Corning Incorporated
Patent owner in reexamination·5 ex parte reexams
Corning Incorporated's patents have been the subject of 5 USPTO ex parte reexaminations, with 4 currently open. Its patents are most often challenged by Caihong Display Devices Co., Ltd.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
Filings by year
Top requesters
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 (5)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,563 | Sep 3, 2026 | 9,512,025 | METHODS AND APPARATUSES FOR REDUCING HEAT LOSS FROM EDGE DIRECTORS | Caihong Display Devices Co., Ltd. | Open |
| 90/016,562 | Sep 3, 2026 | 8,627,684 | PULL ROLL APPARATUS AND METHOD FOR CONTROLLING GLASS SHEET TENSION | Caihong Display Devices Co., Ltd. | Open |
| 90/016,241 | May 4, 2026 | 8,640,498 | FINING OF BOROALUMINO SILICATE GLASSES | — | Open |
| 90/016,217 | Apr 29, 2026 | 8,642,491 | FINING OF BOROALUMINO SILICATE GLASSES | — | Open |
| 90/016,072 | Mar 23, 2026 | 7,851,394 | FINING OF BOROALUMINO SILICATE GLASSES | Caihong Display Devices Co., Ltd. | Closed |
See the full reexam picture for Corning Incorporated
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.