Examiner Kimberly Barnes
Grant ratio: 93.8% (25th percentile in Art Unit 2921 among examiners with at least 20 applications). Average office actions per grant: 1.20. Most common rejection type: §112.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 91588
- Primary art unit
- 2921
- Work group
- 2900-WG
- Technology center
- 2900
- Applications
- 500
- Granted applications
- 469
- Examiner phone
- (571) 270-0226
- Supervisor
- Aarti Berdichevsky
- Supervisor phone
- (571) 270-5033
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 95.6% | 1.25 |
| Group | 461 | 94.9% | 1.19 |
| Tech Center | 486 | 94.6% | 1.20 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 5 | 1.0% |
| 1 OA | 411 | 82.2% |
| 2 OAs | 71 | 14.2% |
| 3 OAs | 11 | 2.2% |
| 4 OAs | 2 | 0.4% |
| 5+ OAs | 0 | 0.0% |
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 |
|---|---|---|---|
| 2014 | 6 | 4 | 66.7% |
| 2015 | 19 | 18 | 94.7% |
| 2016 | 28 | 28 | 100.0% |
| 2017 | 29 | 27 | 93.1% |
| 2018 | 74 | 72 | 97.3% |
| 2019 | 70 | 68 | 97.1% |
| 2020 | 87 | 87 | 100.0% |
| 2021 | 46 | 45 | 97.8% |
| 2022 | 57 | 55 | 96.5% |
| 2023 | 43 | 36 | 83.7% |
| 2024 | 21 | 20 | 95.2% |
| 2025 | 16 | 9 | 56.3% |
| 2026 | 4 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 495 | 0.0% | 7.1% | 1.8% | 78.6% |
| Action 2 | 84 | 0.0% | 10.7% | 3.6% | 66.7% |
| Action 3 | 13 | 0.0% | 15.4% | 7.7% | 53.8% |
| Action 4 | 2 | 0.0% | 50.0% | 0.0% | 50.0% |
Section 101 rejections
Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
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.