> All software with a free software license can be considered free until it
> is actually found to infringe a patent.
I would say *proven* to infringe a patent. And that needs a court case. And a bucketload of money. And not $1 bills.
So, all software is free, and the patent system is broken, and keeps approving patents which, if challenged, would be invalidated. So, as I said, I don't worry about patents, and I don't think a patent should ever be a reason not to write a piece of free software.