Network security — US PTAB Patent Cases
33 decisions indexed
Page 1 of 2 · 33 total
Cisco Systems, Inc. v.QPRIVACY USA LLC
Cisco has filed a rehearing request after the PTAB director denied institution of its IPR on patent 11,106,824, arguing that a prior Sotera stipulation eliminates concerns of duplicate litigation. The petition cites Federal Circuit case law to support its position.
Cisco Systems, Inc. v.QPRIVACY USA LLC
Cisco has filed an IPR petition seeking to invalidate all 30 claims of QPrivacy’s U.S. 11,816,249 patent on obviousness grounds, relying on three prior‑art patents (Burns, Yang, Guruswamy). The petition argues that the Board should institute trial and rejects any discretionary denial.
Google LLC v.K.Mizra LLC
Google has filed an IPR petition seeking to invalidate claims 1‑20 of K.Mizra’s network‑quarantine patent, arguing obviousness over prior art (Freund, Ball, Pujare) and urging the Board to institute trial after a prior institution denial was deemed erroneous.
Google LLC v.K.Mizra LLC
Google has filed an IPR petition challenging all 19 claims of K.Mizra’s ’705 patent covering network quarantine and remediation. The petition relies on obviousness over Freund, Ball, Pujare, and Lewis, and cites a Federal Circuit remand of a prior Cisco IPR.
Citrix Systems, Inc. et al. v.K.Mizra LLC
Citrix and Cloud Software Group have filed a petition to invalidate K.Mizra’s network‑security patent, asserting that all 19 claims are obvious over established prior‑art combinations.
Netskope, Inc. v.K.Mizra LLC
Cisco, Forescout and HPE challenged K.Mizra’s 2012 network‑quarantine patent. The PTAB found the challengers failed to prove obviousness over prior art and upheld all claims.
Netskope, Inc. v.K.Mizra LLC
Netskope has filed a petition to institute an IPR against K.Mizra’s 8,234,705 patent, asserting that its network‑quarantine claims are obvious over three prior‑art references.
International Business Machines Corporation v.Croga Innovations Ltd.
IBM has filed an IPR petition challenging Croga’s 11,178,104 patent covering sandboxed network isolation, asserting anticipation and obviousness over multiple prior‑art references.
MediaTek Inc. v.DAEDALUS PRIME LLC
MediaTek has filed an IPR petition challenging all 24 claims of Daedalus Prime’s ’838 patent covering a hardware security engine for secure communications. The petition argues obviousness based on prior art combinations and seeks institution of the review.
Fortinet, Inc. v.Croga Innovations Ltd.
Fortinet has filed a petition for inter partes review of Croga Innovations' U.S. Patent 10,601,780, asserting that all 20 claims are obvious over prior‑art firewalls and virtualization systems. The petition argues that discretionary denial is inappropriate and seeks institution of the IPR.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet have filed a Director Review petition to overturn the PTAB’s denial of institution for their IPR against InfoExpress’s network‑security patent. They contend the Board misinterpreted claim language on user authentication and ignored supporting evidence from the Krantz reference.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
The USPTO denied Cisco and Fortinet's request for Director review of a prior institution denial in IPR2024-00540, leaving the original decision unchanged.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
The PTAB denied institution of IPR for Cisco and Fortinet against InfoExpress, finding no reasonable likelihood that the challenged claims of U.S. Patent No. 8,347,350 would be found obvious over prior art.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
InfoExpress defends its antedating evidence in response to Cisco and Fortinet’s Director Review request, arguing the Board’s earlier decision was proper and the request should be denied.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
InfoExpress defends its NAC patent against Cisco and Fortinet’s Director Review request, asserting the Board already properly evaluated all evidence and that the challengers’ new arguments are untimely. The patent owner seeks denial of the request.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
InfoExpress successfully defended its NAC patent against Cisco and Fortinet’s Director Review request, with the PTAB upholding all challenged claims. The Board found the antedating evidence properly presented and rejected the petitioners’ untimely arguments.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet have filed a Request for Director Review seeking to vacate the PTAB's final written decision on the ’484 patent. They allege the Board improperly allowed the patent owner to incorporate arguments by reference, violating USPTO rules and breaching the burden of conception and diligence.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet successfully challenged InfoExpress's patent on obviousness grounds in the PTAB. The Board found a reasonable likelihood of prevailing, leading to institution on all 18 asserted claims.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO SYSTEMS and FORTINET successfully convinced the PTAB to institute review against InfoExpress Inc.'s patent, finding a reasonable likelihood of prevailing on multiple claims. The Board adopted a specific claim construction regarding device reconfiguration while accepting the petitioner's obviousness arguments over Krantz and Herrmann.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet have filed a Request for Director Review seeking to overturn a PTAB decision that allowed InfoExpress’s network‑security patent to survive. They argue the Board improperly accepted arguments incorporated by reference, violating USPTO rules.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
InfoExpress defends its antedating evidence against Cisco and Fortinet’s Director Review request, arguing the Board already considered all issues and that the petitioners forfeited new arguments. The Board’s prior finding that none of the references are prior art stands.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco Systems challenges InfoExpress's patent (8677450) in an IPR, arguing the claims are obvious under 35 U.S.C. § 103. The petitioner contends that combining Krantz and Herrmann prior art references provides a predictable solution for enhanced network security and access control policy enforcement.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO and FORTINET successfully petitioned to challenge InfoExpress's network security patents, leading the PTAB to institute proceedings on all claims. The Board agreed with the Petitioner that combining Krantz and Herrmann would render the challenged claims obvious under 35 U.S.C. § 103.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet have filed a Request for Director Review to overturn a PTAB decision that denied institution of an IPR on their network‑security patent. They contend the Board misinterpreted the Krantz reference, overlooking device‑level audit data. The petition seeks vacatur of the decision and institution of the review.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO SYSTEMS, INC. failed to overcome obviousness challenges against InfoExpress Inc.'s network security patent (8117645) before the PTAB. The Board denied institution because the petitioner could not demonstrate that prior art teachings sufficiently suggested specific auditing limitations in the claims.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet seek a Director Review of a PTAB decision upholding InfoExpress’s network‑authentication patent. They contend the Board improperly allowed incorporation‑by‑reference arguments, violating USPTO rules and prejudicing the challengers. The petition asks the Director to vacate and remand the decision.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
InfoExpress defends its Network Access Control patent against Cisco and Fortinet’s Director Review request, asserting the Board correctly found no unpatentable claims. The petitioners’ new arguments are deemed untimely and forfeited.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
Cisco and Fortinet successfully defended claims of InfoExpress’s network‑access control patent in IPR2024‑00677; the Board found no unpatentable subject matter.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO Systems and FORTINET successfully instituted an IPR against InfoExpress Inc.'s patent, finding a reasonable likelihood of obviousness over Krantz and Herrmann. The Board agreed that combining network authentication (Krantz) with policy enforcement (Herrmann) would teach the claimed method for auditing devices.
CISCO SYSTEMS, INC. v.UMBRA TECHNOLOGIES LTD.
The USPTO denied Cisco Systems' request for Director Review of the institution decision in the IPR against Umbra Technologies' patent 10,630,505. The denial leaves the institution decision intact.
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