Examiner Steven M Christopher
Grant ratio: 70.2% (63rd percentile in Art Unit 2812 among examiners with at least 20 applications). Average office actions per grant: 1.91. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 92321
- Primary art unit
- 2812
- Work group
- 2810
- Technology center
- 2800
- Applications
- 480
- Granted applications
- 337
- Examiner phone
- (571) 272-3249
- Supervisor
- Christine S. Kim
- Supervisor phone
- (571) 272-8548
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 53 | 49.3% | 1.63 |
| Group | 305 | 54.6% | 1.79 |
| 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 | 2 | 0.4% |
| 1 OA | 221 | 46.0% |
| 2 OAs | 154 | 32.1% |
| 3 OAs | 46 | 9.6% |
| 4 OAs | 33 | 6.9% |
| 5+ OAs | 24 | 5.0% |
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 |
|---|---|---|---|
| 2015 | 12 | 5 | 41.7% |
| 2016 | 36 | 24 | 66.7% |
| 2017 | 32 | 24 | 75.0% |
| 2018 | 41 | 30 | 73.2% |
| 2019 | 46 | 43 | 93.5% |
| 2020 | 62 | 52 | 83.9% |
| 2021 | 50 | 46 | 92.0% |
| 2022 | 53 | 47 | 88.7% |
| 2023 | 30 | 28 | 93.3% |
| 2024 | 23 | 18 | 78.3% |
| 2025 | 48 | 20 | 41.7% |
| 2026 | 47 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 478 | 0.4% | 30.5% | 62.8% | 4.2% |
| Action 2 | 257 | 4.7% | 21.8% | 62.3% | 7.4% |
| Action 3 | 103 | 1.0% | 16.5% | 71.8% | 8.7% |
| Action 4 | 57 | 1.8% | 7.0% | 77.2% | 14.0% |
| Action 5 | 24 | 4.2% | 12.5% | 75.0% | 4.2% |
| Action 6 | 8 | 0.0% | 12.5% | 75.0% | 12.5% |
| Action 7 | 4 | 0.0% | 25.0% | 75.0% | 0.0% |
| Action 8 | 1 | 0.0% | 100.0% | 0.0% | 0.0% |
| Action 9 | 1 | 0.0% | 100.0% | 0.0% | 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
0.0%
0.0%
3.3%
10.6%
2019: PEG
0.0%
1.9%
2.0%
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.