Short Summary
The PTAB instituted an inter partes review of Inari Medical’s 11,844,921 B2 hemostasis valve patent after Imperative Care showed a reasonable likelihood of success on multiple claims. The dispute centers on the definition of “filament” and reliance on prior art Schaffer, Hartley, and Eller.
Detailed Summary
In a Decision Granting Institution of Inter Partes Review, the Patent Trial and Appeal Board found that Imperative Care, Inc. demonstrated a reasonable likelihood of prevailing on at least one of the claims of Inari Medical’s ’921 patent covering hemostasis valves for minimally invasive vascular surgery. The petition challenged claims 1‑7, 9, 10, 15‑18, and 20‑24 under §§102 and 103, relying on prior art references Schaffer, Hartley, and Eller. A key issue was whether the term “filament” required flexibility; the Board preliminarily leaned toward the patent owner’s view that it does. Based on the record, the Board instituted review on all 19 challenged claims, setting the stage for a full trial on obviousness and anticipation arguments.
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. et al. is valuable context for structuring arguments or assessing risk in similar proceedings.
Related Cases
Wealth, Inc.vs--
Wealth, Inc. has filed a Post‑Grant Review petition seeking cancellation of all 20 claims of Vanilla Technologies’ U.S. Patent 12,353,917, alleging ineligibility, obviousness, indefiniteness, and an improper dependent claim. The petition relies on prior‑art references Racanelli, Bateman, Dintenfass, McMillen and Kwak.
Microsoft CorporationvsQomplx LLC
Microsoft has filed an IPR petition challenging 16 claims of Qomplx’s U.S. Patent 12,301,627 covering graph‑based network anomaly detection. The challenger asserts obviousness over prior‑art references Stokes, Crabtree, and Sekar under 35 U.S.C. §103.
Microsoft CorporationvsToutVirtual, Inc.
Microsoft has filed an IPR petition challenging all 20 claims of ToutVirtual’s ‘667 patent covering virtual system management, asserting obviousness over multiple prior‑art references.
Cisco Systems, Inc.vsGOLDEN EYE TECHNOLOGIES LLC
Cisco has filed an IPR petition seeking to invalidate claims 1‑3 and 13‑15 of Golden Eye Technologies' 9,717,037 patent. The challenger argues the claims are obvious over earlier Wi‑Fi standards and patents (Choudhary, Hasty, Chen). The petition requests the Board to institute the review and cancel the challenged claims.
Cisco Systems, Inc.vsGolden Eye Technologies LLC
Cisco has filed an IPR petition seeking to invalidate claims 1‑4 and 9‑11 of Golden Eye’s ’556 Wi‑Fi scanning patent, arguing that the claims are obvious over three earlier patents. The petition emphasizes that the patent was allowed despite acknowledging the same prior‑art concepts.
Pinterest, Inc.vs--
Pinterest has filed an IPR petition challenging all 20 claims of OpenTV’s ’703 patent, asserting that the claims are obvious over prior art such as Orr, Hsu, Lim, and Hervey.
Dealing with a patent challenge?
Whether it's a Section 3(d) rejection, a post-grant opposition, or a FRAND dispute, Arctic's patent litigation team has handled it. Get a strategy call.
Disclaimer: This page contains an automated summary based on publicly available judicial records. The content is generated for informational purposes only and does not constitute legal advice. Always verify details against the original source judgment before relying on this information for any legal purpose. If you believe any information is inaccurate, please contact us.