Title 35 › PART III — PATENTS AND PROTECTION OF PATENT RIGHTS › CHAPTER 32 — POST-GRANT REVIEW › § 322
To be considered under section 321, a petition must follow certain rules. The filer must pay the fee set by the Director, name every real party in interest, say exactly which claims are being challenged and why, and give the evidence for each challenge (including copies of patents or publications and any affidavits or expert statements). The petitioner must also give any other information the Director requires and provide copies of these materials to the patent owner or their representative. After the Director gets the petition, the Director must make it available to the public as soon as possible.
Full Legal Text
Patents, Source: USLM XML via OLRC
Legislative History
Reference
Citation
35 U.S.C. § 322
Title 35, Patents
Last Updated
Sep 22, 2026
Release point: 119-110