Brent points out a joke of a patent (Patent 6941562) this time hitting very close to home:

Beyond the obviousness, inspection of both the client and server side code for the patent reveals that most of it is copied directly from my JSRS library, published a year earlier, not only without attribution, but claiming it as their own “NetGratus Remote Scripting”. Of course, my license is very liberal, allowing reuse for pretty well anything, however it does say:

...

So, if you’ve been asked to license this patented technology, I’d be happy to have a look at the particular code being offered for licensing and see whether it violates my copyright by restricting you from using it without a license.