Peter D. Shapiro
7 IP cases indexed. Covers patent matters.
Cases Presided Over
7 cases indexed | Page 1 of 1
Cisco Systems, Inc. v.Portsmouth Network Corporation
The PTAB rejected Cisco's IPR challenge against the '088 patent, finding no grounds for obviousness over prior art references Dziong and Sathyanath. The Board construed the key term "other connections" narrowly to mean established connections with allocated bandwidth, favoring the Patent Owner's interpretation.
Cisco Systems, Inc. v.Scale Video Coding LLC
The PTAB denied Cisco Systems' IPR petition against Scale Video Coding LLC, finding the asserted claims were not reasonably likely to be unpatentable over prior art references. The decision focused on technical limitations regarding bandwidth identification in video routers.
Juniper Networks, Inc. v.Portsmouth Network Corporation
The PTAB instituted the IPR petition filed by Juniper Networks against Portsmouth Network Corporation, finding a reasonable likelihood of prevailing on multiple grounds. The Board specifically accepted arguments that challenged claims 1, 2, 4, 6, 7, and others based on obviousness over Blease in view of Weyman and Hu.
Cisco Systems, Inc. v.Portsmouth Network Corporation
The PTAB denied institution for Cisco Systems' IPR against Portsmouth Network Corporation regarding network failover methods. The Board found that the petitioner failed to demonstrate a reasonable likelihood of prevailing over the prior art, specifically Mitchell.
Cisco Systems, Inc. v.Portsmouth Network Corporation
Cisco Systems successfully petitioned to challenge Portsmouth Network Corporation's patent (8014394) in an IPR proceeding, leading the PTAB to institute the case. The Board found a reasonable likelihood of prevailing for several claims based on obviousness over prior art references Weyman and Li.
Juniper Networks, Inc. v.Portsmouth Network Corporation
The PTAB granted institution for an IPR concerning network reconfiguration protocols, finding a reasonable likelihood of prevailing on the grounds of obviousness (103). The patent relates to methods for rapid link failure recovery in Switching/Routing Protocols (STP).
Cisco Systems, Inc. v.Portsmouth Network Corporation
Cisco Systems successfully navigated a discretionary denial challenge at the PTAB, leading to the institution of an IPR against Portsmouth Network Corp. over network resource allocation claims. The Board found that Cisco demonstrated a reasonable likelihood of prevailing on at least one claim, despite arguments regarding prior art redundancy and pending district court litigation.
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