Justices Told To Look At Hirshfeld's PTAB Decisions Again

By Andrew Karpan ( November 22, 2023, 6:03 PM EST) -- A libertarian think tank is using a high court appeal over invalidated patents that at one point were worth over $576.5 million in order to recirculate an argument that the U.S. Patent and Trademark Office's former interim director, Drew Hirshfeld, didn't have the power to review decisions on patent challenges....

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