> which is a spurious to start with -- simply documenting making an idea public is just as much of a defense The idea behind defensive patents isn't that they

> which is a spurious to start with -- simply documenting making an idea public is just as much of a defense The idea behind defensive patents isn't that they defend your use of that idea, but that they defend you from competitors who have patents that might affect you. (Since they hopefully allow you to countersue.)