https://www.uspto.gov/trademarks/protect/caution-online-auctions
Use extreme caution if buying registered trademarks from online auctions | USPTO
Beware of buying registered trademarks from online auctions. Some are invalid and unenforceable, and you may face legal proceedings.
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https://www.fortinet.com/corporate/about-us/contact-us/fortinet-trademark-guidelines
Fortinet Registered Trademarks and Guidelines
The following trademarks are owned exclusively by Fortinet and may be registered in the U.S. or other countries.
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