The EFF recently successfully petitioned the USPTO to invalidate Personal Audio's patent claim on podcast technology: https://www.eff.org/press/releases/eff-bus

The EFF recently successfully petitioned the USPTO to invalidate Personal Audio's patent claim on podcast technology: https://www.eff.org/press/releases/eff-busts-podcasting-patent-invalidating-key-claims-patent-office https://www.eff.org/press/releases/eff-busts-podcasting-pate...