Sharp Kabushiki Kaisha
Patent owner in reexamination·3 ex parte reexams
Sharp Kabushiki Kaisha's patents have been the subject of 3 USPTO ex parte reexaminations, with 1 currently open. Its patents are most often challenged by Globalfoundries U.S. Inc.. 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 (3)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/015,552 | Dec 4, 2025 | 6,291,861 | SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME | Globalfoundries U.S. Inc. | Open |
| 90/015,321 | Oct 27, 2023 | 6,291,861 | SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME | — | Closed |
| 90/012,273 | Apr 26, 2012 | 7,702,323 | A WIRELESS CONTROL SYSTEM, CONTROLLING DEVICE, CONTROLLED DEVICES, METHOD OF CONTROLLING DEVICES, CONTROL PROGRAM AND STORAGE MEDIUM READABLE BY COMPUTER FOR STORING THE PROGRAM | — | Closed |
See the full reexam picture for Sharp Kabushiki Kaisha
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.