Chicago Citation Guide - Patent

How to Cite a Patent in CHICAGO: Format and Examples

Learn how to cite patents in Chicago 17th edition format.

Citation Format

Inventor, First Name. Patent Title. U.S. Patent Number, issued Month Day, Year.

Example

Smith, John. Research Method Device. U.S. Patent 123456, issued January 15, 2023.

Important Notes

  • Include patent number
  • Specify issue date
  • Format as "issued Month Day, Year"

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