Cheng Yuan Tseng
USPTO Patent Examiner·Active 2012 to 2013
Cheng Yuan Tseng is a USPTO patent examiner who has handled 2 ex parte reexaminations between 2012 and 2013. These reexams concentrate in Physics & Instruments and Electrical & Electronic. ExamPat indexes the full prosecution record for each of these cases, including office-action grounds, certificate outcomes, and downstream PTAB and federal-circuit decisions.
Filings by year
Technology mix
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Eight side-by-side metrics: case volume, pendency, OAs per reexam, rejection mix, SNQ denial rate, certification rate, and PTAB appeal rate, with a Δ column showing where this examiner runs higher or lower than the corpus.
- Average and median pendency, both for this examiner and the corpus
- Rejection basis split (102 / 103 / 112) head-to-head
- Certification, SNQ denial, and PTAB appeal rates
Certificate outcome distribution
How this examiner's certificates split across the six possible outcomes: all claims confirmed, confirmed with amendment, confirmed with new claims, mixed, or all claims canceled. Includes share comparison to the corpus distribution.
- Count and share for each of the six outcome buckets
- Δ vs. corpus distribution in percentage points
- Useful for setting realistic patent-owner expectations
Event-to-event timing
Median time for this examiner's cases at each prosecution stage — filing to first office action, filing to NIRC, and filing to certificate — with corpus comparison and sample size.
- Median in months per transition
- Side-by-side with the corpus median
- n column showing how many of this examiner's cases completed each transition
Recent reexaminations (2)
| Control # | Filed | Patent | Title | Pendency | Status |
|---|---|---|---|---|---|
| 90/012,792 | Feb 8, 2013 | 6,294,953 | High Sensitivity Demodulator For a Radio Tag and Method | — | Closed |
| 90/012,389 | Jul 11, 2012 | 7,011,543 | ELECTRIC CONNECTOR | 3 mo | Closed |
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Compare Cheng Yuan Tseng against the full corpus, see the certificate-outcome split, drill into event timing, filter the case list, and export. Free to sign up.