Examiner Tri H. Phan
Grant ratio: 93.4% (98th percentile in Art Unit 2471 among examiners with at least 20 applications). Average office actions per grant: 1.27. Most common rejection type: §103.
Appears inactive
Last office action in data: February 2022
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 76.1% | 1.65 |
| Group | 204 | 62.6% | 1.93 |
| Tech Center | 1,763 | 57.8% | 2.14 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 573 | 76.6% |
| 2 OAs | 150 | 20.1% |
| 3 OAs | 22 | 2.9% |
| 4 OAs | 3 | 0.4% |
| 5+ OAs | 0 | 0.0% |
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 | 30 | 27 | 90.0% |
| 2009 | 65 | 61 | 93.8% |
| 2010 | 49 | 49 | 100.0% |
| 2011 | 52 | 49 | 94.2% |
| 2012 | 53 | 49 | 92.5% |
| 2013 | 41 | 38 | 92.7% |
| 2014 | 46 | 44 | 95.7% |
| 2015 | 42 | 41 | 97.6% |
| 2016 | 61 | 57 | 93.4% |
| 2017 | 65 | 60 | 92.3% |
| 2018 | 73 | 66 | 90.4% |
| 2019 | 59 | 55 | 93.2% |
| 2020 | 57 | 51 | 89.5% |
| 2021 | 47 | 44 | 93.6% |
| 2022 | 7 | 7 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 748 | 6.3% | 16.2% | 55.2% | 4.1% |
| Action 2 | 175 | 4.6% | 25.1% | 45.7% | 5.1% |
| Action 3 | 25 | 4.0% | 20.0% | 56.0% | 20.0% |
| Action 4 | 3 | 0.0% | 33.3% | 0.0% | 33.3% |
Section 101 rejections
Last 3 years: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
7.6%
10.5%
16.9%
6.3%
12.7%
13.3%
2014: Alice
3.8%
4.1%
5.7%
0.0%
2.2%
2019: PEG
2.6%
0.0%
1.7%
0.0%
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 Oct. 9, 2026.