How to Cite a Patent in IEEE Format

By Alex March 15, 2026 citation-guide

Understanding Patent Citations in IEEE Format

Patents are official documents granting inventors exclusive rights to their innovations. Proper citation of patents helps readers understand technological developments and verify inventions referenced in technical work.

IEEE format for patents includes inventor names, patent title, patent office, patent number, issue date, and URL if available. The format accommodates US and international patents.

IEEE Format for Patents

[#] Initials. Surname and Initials. Surname, “Patent Title,” Patent Country Patent Number, Abbrev. Patent Office, Month Day, Year.

Example:

[1] J. K. Smith and M. L. Johnson, "Advanced semiconductor processing method," U.S. Patent 11,234,567, U.S. Patent and Trademark Office, Mar. 14, 2023.

Detailed Citation Elements

Inventor Names

Include all inventors in the format Initials. Surname.

Patent Title

Patent title appears in quotation marks.

Country Code

Include country abbreviation (U.S., Japan, EU, etc.).

Patent Number

Include the complete patent number.

Patent Office

Specify the issuing patent office.

Issue Date

Include month, day, and year of patent issue.

Detailed Examples

U.S. Patent

[1] R. C. Williams, "Machine learning algorithm for image recognition," U.S. Patent 10,987,654, U.S. Patent and Trademark Office, Jan. 15, 2023.

International Patent

[2] M. S. Garcia and J. H. Lee, "Renewable energy conversion system," European Patent EP 3,789,012, European Patent Office, Feb. 14, 2023.

Multiple Inventors

[3] S. J. Lee, K. A. Thompson, and B. J. Anderson, "Advanced biodegradable polymer," U.S. Patent 11,098,765, U.S. Patent and Trademark Office, Jan. 15, 2023.

Design Patent

[4] P. J. White, "Ergonomic computer mouse design," U.S. Design Patent D 987,654, U.S. Patent and Trademark Office, Dec. 10, 2022.

In-Text Citations for Patents

IEEE uses numbered citations in square brackets:

This technology builds on earlier work [1].

Or multiple patents:

Several patents address this problem [1], [2], [3].

Special Cases in Patent Citation

Patent Application (Not Yet Granted)

[5] M. K. Chen and L. Martinez, "Quantum computing processor," U.S. Patent Application 2023/0,123,456, filed Jan. 15, 2023, and published Jul. 20, 2023.

Patent with Corporate Assignee

[6] J. Williams, "Automated drug discovery system," U.S. Patent 11,345,678, assigned to BioTech Innovations Corp., U.S. Patent and Trademark Office, Mar. 12, 2023.

Japanese Patent

[7] T. Yamamoto, "Advanced battery technology," Japan Patent JP2023-123,456, Japan Patent Office, Feb. 1, 2023.

Using GenText for Patent Citation Management

Managing patent citations across multiple jurisdictions requires tracking patent numbers and issue dates. GenText helps by:

  • Formatting patent citations in proper IEEE style
  • Tracking patent numbers from different countries
  • Organizing by inventor, technology, or field
  • Managing patent office information
  • Converting between citation styles
  • Generating reference lists for patent research
  • Maintaining patent status information

Common Mistakes with IEEE Patent Citations

  1. Incorrect patent number format: Verify official patent number format.
  2. Wrong patent office abbreviation: Use correct office designation.
  3. Missing issue date: Always include month, day, and year.
  4. Incomplete inventor information: List all inventors in correct order.
  5. Confused dates: Use issue date, not filing date.

Checklist for Patent Citations

  • All inventor names are correct
  • Patent title is accurate and complete
  • Country code is specified
  • Patent number is complete
  • Patent office is correctly identified
  • Issue date is accurate
  • Format follows IEEE guidelines
  • URL is included (if available)

Finding Patent Information

Major patent databases:

  • USPTO (United States): patents.google.com, uspto.gov
  • European Patent Office (EPO): espacenet.com
  • WIPO (World): patentscope.wipo.int
  • Japan Patent Office (JPO): Patent database
  • Google Patents: patents.google.com
  • Free Patents Online: freepatentsonline.com

Understanding Patent Types

Different patent types have specific characteristics:

  • Utility Patents: Protect functional inventions
  • Design Patents: Protect ornamental designs
  • Plant Patents: Protect new plant varieties
  • Business Method Patents: Protect business processes

Patents represent significant technological innovation. Proper IEEE citation allows readers to examine technical specifications and understand technological developments.

Frequently Asked Questions

What is the IEEE format for patent citations?

Include inventor(s), patent title, patent office, patent number, month, year, and URL if available.

How do I cite patents from different countries?

Include the country code and patent office abbreviation (US, EP, JP, etc.) before the patent number.

Should I include the grant date or filing date?

Include the date the patent was issued or granted, not the filing date.

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