US PTAB Patent Cases
5,620 decisions indexed
Page 23 of 188 · 5,620 total
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB held that Imperative Care’s challenge to Inari Medical’s hemostasis valve patent succeeded, finding all nine claims unpatentable under §§ 102 and 103 based on prior‑art references Schaffer, Hartley, Eller, and Garrison.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB instituted inter partes review of Inari Medical’s 11,844,921 B2 hemostasis valve patent after finding Imperative Care has shown a reasonable likelihood of success on at least one claim. The dispute centers on whether the claimed “filament” must be flexible, with the Board presently favoring the patent owner’s interpretation.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB instituted an inter partes review of Inari Medical’s 11,554,005 B2 embolism‑treatment patent after finding Imperative Care likely to prevail on at least one claim. All 15 claims are now under review.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
Imperative Care’s petition to invalidate Inari Medical’s hemostasis valve patent was granted. The Board found a reasonable likelihood of success on anticipation and obviousness grounds and instituted review of all nine claims.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB instituted an inter partes review of Inari Medical’s hemostasis valve patent (U.S. Patent 11,697,012) on all nine claims after finding the challenger, Imperative Care, showed a reasonable likelihood of prevailing. The dispute centers on claim construction of “filament” and alleged anticipation/obviousness over prior‑art references.
Mercedes-Benz Group AG, Mercedes-Benz AG et al. v.Phelan Group, LLC
Mercedes-Benz and patent owner The Phelan Group filed a joint motion asking the PTAB to keep their settlement agreement confidential under statutory confidentiality provisions.
Google LLC v.Sandpiper CDN, LLC
Google has filed a Request for Director Review challenging the PTAB’s decision to institute inter partes review of its expired content‑delivery patent. The petitioner argues the Board misapplied settled‑expectations doctrine and misread the prior art. The request seeks reversal of the institution.
Google LLC v.Sandpiper CDN, LLC
The PTAB denied Google and Sandpiper CDN's requests for Director Review of institution decisions in four IPRs, including the 8,478,903 patent. The denial leaves the original institution rulings in place.
Google LLC v.Sandpiper CDN, LLC
Google filed an authorized response defending the Board’s decision to institute an IPR against Sandpiper CDN’s expired ’903 patent covering CDN alias routing. The petition argues that expiration and a district‑court stay do not create settled expectations for discretionary denial and that the prior art Kenner teaches the claimed elements.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
The patent owner has filed a Director Review request in IPR2025-00959, and the Board has instructed the petitioner to submit a limited response within five business days.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The USPTO granted institution of IPR2025-01562 filed by Imperative Care against Inari Medical's patent 11865291. The Board found the petitioner had a reasonable likelihood of prevailing on at least one claim, allowing the case to move forward.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
The PTAB held that all nine claims of Inari Medical’s hemostasis valve patent are unpatentable. The Board’s claim construction of “filament” as a flexible element undermined the anticipation argument and found the obviousness combinations persuasive.
Mercedes-Benz Group AG, Mercedes-Benz AG et al. v.Phelan Group, LLC
Mercedes-Benz and patent‑assertion firm Phelan Group filed a joint motion to terminate IPR2025‑00986 after reaching a settlement that resolves all disputes, ending the proceeding before it was instituted.
Mercedes-Benz Group AG, Mercedes-Benz AG et al. v.Phelan Group, LLC
Mercedes‑Benz and Phelan Group settled their IPR dispute before trial, leading the PTAB to terminate the proceeding. The settlement agreement was deemed confidential business information.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
Carbyne, Inc. sought a rehearing of the Director Review in IPR2025-00959, but the USPTO denied the request. The decision leaves the original patent enforcement order in place.
Google LLC v.Sandpiper CDN, LLC
Kaifi LLC and Amazon reached a settlement in principle and jointly moved to stay all court deadlines for 45 days to finalize the agreement and file dismissal papers.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
Carbyne’s request to rehear the PTAB Director’s decision de‑instituting its IPR is challenged by the patent owner, who argues the request merely repeats already‑rejected arguments and violates rehearing standards. The response cites the Revvo and Tesla precedents to support the denial of the rehearing.
