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Tech firms initiate nearly a third of all PTAB patent challenges, USPTO says

By Melissa Ritti ( October 8, 2025, 20:50 GMT | Insight) -- The US Patent and Trademark Office says 20 entities were responsible for 32 percent of inter partes review petitions filed between 2019 and 2024 at the Patent Trial and Appeal Board. With two exceptions, each traces its origins to the tech industry.Patent reviews authorized under the 2011 America Invents Act are being disproportionately wielded by a handful of large tech power players, according to data shared Wednesday by the US Patent and Trademark Office....

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