Divergent Decisions Highlight Uncertainty Of IPR Estoppel

By Harper Batts and Li Guo (May 4, 2023, 5:32 PM EDT) -- This year has so far proved that a primary issue of interest in patent disputes is the question of inter partes review estoppel, particularly with defendants frequently filing Sotera stipulations before the Patent Trial and Appeal Board to avoid discretionary denial of an IPR challenge under the Fintiv analysis....

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