- # CPC Search (Cooperative Patent Classification)
- Single Document
- CPC Symbol / Code
- Text Search CPC Subgroup Titles
- # Search Community Digest Collections
- Single Document
- Text Search All Community Collections Digest Titles
- Text Search a Specific Community Collection
- # Search Personal Digest Collections
- Single Document
- Text Search All Personal Digests Collections Digest Titles
- # US Patent Family Search
- Application SN
- US PGPUB Number
- US Patent Number
CPC Search (Cooperative Patent Classification)
Single Document
Type a US patent or pgpub number into the text box; click on the "Search" button. A complete CPC classification for the document will be returned. Example below:
- Document number that you entered.
- Button to load selected cpc subgroups to the digest-pile.
- The purple hightlight indicates the cpc "inventive concept".
- Checkbox to select a subgroup for entry to the digest-pile.
CPC Symbol / Code
In a CPC symbol or code the following fields immediately follow each other:
- section → A, B, C, D, E, F, G, H, or Y
- class → two digits, pad with zero for single digit
- subclass → single letter
- maingroup → digits, no zero padding
- subgroup → forward slash ( / ) followed by digits
Type as many characters of the symbol as you want. A CPC listing of the corresponding section, class, subclass, maingroup, and subgroup categories will be returned. In this listing, clicking on the leftward-pointing arrow will take you to the appropriate page for the CPC category.
Text Search CPC Subgroup Titles
Enter a search term into the subgroup title text search box. The cpc database will be searched for an exact match for the characters you enter, case insensitive, no wild-cards.
- Search term that you entered.
- Button to load selected cpc subgroups to the digest-pile.
- Checkbox to select a subgroup for entry to the digest-pile.
- Highlighted search term in the search results.
- Document viewer button; click to see subgroup documents in the document-viewer.
Search Community Digest Collections
Single Document
Type a US patent or pgpub number into the text box; click on the "Search" button. A the document-taggings in all the community digest collections will be returned.
Text Search All Community Collections Digest Titles
Text Search a Specific Community Collection
Search Personal Digest Collections
Single Document
Type a US patent or pgpub number into the text box; click on the "Search" button. A the document-taggings in all your personal digest collections will be returned.
Text Search All Personal Digests Collections Digest Titles
US Patent Family Search
