Examiner Minh N. Tang
Grant ratio: 82.1% (88th percentile in Art Unit 2867 among examiners with at least 20 applications). Average office actions per grant: 1.36. Most common rejection type: §103.
Appears inactive
Last office action in data: April 2021
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 13 | 72.1% | 1.63 |
| Group | 131 | 67.2% | 1.82 |
| Tech Center | 2,413 | 62.4% | 1.69 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 486 | 70.7% |
| 2 OAs | 154 | 22.4% |
| 3 OAs | 32 | 4.7% |
| 4 OAs | 13 | 1.9% |
| 5+ OAs | 2 | 0.3% |
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 | 48 | 37 | 77.1% |
| 2009 | 63 | 47 | 74.6% |
| 2010 | 55 | 41 | 74.5% |
| 2011 | 40 | 33 | 82.5% |
| 2012 | 50 | 39 | 78.0% |
| 2013 | 60 | 52 | 86.7% |
| 2014 | 47 | 36 | 76.6% |
| 2015 | 62 | 55 | 88.7% |
| 2016 | 58 | 48 | 82.8% |
| 2017 | 51 | 42 | 82.4% |
| 2018 | 54 | 48 | 88.9% |
| 2019 | 43 | 35 | 81.4% |
| 2020 | 47 | 42 | 89.4% |
| 2021 | 8 | 8 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 687 | 3.2% | 38.3% | 51.5% | 3.8% |
| Action 2 | 201 | 5.0% | 28.4% | 56.7% | 6.5% |
| Action 3 | 47 | 0.0% | 21.3% | 66.0% | 8.5% |
| Action 4 | 15 | 0.0% | 13.3% | 66.7% | 6.7% |
| Action 5 | 2 | 0.0% | 50.0% | 50.0% | 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%
4.3%
7.0%
9.6%
0.0%
2014: Alice
1.4%
1.1%
3.5%
10.5%
5.1%
2019: PEG
1.4%
0.0%
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 Aug. 27, 2026.