Wired trademark the symbol for pi followed by a period Wired Wired reports in a piece on the fracas Wired Wired Wired's Kevin Poulsen reports http://www.wired.com/2014/05/pi-takedown/ to have a trademark on the mathematical symbol for pi Wired Wired Wired use of the pi symbol http://www.wired.com/2014/05/pi-takedown/ enraged Wired Wired Wired Wired Wired Wired reports some schlub can trademark the symbol for Pi Wired Wired.com