Apple has trademarked a Unicode codepoint
https://news.ycombinator.com/item?id=8379765https://www.apple.com/legal/intellectual-property/guidelinesfor3rdparties.html
Use of the “keyboard”; Apple Logo (Option-Shift-K) for commercial purposes without the prior written consent of Apple may constitute trademark infringement and unfair competition in violation of federal and state laws. Use of Apple trademarks may be prohibited, unless expressly authorized.