Chapter 900 — Prior Art, Classification, and Search
Ninth Edition, Revision 01.2024
Contents
- 901 Prior Art
- 902 Search Tools and Classification Information
- 903 Classification in USPC
- 903.01 Statutory Authority
- 903.02 Basis and Principles of Classification in USPC
- 903.03 Availability of Foreign Patents
- 903.04 Classifying Applications for Publication as a Plant Patent Application Publication in USPC
- 903.05 Addition, Deletion, or Transfer of U.S. Design Patents by USPC Classification
- 903.06 Harmonized Subclasses
- 903.07 Classifying and Cross-Referencing Design and Plant Applications at Allowance
- 903.08 [Reserved]
- 903.09 [Reserved]
- 904 How to Search
- 905 Cooperative Patent Classification
- 906 International Classification of Patents for Inventions
- 907 Locarno Classification Designations
- 908 [Reserved]
- 909 Routing and Docketing of Applications