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Join the world's most innovative manufacturers that have shipped billions of HDMI devices. Access the HDMI® Specifications and use the HDMI Trademarks.
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HDMI 2.1b Specification
The most recent HDMI® Specification supports higher video resolutions and refresh rates including 8K60 and 4K120, even resolutions up to 10K.
Learn more...HDMI Authenticate
Report an infringer. You can report suspected counterfeiters and help ensure only Licensed Products are within the HDMI Ecosystem.
Learn more...Press Releases
Announcements
January 06, 2025
January 05, 2021
February 04, 2024
August 10, 2023
Trademark Usage
Guidance on proper use of the HDMI® logo and other trademarks. UPDATED June 18, 2025
Learn more...HDMI Cable Guide
Make sure you understand the various cable types and the required packaging logos.
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HDMI® Licensing Administrator, Inc. (HDMI LA) is the agent appointed by the HDMI Forum to license Version 2.1b of the HDMI Specification and is the agent appointed by the HDMI Founders to license earlier HDMI Specifications.
Useful Links
Our Contacts
USA
HDMI® Licensing Administrator, Inc.550 S. Winchester Blvd,
Suite 515
San Jose, CA 95128, USA
Contact HDMI LA