See... there is this Austrian parachuter who broke the world record for the highest jump a day or two ago. You may have heard of that Mr. Hogan who actually sued Baumgartner's sponsor for stealing the idea of breaking the world record in skydiving... and then remember about 10 years ago when that guy sued McDonalds for serving hot coffee (which he clenched between his legs while driving, with a foreseeable result at the next traffic light). And don't forget that Korean company being sued for selling a black phone with a touch display.
There are very few things that are too absurd to sue someone for in the USA, and sadly it's no joke. I'd laugh if it couldn't possibly affect me as well.
Either way, copyright infringment as in "using some other game's artwork for my own stuff" is not something that's solely actionable in the USA. There are very few countries where this is seen as a trifle (China might be such a place, the government seem to be quite relaxed on that field). In the vast majority of places on this planet, you'll be getting yourself into serious trouble with that.
Yeah, i totally agree on bold part and it's not like i will do it, but this patent thing is just ridiculous. I wonder how come no one patented Dice and Cards, or even Thinking for that matter.
Anyways, thanks for your responses! I'll dig into Pixel Art myself