Examiner Phuoc H. Doan
Grant ratio: 88.6% (98th percentile in Art Unit 2646 among examiners with at least 20 applications). Average office actions per grant: 1.72. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 80313
- Primary art unit
- 2646
- Work group
- 2640
- Technology center
- 2600
- Applications
- 1,148
- Granted applications
- 1,017
- Examiner phone
- (571) 272-7920
- Supervisor
- Lester Kincaid
- Supervisor phone
- (571) 272-7922
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 30 | 54.6% | 2.14 |
| 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 | 2 | 0.2% |
| 1 OA | 713 | 62.1% |
| 2 OAs | 266 | 23.2% |
| 3 OAs | 79 | 6.9% |
| 4 OAs | 35 | 3.0% |
| 5+ OAs | 53 | 4.6% |
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 | 61 | 43 | 70.5% |
| 2009 | 41 | 33 | 80.5% |
| 2010 | 100 | 93 | 93.0% |
| 2011 | 72 | 67 | 93.1% |
| 2012 | 75 | 70 | 93.3% |
| 2013 | 66 | 60 | 90.9% |
| 2014 | 79 | 73 | 92.4% |
| 2015 | 74 | 69 | 93.2% |
| 2016 | 84 | 78 | 92.9% |
| 2017 | 88 | 83 | 94.3% |
| 2018 | 64 | 61 | 95.3% |
| 2019 | 49 | 46 | 93.9% |
| 2020 | 49 | 48 | 98.0% |
| 2021 | 44 | 43 | 97.7% |
| 2022 | 38 | 37 | 97.4% |
| 2023 | 54 | 50 | 92.6% |
| 2024 | 52 | 49 | 94.2% |
| 2025 | 25 | 14 | 56.0% |
| 2026 | 33 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,146 | 2.2% | 41.6% | 32.8% | 4.1% |
| Action 2 | 433 | 3.0% | 41.1% | 34.9% | 5.8% |
| Action 3 | 167 | 3.0% | 29.3% | 57.5% | 1.8% |
| Action 4 | 88 | 0.0% | 22.7% | 65.9% | 5.7% |
| Action 5 | 53 | 1.9% | 18.9% | 66.0% | 3.8% |
| Action 6 | 32 | 0.0% | 21.9% | 65.6% | 6.3% |
| Action 7 | 18 | 0.0% | 27.8% | 61.1% | 5.6% |
| Action 8 | 8 | 0.0% | 12.5% | 75.0% | 0.0% |
| Action 9 | 2 | 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
4.2%
2.5%
2.4%
3.9%
0.0%
0.7%
2014: Alice
0.8%
1.8%
1.7%
3.1%
1.1%
2019: PEG
0.0%
2.9%
1.9%
2.3%
4.6%
2024: AI examples
1.8%
2025: August memo
3.2%
5.3%
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.