There are plenty of stupid patents out there. Among them, software patents are probably the stupidest. There's supposedly a requirement that patents cover Novel technologies or applications.'s one click patent is among the worst. TheBrain's US6031537: Method and apparatus for displaying a thought network from a thought's perspective is almost as bad.

The Brain's patent could easily conflict with all existing mindmap or context-linking applications, including Everything2.

If you'd like to challenge a stupid patent, a good place to check is Also see the Intellectual Property section of EFF