Examiner Sheela C. Chawan
Grant ratio: 86.3% (90th percentile in Art Unit 2669 among examiners with at least 20 applications). Average office actions per grant: 1.22. Most common rejection type: §102.
Potentially inactive
Last office action in data: June 2026
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 29 | 60.7% | 1.60 |
| Group | 289 | 63.2% | 1.66 |
| 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 | 0 | 0.0% |
| 1 OA | 681 | 82.5% |
| 2 OAs | 126 | 15.3% |
| 3 OAs | 16 | 1.9% |
| 4 OAs | 1 | 0.1% |
| 5+ OAs | 1 | 0.1% |
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 | 44 | 34 | 77.3% |
| 2009 | 74 | 57 | 77.0% |
| 2010 | 51 | 43 | 84.3% |
| 2011 | 60 | 48 | 80.0% |
| 2012 | 61 | 56 | 91.8% |
| 2013 | 60 | 55 | 91.7% |
| 2014 | 64 | 53 | 82.8% |
| 2015 | 54 | 52 | 96.3% |
| 2016 | 53 | 53 | 100.0% |
| 2017 | 41 | 37 | 90.2% |
| 2018 | 41 | 40 | 97.6% |
| 2019 | 32 | 29 | 90.6% |
| 2020 | 30 | 27 | 90.0% |
| 2021 | 30 | 29 | 96.7% |
| 2022 | 30 | 29 | 96.7% |
| 2023 | 30 | 30 | 100.0% |
| 2024 | 28 | 24 | 85.7% |
| 2025 | 34 | 15 | 44.1% |
| 2026 | 7 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 825 | 9.3% | 39.8% | 26.7% | 6.9% |
| Action 2 | 144 | 16.0% | 25.0% | 28.5% | 6.3% |
| Action 3 | 18 | 11.1% | 22.2% | 50.0% | 0.0% |
| Action 4 | 2 | 0.0% | 50.0% | 50.0% | 0.0% |
| Action 5 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 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
14.5%
10.7%
8.3%
17.3%
9.3%
12.9%
2014: Alice
2.8%
11.4%
6.7%
5.7%
15.1%
2019: PEG
8.3%
8.8%
0.0%
3.0%
5.9%
2024: AI examples
23.5%
2025: August memo
13.5%
25.0%
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.