The adjective story is neither a fact nor a law codified by statute. It is just one approach lawyers use to try to prevent trademarks becoming generic. There are others.

Also, I probably left some ™ markers out of the coinage I quoted.

-rob

On Sat, Feb 15, 2025 at 9:55 AM Ron Natalie <ron@ronnatalie.com> wrote:

The lawyers insisted that Unix be upper case and only used as an adjective.

That is required for trademarks. A trademark has to be an adjective describing a generic noun.