U.S. Code / Title 35 — Patents / Part III—Patents and Protection of Patent…Title 35ChapterChapter 32—Post-Grant ReviewContents§ 321. Post-grant review§ 322. Petitions§ 323. Preliminary response to petition§ 324. Institution of post-grant review§ 325. Relation to other proceedings or actions§ 326. Conduct of post-grant review§ 327. Settlement§ 328. Decision of the Board§ 329. Appeal