH Color Technologies LLC asserted the '546 patent and related patents against Fujifilm Holdings Corp. et al. in N.D. Ill.; the case is confirmed in the Stanford NPE Litigation Database.
Google Patents listed the '546 patent as asserted against Samsung Electronics Co. in N.D. Ill. The narrative could not independently verify the '546 cause of action and notes the retrieved complaint excerpt focused on the '802 and '236 patents and SEC mobile devices, so the listing is treated with caution.
Google Patents listed the '546 patent in this S.D. Ill. case, but the defendant, filing date, and outcome could not be confirmed from the sources retrieved.