Augmented Legality writes:

"Soon, technologies that augment our sense of touch may lead to a rush of trademark applications seeking to protect a wide variety of artificial textures."

Brian Wassom goes on to identify an interesting new technology being promoted by Senseg, a Helsinki-based company that apparently knows a lot about tixels (tactile pixels):

"Senseg E-Sense

The October/November issue of Brand Packaging magazine just hit the streets and I’m deeply honored to say that my piece entitled "A Trademark Touch: Strategies for Owning and Protecting Touchmarks" is this issue’s "cover story" (minus the skull and crossbones).

The digital version can be read here. I hope you find it