35 U.S.C. § 322 — Petitions

(a) Requirements of Petition. A petition filed under section 321 — a post-grant review petition challenging a patent — will only be considered if it meets five requirements: it must come with the fee the Director set under section 321; it must name every real party with an interest in the case; it must spell out, in writing and in detail, each patent claim being challenged, the grounds for challenging it, and the evidence backing those grounds — including copies of any patents or publications the petitioner relies on, and sworn statements or declarations if the petitioner relies on other facts or expert opinions; it must include any other information the Director requires by regulation; and the petitioner must send copies of everything required by the second, third, and fourth requirements to the patent's owner, or to the owner's designated representative. (b) Public Availability. As soon as it reasonably can after receiving a petition, the Patent Office's Director must make the petition available to the public.