Google LLC v.Cellular South Inc
Google petitions the PTAB Director to overturn a denial of institution for its IPRs, arguing the USPTO’s “settled expectations” rule violates the APA, AIA, and due‑process rights.
Google LLC v.Cellular South Inc
Google’s request for director review of a denied PTAB institution is challenged by Cellular South, which argues the request merely recycles previously rejected arguments about the “settled expectations” doctrine. The patent owner urges the Board to uphold the discretionary denial.
Google LLC v.Cellular South Inc
The PTAB notified the parties that Director Review requests have been received for IPR2025-00875 and IPR2025-00876, setting a 15‑page limit and a five‑business‑day deadline for the Patent Owner’s response, with no new evidence allowed.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
Carbyne petitions the PTAB to invalidate Tritech’s RE50016 reissued patent covering emergency call text messaging. The petition alleges obviousness over four prior‑art references—Brooks, SARLOC, Salafia, and Marr—asserting that the claimed system was well‑known. It seeks institution of the IPR and cancellation of the challenged claims.
Google LLC v.Sandpiper CDN, LLC
Google has filed an IPR petition seeking to invalidate 26 claims of Sandpiper CDN’s CDN caching patent. The petition relies on obviousness over Kenner and on combinations with Vetter, Rekimoto, and Boyles, and also challenges claim 28 under §112. The Board has yet to decide whether to institute review.
Imperative Care, Inc. v.Inari Medical, Inc. et al.
Imperative Care successfully challenged the patentability of Inari Medical's hemostasis valve claims before the PTAB, leading to institution on grounds of anticipation and obviousness. The Board focused heavily on claim construction, ultimately defining 'filament' as a flexible length of material necessary for the device function. This decision sets important precedent regarding functional limitations in medical device patents.
American Airlines, Inc. et al. v.Intellectual Ventures I LLC
The PTAB denied the IPR petition filed by American Airlines and Southwest Airlines against Intellectual Ventures I LLC, finding that the petitioner failed to establish a reasonable likelihood of prevailing. The Board specifically rejected arguments regarding obviousness over combinations of prior art references like Lawson, Tsutsumitake, and Choquier in the dynamic routing network space.
Google LLC v.Sandpiper CDN, LLC
Google LLC successfully convinced the PTAB to institute IPR against Sandpiper CDN's patent 8478903, asserting that the core technology was obvious over prior art like Kenner.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
The Director denied the institution of IPR2025-00959, vacating a prior decision because Carbyne failed to explain inconsistencies in its claim construction arguments between district court and PTAB.
Carbyne, Inc. et al. v.Tritech Software Systems et al.
Carbyne successfully instituted IPR proceedings against Tritech Software Systems regarding emergency SMS/geolocation technology. The Board found a reasonable likelihood of prevailing on multiple grounds of obviousness (103) over various combinations of prior art references, including Brooks and SARLOC.
Dabico Airport Solutions Inc. et al. v.AXA POWER APS et al.
AXA Power defends the USPTO Director's discretionary denial of Dabico's IPR petition, arguing the Director acted within broad authority under 35 U.S.C. § 314(a) and applied a holistic assessment. The Patent Owner contends the petitioner misapplies the review standard and seeks denial of the request for Director Review.
Dabico Airport Solutions Inc. et al. v.AXA POWER APS et al.
The PTAB denied Dabico Airport’s request for Director Review of a denied institution decision, leaving AXA Power’s patent in force.
Dabico Airport Solutions Inc. et al. v.AXA POWER APS et al.
Dabico Airport Solutions has petitioned the PTAB Director to overturn a denial of institution for its IPR against AXA POWER APS’s ‘169 patent. The petitioner argues the Director improperly applied a new “settled expectations” discretionary denial standard without notice. The request seeks vacatur of the decision or additional briefing.
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.