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A federal appeals court has upheld a legal process that invalidated the so-called “podcasting patent.” That process was held by a company called Personal Audio, which had threatened numerous podcasts with lawsuits in recent years.

On Monday, the US Court of Appeals for the Federal Circuit affirmed the April 2015 inter partes review (IPR) ruling—a process that allows anyone to challenge a patent's validity at the US Patent and Trademark Office.

“We’re glad that the IPR process worked here, that we were allowed to go in and defend the public interest,” Vera Ranieri, an EFF attorney who worked on the case, told Ars. (She told Ars that her favorite podcast is Lexicon Valley.) There had been a question as to whether EFF had standing during the appellate phase of the case.

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