Examiner Crystal J. Barnes-Bullock
Grant ratio: 83.5% (63rd percentile in Art Unit 2117 among examiners with at least 20 applications). Average office actions per grant: 1.64. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 78863
- Primary art unit
- 2117
- Work group
- 2120
- Technology center
- 2100
- Applications
- 686
- Granted applications
- 573
- Examiner phone
- (571) 272-3679
- Supervisor
- Robert Fennema
- Supervisor phone
- (571) 272-2748
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 34 | 63.3% | 1.87 |
| Group | 333 | 45.2% | 1.98 |
| Tech Center | 1,781 | 52.8% | 2.19 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 6 | 0.9% |
| 1 OA | 402 | 58.6% |
| 2 OAs | 182 | 26.5% |
| 3 OAs | 53 | 7.7% |
| 4 OAs | 29 | 4.2% |
| 5+ OAs | 14 | 2.0% |
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 |
|---|---|---|---|
| 2008 | 42 | 38 | 90.5% |
| 2009 | 57 | 51 | 89.5% |
| 2010 | 35 | 32 | 91.4% |
| 2011 | 46 | 40 | 87.0% |
| 2012 | 44 | 35 | 79.5% |
| 2013 | 26 | 22 | 84.6% |
| 2014 | 46 | 41 | 89.1% |
| 2015 | 48 | 43 | 89.6% |
| 2016 | 37 | 35 | 94.6% |
| 2017 | 47 | 37 | 78.7% |
| 2018 | 45 | 34 | 75.6% |
| 2019 | 42 | 38 | 90.5% |
| 2020 | 35 | 30 | 85.7% |
| 2021 | 23 | 23 | 100.0% |
| 2022 | 22 | 21 | 95.5% |
| 2023 | 16 | 14 | 87.5% |
| 2024 | 30 | 27 | 90.0% |
| 2025 | 27 | 12 | 44.4% |
| 2026 | 18 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 680 | 7.1% | 30.7% | 37.8% | 6.2% |
| Action 2 | 278 | 8.3% | 27.7% | 48.6% | 6.1% |
| Action 3 | 96 | 9.4% | 26.0% | 55.2% | 5.2% |
| Action 4 | 43 | 2.3% | 20.9% | 69.8% | 4.7% |
| Action 5 | 14 | 7.1% | 14.3% | 71.4% | 0.0% |
| Action 6 | 4 | 0.0% | 25.0% | 75.0% | 0.0% |
| Action 7 | 4 | 0.0% | 50.0% | 50.0% | 0.0% |
| Action 8 | 2 | 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
1.6%
5.0%
3.7%
2.4%
8.6%
4.0%
2014: Alice
1.2%
2.4%
1.8%
5.6%
8.9%
2019: PEG
11.3%
5.5%
3.2%
12.1%
13.3%
2024: AI examples
20.0%
2025: August memo
39.0%
19.0%
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.