Request for ex parte reexamination.
Request for inter partes reexamination.
Except as provided for in § 1.907, any person other than the patent owner or its privies may, at any time during the period of enforceability of a patent which issued from an original application filed in the United States on or after November 29, 1999, file a request for inter partes reexamination by the Office of any claim of the patent on the basis of prior art patents or printed publications cited under § 1.501. Please see 37 CFR 1.913, 1.915 [PDF viewer required]. or MPEP 2610-2624 for more information.
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