- 2301-Interference Proceedings
- 2302-Consult an Interference Practice Specialist
- 2303-Completion of Examination
- 2304-Suggesting an Interference
- 2305-Requiring a Priority Showing
- 2306-Secrecy Order Cases
- 2307-Action During an Interference
- 2308-Action After an Interference
- 2309-National Aeronautics and Space Administration or Department of Energy
- 2310-Derivation Proceedings
- 2311-Consult a Technology Center Practice Specialist
- 2312-Board May Assume Jurisdiction
- 2313-Action Once a Derivation Proceeding is Instituted
- 2314-Action at the Board
- 2315-Action After a Derivation Proceeding is Decided
Throughout this chapter, "Board" is used to refer to the Patent Trial and Appeal Board and its predecessor organizations, the Board of Patent Appeals and Interferences and the separate Board of Appeals and Board of Interferences.