MPEP § 902.03(a) — Patent Classification Home Page on the Internet (Annotated Rules)
This page consolidates and annotates all enforceable requirements under MPEP § 902.03(a), including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.
Patent Classification Home Page on the Internet
This section addresses Patent Classification Home Page on the Internet.
Source Text from USPTO’s MPEP
This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.
Official MPEP § 902.03(a) — Patent Classification Home Page on the Internet
Source: USPTO902.03(a) Patent Classification Home Page on the Internet [R-01.2024]
The Office of Patent Classification Home Page address on the internet is www.uspto.gov/Classification. The site is the clearinghouse for classification information. The site includes the following: (A) links to the Cooperative Patent Classification (CPC) system; (B) United States Classification (USPC) system resources including class definitions, the USPC index, and the Handbook for Classification; and (C) additional classification resources related to international classification.