Challenged claims of Inari Medical Inc.'s patent titled “Hemostasis Valves and Methods of Use” are unpatentable as anticipated by or obvious over prior art, the Patent Trial and Appeal Board determined, in an inter partes review by Imperative Care Inc. The board found that the challenged claims are anticipated by or 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, and that relates to an access valve for laparoscopic or intralumenal deployment devices.
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