HDMI Licensing, LLC is the agent responsible for licensing the HDMI Technical Specification, promoting
the HDMI standard and providing education on the benefits of the HDMI Technical Specification to
manufacturers, retailers, and consumers. The HDMI Technical Specification was developed to be the
all-digital interface standard for the consumer electronics and personal computer markets. The HDMI
Technical Specification combines uncompressed high-definition video, multi-channel audio, and data in
a single digital interface to provide crystal-clear digital quality over a single cable. For more
information, please visit www.hdmi.org.
HIGH-DEFINITION MULTIMEDIA INTERFACE
The HDMI Trademarks are protected under United States and international trademark laws. HDMI,
Licensing, LLC is the exclusive owner of numerous valuable trademark rights that are used in association
with a wide variety of consumer electronics and personal computers products throughout the world.
Consumers recognize the value and quality of genuine HDMI products based on the mark associated
HDMI Licensing, LLC authorizes use of the HDMI Trademarks, only to manufacturers who have entered
into a binding license agreement with HDMI Licensing, LLC, as well as their authorized distributors and
HDMI Licensing, LLC considers all IP (Intellectual Property), including trademarks, service marks, word
marks and images as valuable corporate assets that identify goods as being associated with HDMI
Licensing, LLC. It is the policy of HDMI Licensing, LLC to take the steps necessary protect its assets
against all unauthorized use.
HDMI Licensing, LLC routinely monitors the Internet, including auction sites such as eBay, in order to
protect its rights. As part of that effort, HDMI Licensing, LLC notifies eBay of auction listings containing
unauthorized use of the HDMI Trademarks.
Message to sellers on eBay
HDMI Licensing, LLC strongly recommends you procure your HDMI products from legally authorized
suppliers to avoid disruptions to your business. A current list of licensed HDMI suppliers (Adopters) is
If your supplier does not appear on the list of HDMI Adopters, you should ensure that your goods
originate from a properly authorized HDMI supplier by requesting the following documentation from
A copy of current HDMI Adopters Certificate from the manufacturer (Adopter).
Declaration from the manufacturer (Adopter) confirming the products are manufactured under
a license granted by HDMI Licensing, LLC
A copy from the manufacturer (Adopter) of either a confirmation or certification of passing
HDMI test results from an ATC (Authorized Test Center) or a letter from HDMI Licensing, LLC
confirming receipt of self-test results.
Innocent intent is an invalid defense under United States Federal and State Trademark Laws. Prior to
listing any item on eBay you have the responsibility to ensure you are not violating any intellectual
property rights. Selling counterfeit or knock-off products infringes HDMI Trademarks, and can result in
liability for damages and serious criminal penalties, including termination of eBay selling privileges.
If your account is suspended by eBay due to trademark infringement (even if you were unaware that the
products were infringing), HDMI Licensing, LLC will not arbitrate with eBay on your behalf to reinstate
you as a seller.
Message to buyers on eBay
Visually, it is very difficult to identify properly licensed products from counterfeit products. HDMI
Licensing, LLC recommends you purchase products from only licensed manufacturers (Adopters) or their
authorized resellers. HDMI Licensing, LLC offers many resources to assist with this:
1) Licensed HDMI Adopter List: http://www.hdmi.org/learningcenter/adopters_founders.aspx
2) HDMI Associate page: http://www.hdmi.org/associate/index.aspx
3) HDMI Product Finder: http://www.hdmi.org/prodFinder/ProductSearch.aspx
HDMI Licensing, LLC is making every effort to impact the counterfeit sales found across internet sites.
HDMI Licensing, LLC is not an administrator for the services provided on eBay and is not in a position to
comment on individual disputes arising from purchases between you and the sellers of unlicensed
“HDMI” products. For any problems with counterfeit products, malicious behavior or unreasonable
treatment from eBay sellers, please consult with eBay Customer Support.
Frequently Asked Questions (FAQ)
Q: Why was my auction terminated/removed?
Use of the HDMI Trademarks is in violation of the HDMI guidelines.
Common trademark violations include, but are not limited to, the following:
1) The use of version numbers (1.4b, 1.4a, 1.4, 1.3, etc…) with the promotion of HDMI products
2) The use of “wireless HDMI”
The HDMI logo is altered or skewed
The incorporation of third party marks or text with our trademarks
The clear space around the logo is inadequate
The HDMI Trademarks are being used in the product name or model number
A complete copy of the HDMI Trademark and Logo Usage Guidelines is available for download at the
following link: http://www.hdmi.org/learningcenter/trademark_logo_pub.aspx
The manufacturer of your HDMI products(s) is not licensed
A current list of all licensed HDMI manufacturers is available on our website at:
Q: Why was my auction singled out, when there are other auctions on eBay with unauthorized use of
the HDMI Trademarks?
HDMI Licensing, LLC is working diligently to ensure that all unauthorized use of HDMI Trademarks is
removed from the eBay website. It is our intent to remove all unauthorized use of HDMI
Q: I downloaded the HDMI Trademarks from HDMI.org can I use these marks to promote my
HDMI Licensing, LLC. authorizes use of the HDMI Trademarks to manufacturers who have entered
into a binding license agreement with the HDMI Licensing, LLC, as well their authorized distributors
and resellers. Please refer to the section “Message to sellers on eBay” to understand how to source
Only HDMI products manufactured under a license agreement with HDMI Licensing, LLC are
authorized to use the HDMI Trademarks. A current list of all licensed HDMI Adopters is available on
our Website at: http://www.hdmi.org/learningcenter/adopters_founders.aspx
Q: How can I tell if the HDMI products I am selling are licensed?
Visit the HDMI licensed Adopters list to see if your supplier is licensed:
Ask your supplier to provide supporting documentation the HDMI products are licensed and
authorized to use the HDMI Trademarks
Q: How do I report unauthorized use of the HDMI Trademarks?
please contact us at: customs@HDMI.org