Short Summary
The PTAB denied the institution of an IPR challenge against Inari Medical's patent (11744691) covering emboli treatment systems. The Board found that the petitioner, Imperative Care, Inc., failed to demonstrate a reasonable likelihood of prevailing on its grounds of anticipation and obviousness.
Detailed Summary
Imperative Care, Inc. challenged Inari Medical, Inc.'s patent (11744691) before the PTAB based on grounds of anticipation under 35 U.S.C. § 102 and obviousness under 35 U.S.C. § 103. The petitioner focused on claims related to aspiration systems for intravascular treatment, arguing that prior art references like Garrison disclosed similar technology. However, the Board ultimately denied institution because the petitioner failed to establish a reasonable likelihood of prevailing. Specifically, the Board noted that while the petitioner argued Garrison met claim limitations, it did not disclose the required negative pressure in the first chamber, and other cited art could not satisfy this critical limitation.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Imperative Care, Inc. vs Inari Medical, Inc. is valuable context for structuring arguments or assessing risk in similar proceedings.
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