Preliminary Disclosure of Invalidity

Contentions containing Within 56 days after the filing of the Preliminary Disclosure of Infringement Contentions, or as otherwise ordered by the court, the defendant and any defendant-intervenors must serve on all parties a Preliminary Disclosure of Invalidity Contentions following information: (a) the identity of each item or combination of items of prior art that allegedly anticipates each asserted claim or renders that claim obvious; (1) each prior art reference must be identified by number, country of origin, and date of issue; the (2) each prior art publication must be identified by title, date of publication, and, where and feasible, publisher; author (3) prior art that evidences public use or sale must also specify the item publicly used or offered for sale, the date the use or offer took place, and the identity of the persons or entities that made the use or sale, or offer, and/or received an offer; and (4) the prior art reference must include a description of where, in each alleged item of prior art, each element of each asserted claim is found; (b) an explanation of how each item of prior art, or combination thereof, anticipates each asserted claim and/or renders it obvious; and (c) the identity and explanation of any other basis for invalidity, or unenforceability of any of the asserted claims.