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APA 7th Edition Citation Examples

Patents - Parts of the Reference

Reference list citation

Fry, A. L. (1993). U.S. Patent No. 5,194,299. Washington, DC: U.S. Patent and Trademark Office.

In-text citation:

(Fry, 1993)

Most patent APA citations have four basic elements:

  1. Name of the inventor to whom the patent was issued
  2. Year the patent was issued,
  3. Unique patent identifier (i.e., the patent number) 
  4. Name of the official source of the patent information (usually the name of the patent office).


Parts of the Reference

Name of Inventor

Fry, A. L.

Year Issued


Unique Patent Identifier

U.S. Patent No. 5,194,299.

Location & Name of Official Source

Washington, DC: U.S. Patent and Trademark Office.


See The University of Akron's Bluebook Quick Reference: Abbreviations and How-tos for help with abbreviations​.

More info

See Publication Manual, 11.8