Networking — US PTAB Patent Cases
42 decisions indexed
Page 2 of 2 · 42 total
Cisco Systems, Inc. v.Portsmouth Network Corporation
Cisco Systems challenges Portsmouth Network Corporation's patent via IPR, arguing that the claimed ring topology flow allocation methods are obvious. The petitioner asserts that combining prior art references like Kovvali and Kalman renders the claims unpatentable under 35 U.S.C. § 103.
Cisco Systems Inc. v.Portsmouth Network Corporation
Cisco Systems Inc. initiated an IPR challenging Portsmouth Network Corporation's '986 patent, asserting that the claims are obvious over prior art reference Gai. The petition focuses on Spanning Tree Protocol (STP), arguing that Gai discloses network reconfiguration methods applicable to both upstream and downstream dummy traffic during link failures.
Cisco Systems, Inc. v.Portsmouth Network Corporation
Cisco Systems challenges Portsmouth Network Corporation's patent (8014394) in a PTAB Petition, arguing that the claims are obvious under 35 U.S.C. § 103. The petitioner asserts that combining various prior art references renders nearly all challenged claims unpatentable.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO and FORTINET filed an IPR challenging InfoExpress's patent 8051460, arguing claims are obvious under 35 U.S.C. § 102 and § 103. The petition centers on network access control architecture, using Krantz and Herrmann as key prior art references.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO SYSTEMS, INC. filed an IPR petition challenging claims of InfoExpress Inc.'s patent (8,347,350), arguing they are obvious under 35 U.S.C. § 103. The challenge relies on combining prior art references Krantz and Herrmann to demonstrate predictable network access control features.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO SYSTEMS challenges InfoExpress's 7523484 Patent in an IPR, asserting that the network security claims are obvious under 35 U.S.C. § 103. The petitioner argues that prior art references (Krantz and Herrmann) disclose nearly identical architecture to the patented invention, making the claims unpatentable.
CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.
CISCO and FORTINET filed a Petition challenging 18 claims of InfoExpress's U.S. Patent No. 7,523,484 in the PTAB. The petitioners argue that the network access methods are obvious under 35 U.S.C. § 103 based on prior art references Krantz and Herrmann. This challenge is part of ongoing litigation against InfoExpress in District Court.
Juniper Networks, Inc. v.Orckit Corporation
Juniper Networks challenges Orckit Corporation's patent via IPR, arguing that the claimed Deep Packet Inspection (DPI) and Software Defined Networking (SDN) methods are obvious. The Petitioner asserts that combining prior art teachings from Lefebvre, Chua, and Rash renders the claims unpatentable under 35 U.S.C. § 103.
Juniper Networks, Inc. v.Portsmouth Network Corporation
Juniper Networks has filed an Inter Partes Review (IPR) challenging U.S. Patent No. 8,014,394 held by Portsmouth Network Corporation. The petitioner asserts that the patent claims related to multicast routing and stream management are obvious over existing prior art references. This challenge targets core network fabric technology.
Juniper Networks, Inc. v.Portsmouth Network Corporation
Juniper Networks filed a Petition to challenge U.S. Patent No. 8,014,394 held by Portsmouth Network Corporation. The petition asserts that several claims related to multicast routing and switch fabric are obvious over prior art references Blease, Weyman, Hu, Deng, and Rao under 35 U.S.C. § 103. This proceeding addresses the core validity of networking technology patents.
Reolink Innovation Inc. et al. v.THROUGH TEK TECHNOLOGY (SHENZHEN) CO., LTD. et al.
Reolink Innovation Inc. has filed an IPR Petition challenging patents held by THROUGH TEK TECHNOLOGY regarding Peer-to-Peer (P2P) connectivity for video streaming. The petitioner argues that the challenged claims are obvious over various combinations of prior art, including Lorex Manual and Kim941.
Reolink Innovation Inc. et al. v.THROUGH TEK TECHNOLOGY (SHENZHEN) CO., LTD. et al.
Petitioner Reolink Innovation Inc. challenged U.S. Patent No. 10,602,448 covering remote wakeup systems in a PTAB petition. The challenge asserts that the patent is unpatentable under 35 U.S.C. §102 and §103 based on various combinations of prior art references (Zhang, Zill, Liu).
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