The angry little kitty Grumpy Cat is at it again. The scowling sourpuss has had her fair share of fame—from winning “Meme of the Year” at the Webby Awards to a mug, T-shirt, and sticker empire—but now ...

In a legal development that could only occur in this age of Internet, social media, and memes, Grumpy Cat is at the center of a lawsuit over a beverage company using the cantankerous kitty’s name.

After the displeased feline’s facial expression went viral, the owners were quick to capitalise and make some serious money with successful merchandise lines. One such product was the “Grumppuccino” ...