Examiner Henry Choe
Grant ratio: 87.5% (87th percentile in Art Unit 2843 among examiners with at least 20 applications). Average office actions per grant: 1.53. Most common rejection type: §103.
Recently active
Last office action in data: September 2026
Examiner record
- Examiner ID
- 76411
- Primary art unit
- 2843
- Work group
- 2840
- Technology center
- 2800
- Applications
- 1,397
- Granted applications
- 1,222
- Examiner phone
- (571) 272-1760
- Supervisor
- Jessica Han
- Supervisor phone
- (571) 272-2078
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 52.9% | 1.37 |
| Group | 232 | 67.9% | 1.60 |
| Tech Center | 2,428 | 61.6% | 1.69 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 1 | 0.1% |
| 1 OA | 924 | 66.1% |
| 2 OAs | 344 | 24.6% |
| 3 OAs | 69 | 4.9% |
| 4 OAs | 36 | 2.6% |
| 5+ OAs | 23 | 1.6% |
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 | 66 | 60 | 90.9% |
| 2009 | 78 | 70 | 89.7% |
| 2010 | 75 | 65 | 86.7% |
| 2011 | 73 | 71 | 97.3% |
| 2012 | 87 | 82 | 94.3% |
| 2013 | 67 | 62 | 92.5% |
| 2014 | 72 | 69 | 95.8% |
| 2015 | 75 | 69 | 92.0% |
| 2016 | 81 | 70 | 86.4% |
| 2017 | 90 | 87 | 96.7% |
| 2018 | 73 | 66 | 90.4% |
| 2019 | 80 | 70 | 87.5% |
| 2020 | 87 | 82 | 94.3% |
| 2021 | 57 | 57 | 100.0% |
| 2022 | 74 | 72 | 97.3% |
| 2023 | 80 | 76 | 95.0% |
| 2024 | 63 | 61 | 96.8% |
| 2025 | 67 | 33 | 49.3% |
| 2026 | 52 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,396 | 0.9% | 36.2% | 44.5% | 3.5% |
| Action 2 | 472 | 0.2% | 36.7% | 57.8% | 1.7% |
| Action 3 | 128 | 0.0% | 34.4% | 63.3% | 2.3% |
| Action 4 | 59 | 1.7% | 32.2% | 61.0% | 3.4% |
| Action 5 | 23 | 0.0% | 26.1% | 69.6% | 0.0% |
| Action 6 | 15 | 0.0% | 26.7% | 73.3% | 0.0% |
| Action 7 | 8 | 0.0% | 12.5% | 87.5% | 0.0% |
| Action 8 | 5 | 0.0% | 40.0% | 60.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
2.0%
0.9%
0.9%
0.0%
0.0%
2.7%
2014: Alice
0.0%
0.0%
0.7%
0.8%
0.0%
2019: PEG
2.3%
0.8%
0.0%
0.0%
0.9%
2024: AI examples
1.1%
2025: August memo
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 Oct. 9, 2026.