Woe betide those who violate Grumpy Cat’s intellectual property

If you were looking at humorous pictures of cats on the internet in 2012, you might remember a particularly grumpy one.The cat was named Tardar Sauce (a gross slur, when you think about it), and her owners became very, very rich in the years that followed. There was a Grumpy Cat movie, Grumpy Cat toys, and all manner of lesser-known Grumpy Cat products, basically a miniature industry of crap made in the image of this visibly unhappy pet.
Now, six years later, that industry is mature, and it&rsq