Optical Devices
Patent owner in reexamination·3 ex parte reexams
Optical Devices's patents have been the subject of 3 USPTO ex parte reexaminations. 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
316
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 |
|---|---|---|---|---|---|
| 90/013,855 | Oct 31, 2016 | 7,196,979 | CALIBRATION STORAGE METHODS FOR A DIGITAL FOCUS AND TRACKING SERVO SYSTEM WITH CALIBRATION | — | Closed |
| 90/013,827 | Oct 4, 2016 | 7,839,729 | OPTICAL DRIVE SERVO WITH A SERVO PROCESSOR RECEIVING PHOTODETECTOR SIGNALS | — | Closed |
| 90/013,826 | Oct 3, 2016 | 8,416,651 | SERVO CONTROL USING DIGITAL SIGNAL PROCESSING FOR OPTICAL DISK DRIVE | — | Closed |
See the full reexam picture for Optical Devices
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.