U.S. Code / Title 35 — Patents / Part II—Patentability of Inventions and Grant…Title 35ChapterChapter 13—Review of Patent and Trademark Office DecisionsContents§ 141. Appeal to Court of Appeals for the Federal Circuit§ 142. Notice of appeal§ 143. Proceedings on appeal§ 144. Decision on appeal§ 145. Civil action to obtain patent§ 146. Civil action in case of derivation proceeding