How should a patent owner notify the USPTO of prior or concurrent proceedings?
Patent owners should notify the USPTO of prior or concurrent proceedings as specified in MPEP 1418:
“The patent owner has a duty to notify the Office in writing, within two months of the date of the order … of any prior or concurrent proceedings in which the patent is or was involved such as interferences, reissues, ex parte reexaminations, inter partes reexaminations, supplemental examinations, inter partes reviews, post grant reviews, and litigation.”
This notification should be in writing and submitted within two months of the reexamination order. It should include details of any proceedings involving the patent, such as litigation or other USPTO proceedings.
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