Cheng Chih Lin
Ex parte reexamination requester·3 ex parte reexams
Cheng Chih Lin has requested 3 USPTO ex parte reexaminations. It most often challenges patents owned by SignalQuest, 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
313
Top patent owners challenged
Outcome track record
How this requester's challenges resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Share of challenges that canceled claims
Challenge metrics
Cancellation rate, average pendency, and the open/closed split across every reexam this requester has filed.
- Outcome rate of closed challenges
- Average pendency in months
Examiners & defense counsel
Which examiners decide this requester's challenges, and which firms defend the targeted patents.
- Most frequent examiners
- Top opposing counsel
Recent reexaminations (3)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/012,873 | Jun 28, 2013 | 7,067,748 | Omnidirectional Tilt and Vibration Sensor | SignalQuest, Inc. | Closed |
| 90/012,874 | Jun 28, 2013 | 7,326,867 | Omnidirectional Tilt and Vibration Sensor | SignalQuest, Inc. | Closed |
| 90/012,875 | Jun 24, 2013 | 7,326,866 | OMNIDIRECTIONAL TILT AND VIBRATION SENOR | SignalQuest, Inc. | Closed |
See the full reexam picture for Cheng Chih Lin
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