Ricoh and Xerox partner for patent review

Ricoh and Xerox have teamed up to request a review of US patent number 7986426, which has become the subject of an aggressive patent licensing campaign by various affiliates of MPHJ Technology Investments aimed at the users of multi-function imaging equipment, including those supplied by Ricoh and Xerox. MPHJ’s affiliates allege that using these printers with email or network software infringes the patent, while Ricoh and Xerox say that the patent should be revoked as its claims are covered by various prior art references.

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