Examiner Sarah Cooper Patterson
Grant ratio: 9.7% (17th percentile in Art Unit 1675 among examiners with at least 20 applications). Average office actions per grant: 1.60. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 99921
- Primary art unit
- 1675
- Work group
- 1670
- Technology center
- 1600
- Applications
- 103
- Granted applications
- 10
- Examiner phone
- (703) 756-1991
- Supervisor
- Jeffrey Stucker
- Supervisor phone
- (571) 272-0911
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 15 | 35.9% | 1.44 |
| Group | 84 | 29.7% | 1.91 |
| Tech Center | 1,373 | 38.0% | 2.02 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 4 | 3.9% |
| 1 OA | 31 | 30.1% |
| 2 OAs | 43 | 41.7% |
| 3 OAs | 18 | 17.5% |
| 4 OAs | 3 | 2.9% |
| 5+ OAs | 4 | 3.9% |
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 |
|---|---|---|---|
| 2024 | 5 | 4 | 80.0% |
| 2025 | 33 | 6 | 18.2% |
| 2026 | 65 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 99 | 4.0% | 3.0% | 24.2% | 15.2% |
| Action 2 | 68 | 1.5% | 1.5% | 38.2% | 22.1% |
| Action 3 | 25 | 0.0% | 4.0% | 52.0% | 24.0% |
| Action 4 | 7 | 0.0% | 0.0% | 71.4% | 14.3% |
| Action 5 | 4 | 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
2024: AI examples
5.0%
2025: August memo
2.7%
1.4%
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.