Intellectual Property


Hairy-Visor Infringement Update!

A reader (Prof. Steve Kass) who was intrigued by yesterday's intellectual-property tale did a little research and uncovered some potentially relevant evidence. First, as you may recall, the plaintiff is seeking a declaratory judgment that it did not infringe on a…





Chubby Checker Suing Over “The Chubby Checker”

Chubby Checker, a.k.a. Ernest Evans, a.k.a. the guy who sang "The Twist," is suing the makers and sellers of a smartphone app for Palm devices known as "The Chubby Checker" for trademark infringement. While possibly the most dramatic revelation resulting…


U.S. Pat. No. 430,388: The Crooked Baseball Bat

The inventor continued: The object of my invention is to provide a ball-bat which shall produce a rotary or spinning motion of the ball in its flight to a higher degree than is possible with any present known form of…




UPDATE: More on Your Freedom to Tebow

As I mentioned the other day, many media outlets have been reporting incorrectly that Tim Tebow had been granted a trademark on the act of "Tebowing," not just the term. To some extent this may have been a misunderstanding of…