Examiner Chester T Barry
Grant ratio: 83.4% (96th percentile in Art Unit 1779 among examiners with at least 20 applications). Average office actions per grant: 1.50. Most common rejection type: §103.
Appears inactive
Last office action in data: June 2025
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 21 | 34.7% | 2.44 |
| Group | 178 | 50.9% | 1.94 |
| Tech Center | 1,792 | 44.3% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 11 | 0.9% |
| 1 OA | 841 | 66.6% |
| 2 OAs | 292 | 23.1% |
| 3 OAs | 77 | 6.1% |
| 4 OAs | 22 | 1.7% |
| 5+ OAs | 20 | 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 | 90 | 62 | 68.9% |
| 2009 | 72 | 63 | 87.5% |
| 2010 | 62 | 52 | 83.9% |
| 2011 | 85 | 76 | 89.4% |
| 2012 | 73 | 60 | 82.2% |
| 2013 | 55 | 42 | 76.4% |
| 2014 | 96 | 70 | 72.9% |
| 2015 | 64 | 55 | 85.9% |
| 2016 | 67 | 56 | 83.6% |
| 2017 | 80 | 66 | 82.5% |
| 2018 | 68 | 61 | 89.7% |
| 2019 | 79 | 68 | 86.1% |
| 2020 | 71 | 64 | 90.1% |
| 2021 | 75 | 65 | 86.7% |
| 2022 | 74 | 63 | 85.1% |
| 2023 | 63 | 59 | 93.7% |
| 2024 | 58 | 50 | 86.2% |
| 2025 | 31 | 21 | 67.7% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,252 | 1.3% | 11.2% | 56.2% | 25.6% |
| Action 2 | 411 | 1.0% | 7.8% | 52.6% | 26.5% |
| Action 3 | 119 | 0.0% | 8.4% | 63.9% | 23.5% |
| Action 4 | 42 | 0.0% | 0.0% | 73.8% | 21.4% |
| Action 5 | 20 | 0.0% | 15.0% | 60.0% | 25.0% |
| Action 6 | 6 | 0.0% | 16.7% | 66.7% | 16.7% |
| Action 7 | 5 | 0.0% | 0.0% | 60.0% | 20.0% |
| Action 8 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 10 | 1 | 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
0.7%
0.0%
1.3%
1.6%
0.0%
1.2%
2014: Alice
0.7%
2.0%
2.7%
1.7%
1.0%
2019: PEG
0.0%
0.9%
0.8%
1.0%
1.1%
2024: AI examples
2.7%
2025: August memo
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.