Examiner Sonny Trinh
Grant ratio: 92.6% (96th percentile in Art Unit 2647 among examiners with at least 20 applications). Average office actions per grant: 1.21. Most common rejection type: §103.
Appears inactive
Last office action in data: August 2020
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 14 | 59.0% | 1.88 |
| Group | 226 | 57.7% | 2.06 |
| Tech Center | 1,754 | 57.4% | 1.88 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 3 | 0.4% |
| 1 OA | 711 | 83.7% |
| 2 OAs | 98 | 11.5% |
| 3 OAs | 31 | 3.7% |
| 4 OAs | 2 | 0.2% |
| 5+ OAs | 4 | 0.5% |
Each application is counted once. “5+” includes all higher counts.
Grant history
Recent ratios may be lower while applications remain pending.
Yearly counts
| Year | Applications | Grants | Grant rate |
|---|---|---|---|
| 2008 | 63 | 57 | 90.5% |
| 2009 | 71 | 63 | 88.7% |
| 2010 | 72 | 66 | 91.7% |
| 2011 | 70 | 62 | 88.6% |
| 2012 | 65 | 61 | 93.8% |
| 2013 | 73 | 70 | 95.9% |
| 2014 | 91 | 84 | 92.3% |
| 2015 | 74 | 67 | 90.5% |
| 2016 | 77 | 67 | 87.0% |
| 2017 | 57 | 56 | 98.2% |
| 2018 | 47 | 47 | 100.0% |
| 2019 | 57 | 56 | 98.2% |
| 2020 | 32 | 30 | 93.8% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 846 | 1.7% | 7.8% | 73.5% | 3.3% |
| Action 2 | 135 | 2.2% | 7.4% | 78.5% | 2.2% |
| Action 3 | 37 | 0.0% | 2.7% | 86.5% | 2.7% |
| Action 4 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
0.0%
0.0%
0.0%
1.3%
1.2%
3.5%
2014: Alice
0.9%
5.1%
2.4%
1.6%
2.0%
2019: PEG
3.1%
2.9%
Each bar is the percentage of office actions with a §101 rejection.
PTAB appeals
No PTAB decisions could be matched to this examiner.
Older and transferred applications may not have a reliable examiner match. Data through Aug. 27, 2026.