Senseo
Discount supermarket Aldi promoted the sale of a new soap dispenser. Philips, owning the rights to the Senseo coffee machine put a stop on it.
Copyright & Designs
Monkey selfie
Who owns the copyright to this selfie: the photographer who set up the camera or the monkey? The US Copyright Office ruled that the picture is in the public domain because animals can not own a copyright.
Orbito game
You win game of the year and within 3 months your game is copied. Copyright (game concept, rules), design (product appearance) and trademark (Orbito vs "Orbital logic chess") made sure this didn't last long.