We'll call it Overwa-- What do you mean that's taken?

Apparently Blizz might have to change the name of Overwatch to something else.

Innovis Labs submitted a US Patent and Trademark request for the name Overwatch 2 months prior to Blizzard submitting the same request, and you can probably guess the rest.

Here's a short blurb from The Escapist on this little mixup.