GameStop's stock price closed lower by $1.30—a five percent loss overall—after word this morning that Sony had applied for a patent on technology that could restrict how used games are played on its next console.

A patent application published today resurrects the rumor that Sony's next gaming console will suppress the playing of used games, and outlines how such a scheme would be accomplished without the use of an always-on Internet connection for verification. In short, an RFID ID stamped onto the new discs would track their…

Used games: you love them, need them and want to marry them. Publishers and developers blame the second-hand market for lack of innovation, saying the money they don't see from used games would let them be more creative.

The design firm Coque Design may have worked on illustrations for certain features of the next PlayStation, according to pictures a tipster spotted on its website today.