How to cite patents in AMA

AMA Patent citation

To cite patents patents in a reference entry in AMA style 11st edition include the following elements:

  1. Inventor(s) name: Give the name of the inventor.
  2. Assignee(s) name: Give the name of the assignee.
  3. Title of patent: Describe the item if no title is given. Do not italicize.
  4. Patent number: Give the number assigned to the patent.
  5. Date of publication: Give the month day, and year of publication.

Here is the basic format for a reference list entry of patents patents in AMA style 11st edition:

Inventor(s) name, inventor; Assignee(s) name, assignee. Title of patent. No. Patent number. Date of publication.

Take a look at our reference list examples that demonstrate the AMA style guidelines in action:


A patent by one inventor

Blume AE, inventor; US Secretary of Army, assignee. Thermionic conversion of microwave energy to direct current. U.S. Patent No. 3,432,690A. August 31, 1966.

A patent by one inventor

Lang P, inventor; Imaging Therapeutics Inc, assignee. Methods and Devices for Quantitative Analysis of X-Ray Images. U.S. Patent No. 7,050,534. August 20, 2002.

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