Network Associates Nets Broad Anti-Spam Patent

The patent covers various computer program products, systems and methods.

Network Associates Technology Inc. has been granted a broad patent for filtering unwanted e-mail messages. The patent covers "various computer program products, systems and methods," including the use of multiple spam-filtering techniques such as compound filters and paragraph hashing.

Some legal experts have expressed doubt that the patent will stand up to challenges given its wide scope.

Read the full story at Computer Weekly