Ricoh Americas, Xerox Corporation and Lexmark File Action with U.S. Patent and Trademark Office to Combat Patent-Licensing Demands
MALVERN, PA — Ricoh Americas Corporation, Xerox Corporation and Lexmark International, Inc. today filed two Petitions for Inter Partes Review of U.S. Patent No. 8,488,173; and certain claims of U.S. Patent No. 7,477,410 at the United States Patent & Trademark Office (USPTO). The new actions are being filed jointly by all three companies in a continuing effort to protect Ricoh, Xerox and Lexmark customers and dealers against the assertion of these patents by MPHJ Technology Investments LLC.
As part of the Inter Partes Review Petition, Ricoh, Xerox and Lexmark are seeking a ruling from the USPTO that the claims are unpatentable and were fully anticipated by various prior art references.