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Home   •   Support  •  STN  •  User Documentation  •  Patent Information

Searching for Patent Information

Quick Reference Cards and Guides

• Cited patent searching (PDF) (~125K)
• FSEARCH for finding patent families (PDF) (~125K)
• FSORT for grouping patent records into families (PDF) (~130K)
• Patent classifications thesauri in USPATFULL (PDF) (~125K)
• Patent search fields (PDF) (~105K)
  
  

STNotes

• Searching U.S. Patents in USPATFULL and USPAT2 (PDF) (STNote 28; Revised 12/01)
• Patent Family Information in CAplus (PDF) (STNote 19; 11/98; Reviewed 3/05)
• FAMILY SEARCH and FAMILY SORT (PDF) (STNote 2; 12/94; Reviewed 3/05)
  
  

User References

• Patent Databases on STN 
• Patent Search Examples
  
• CAS Patent Coverage
  
• IPC Reform 
• STN Training Center (provided by FIZ Karlsruhe)

For additional topics, see also STN User Documentation.