Signal Trademarks

Updated on March 7, 2024

Trademarks of Signal Technology Foundation ("Signal") registered in the U.S. Patent and Trademark Office and in other countries include, but are not limited to the following.

When using these marks in publications in the United States please include the appropriate ® symbol on first use as well as the following attribution notice: "Signal, the Signal logo, and all related names, designs, and slogans are registered trademarks of Signal Technology Foundation."

The absence of a product name or logo from this list does not constitute a waiver of Signal's trademark or other intellectual property rights concerning that name or logo.

US Registered Trademarks

Signal

Other Trademarks

Say "hello" to privacy
Speak freely