The ‘504 patent has a priority date of 1996, but as the EFF showed during its challenge to the patent office, that’s hardly the beginning of “episodic content” on the Internet. The EFF relied on two key examples of earlier technology to beat the patent: one was CNN’s “Internet Newsroom,” which patent office judges found fulfilled the key claims of having “(1) episodes; (2) an updated compilation file; and (3) a ‘predetermined URL’ for the compilation file.”

via Infamous “podcasting patent” knocked out | Ars Technica.