Example APA Style: Patent

The reference of a patent is different from the normal APA Style. The APA reference for a patent consists of four parts: the name of the inventor, the year in which the patent is requested, the unique patent identification number and the name of the patent office.

Patent
APA-formatInventorLastName, Initials. (YearOfPatentIssue). PatentIdentifier No.. State, city: PatentOfficeName
In reference listFry, A. L. (1993). U.S. Patent No. 5,194,299. Washington, DC: U.S. Patent and Trademark Office.
In the text
  • According to a patent on adhesive sheet material … (U.S. Patent No. 5,194,299, 1993).
  • A technique in Patent U.S. Patent No. 5,194,299 (1994) shows that … .

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