We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March 31, 2023.
Early 2023 Update: Where Are Plaintiffs Filing Patent Cases Now?
As patent litigators are well-aware, the Western District of Texas and the District of Delaware, the two most popular venues for patent litigation, each issued orders regulating litigation in their districts in 2022. So as of early 2023, what effect have those orders had on patent filings?
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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 in the petition.” This errata alleviated concerns that the ruling might be interpreted to extend IPR estoppel to unchallenged claims.
Continue Reading Recent Expansion of IPR Estoppel Scope Viewed As Victory for Patent Owners