Examiner Kevin Pyo
Grant ratio: 81.2% (76th percentile in Art Unit 2878 among examiners with at least 20 applications). Average office actions per grant: 1.31. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 73579
- Primary art unit
- 2878
- Work group
- 2870
- Technology center
- 2800
- Applications
- 889
- Granted applications
- 722
- Examiner phone
- (571) 272-2445
- Supervisor
- Georgia Y Epps
- Supervisor phone
- (571) 272-2328
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 20 | 72.5% | 1.59 |
| Group | 351 | 61.2% | 1.71 |
| 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 | 694 | 78.1% |
| 2 OAs | 144 | 16.2% |
| 3 OAs | 35 | 3.9% |
| 4 OAs | 11 | 1.2% |
| 5+ OAs | 5 | 0.6% |
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 | 37 | 28 | 75.7% |
| 2009 | 53 | 42 | 79.2% |
| 2010 | 46 | 37 | 80.4% |
| 2011 | 45 | 34 | 75.6% |
| 2012 | 54 | 45 | 83.3% |
| 2013 | 54 | 45 | 83.3% |
| 2014 | 53 | 45 | 84.9% |
| 2015 | 52 | 46 | 88.5% |
| 2016 | 53 | 49 | 92.5% |
| 2017 | 57 | 53 | 93.0% |
| 2018 | 40 | 39 | 97.5% |
| 2019 | 49 | 44 | 89.8% |
| 2020 | 39 | 35 | 89.7% |
| 2021 | 51 | 47 | 92.2% |
| 2022 | 43 | 34 | 79.1% |
| 2023 | 44 | 39 | 88.6% |
| 2024 | 40 | 39 | 97.5% |
| 2025 | 47 | 21 | 44.7% |
| 2026 | 32 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 889 | 1.3% | 7.3% | 72.0% | 14.3% |
| Action 2 | 195 | 0.0% | 12.3% | 71.3% | 11.8% |
| Action 3 | 51 | 0.0% | 7.8% | 74.5% | 13.7% |
| Action 4 | 16 | 0.0% | 12.5% | 56.3% | 25.0% |
| Action 5 | 5 | 0.0% | 20.0% | 60.0% | 20.0% |
| Action 6 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 1 | 0.0% | 0.0% | 0.0% | 100.0% |
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%
4.6%
1.5%
1.4%
2014: Alice
1.4%
0.0%
0.0%
2.6%
1.9%
2019: PEG
4.5%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
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 Aug. 27, 2026.