August 10, 2011
Seiko Epson Corp. on Tuesday settled a case in Delaware in which it accused Giantplus Technology Co. Ltd., LeapFrog Enterprises Inc. and Mattel Inc. of infringing patents related to liquid crystal display technology.
April 11, 2011
Seiko Epson Corp. sued Mattel Inc. in Delaware federal court on Thursday, alleging the toymaker and others infringed three patents related to liquid crystal display technology.