Challenged claims of Inari Medical Inc.'s patent that discloses a system for treating embolism and associated devices and methods are unpatentable as anticipated by and obvious over prior art, the Patent Trial and Appeal Board ruled, in an inter partes review by Imperative Care Inc. The board held that the challenged claims are anticipated by and obvious over various combinations of prior art, including prior art that describes a valve for blocking the flow of gas or fluid with or without an instrument in place within the gas/fluid path, that relates to an access valve for laparoscopic or intralumenal deployment ...
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