Orckit Corporation
Patent owner in reexamination·4 ex parte reexams
Orckit Corporation's patents have been the subject of 4 USPTO ex parte reexaminations, with 3 currently open. Its patents are most often challenged by Cisco Systems Inc.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
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Outcome track record
How reexams of this owner's patents resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Claim-survival rate
Defense metrics
Claim-survival rate, average pendency, and the open/closed split across every reexam of this owner's patents.
- Survival rate of closed proceedings
- Average pendency in months
Challengers & examiners
Which requesters most often challenge this owner's patents, and which examiners decide them.
- Top requesters
- Most frequent examiners
Recent reexaminations (4)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/015,734 | Dec 1, 2025 | 8,830,821 | METHOD FOR SUPPORTING MPLS TRANSPORT PATH RECOVERY WITH MULTIPLE PROTECTION ENTITIES | Cisco Systems Inc. | Open |
| 90/015,715 | Nov 25, 2025 | 12,237,986 | METHOD AND SYSTEM FOR DEEP PACKET INSPECTION IN SOFTWARE DEFINED NETWORKS | Cisco Systems Inc. | Open |
| 90/015,713 | Nov 25, 2025 | 12,244,475 | METHOD AND SYSTEM FOR DEEP PACKET INSPECTION IN SOFTWARE DEFINED NETWORKS | Cisco Systems Inc. | Open |
| 90/015,261 | Jul 20, 2023 | 10,652,111 | METHOD AND SYSTEM FOR DEEP PACKET INSPECTION IN SOFTWARE DEFINED NETWORKS | Cisco Systems Inc. | Closed |
See the full reexam picture for Orckit Corporation
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.