Zijian Han

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Zijian Han is an associate in the Intellectual Property Practice Group in the firm’s Silicon Valley office.

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Recent Expansion of IPR Estoppel Scope Viewed As Victory for Patent Owners

UPDATE: On Feb. 22, 2022, the Federal Circuit issued an errata to the original decision clarifying that the IPR estoppel only applies to challenged claims. The corrected language reads, in relevant part, that “estoppel applies […] to all grounds not stated in the petition but which reasonably could have been asserted against the claims included … Continue Reading
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