Oft-Challenged VoIP-Pal Patent Singled Out Again For Inter Partes Review

(March 2, 2023, 11:51 AM EST) -- ALEXANDRIA, Va. — T-Mobile USA Inc. has requested that the Patent Trial and Appeal Board institute inter partes review (IPR) of a VoIP-Pal.com Inc. patent, which is already the subject of two pending IPRs and was the target of six petitions in which institution was denied....

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