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Case Lawsuit Title
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Case / Trial ID Number
Jurisdiction Code
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Category
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Patent
Trademark
Copyright
Design
Filing Date
Decision Verdict Date
Court / Tribunal
Bench / Panel Judges
Petitioner / Claimant (Plaintiff)
Cisco Systems, Inc.
Respondent / Defendant
Portsmouth Network Corporation
Dispute Summary
Cisco has filed an IPR petition seeking to invalidate Portsmouth Network’s ’088 patent on bandwidth‑sharing routing, arguing obviousness over Dziong, Sathyanath and Jensen, and opposing discretionary denial.
Outcome / Ruling
Verdict Document PDF URL
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