A year-and-a-half after the Electronic Frontier Foundation created a crowd-funded challenge to a patent being used to threaten podcasters, the patent has been invalidated.

In late 2013, after small podcasters started getting threat letters from Personal Audio LLC, the EFF filed what's called an "inter partes review," or IPR, which allows anyone to challenge a patent at the US Patent and Trademark Office.

Friday, April 10, 2015
ARS Technica