If its a minor UI feature, you can just change it. And if you haven't made any money off of it then they will not get much in damages.

The big worry is if you'd made tons of money off of it or if it is a big part of your program.

And the way patent litigation typically works in the US it will be small companies suing large companies. So you can sue Google or MS for using your great idea. Rarely will they sue you. You generally need to be on their radar for this to happen, which usually means being a threat to one of their businesses.

At this point, moving anywhere over this is crazy premature.