ACS Citation Guide - Patent

How to Cite a Patent in ACS: Format and Examples

Learn how to cite patents in ACS style.

Citation Format

(1) Inventor, A. A. Patent Title. U.S. Patent Number, Month Day, Year.

Example

(1) Smith, J. A. Research Method Device. U.S. Patent 123456, January 15, 2023.

Important Notes

  • Use numbered citations
  • Include patent number
  • Include issue date

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