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'Sea change' at US PTAB has some industries on edge, others encouraged

By Melissa Ritti ( September 10, 2025, 18:46 GMT | Insight) -- A panel of experienced litigators — and the new chief judge of the Patent Trial and Appeal Board — on Tuesday unpacked a host of changes to the patent review procedures introduced with 2011’s America Invents Act. One hour later, what was clear is that whether those changes are viewed as virtue or vice is very much in the eye of the beholder.Just days into his tenure as the new acting chief judge at the US Patent and Trademark Office's Patent Trial and Appeal Board, Kalyan Deshpande advised patent practitioners Tuesday* to avoid generalities and make fact-based, circumstance-specific arguments when arguing for or against a discretionary denial of inter partes review (IPR) or post-grant review (PGR) under the America Invents Act....

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