Examiner Susannah S Armstrong
Grant ratio: 3.3% (15th percentile in Art Unit 1616 among examiners with at least 20 applications). Average office actions per grant: 3.00. Most common rejection type: §103.
Recently active
Last office action in data: October 2026
Examiner record
- Examiner ID
- 100232
- Primary art unit
- 1616
- Work group
- 1610
- Technology center
- 1600
- Applications
- 92
- Granted applications
- 3
- Examiner phone
- (571) 272-0112
- Supervisor
- Sue X Liu
- Supervisor phone
- (571) 272-5539
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 29 | 27.4% | 2.46 |
| Group | 220 | 30.4% | 2.41 |
| Tech Center | 1,383 | 37.4% | 2.02 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 8 | 8.7% |
| 1 OA | 28 | 30.4% |
| 2 OAs | 30 | 32.6% |
| 3 OAs | 19 | 20.7% |
| 4 OAs | 5 | 5.4% |
| 5+ OAs | 2 | 2.2% |
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 | 2 | 1 | 50.0% |
| 2025 | 25 | 2 | 8.0% |
| 2026 | 65 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 84 | 1.2% | 3.6% | 41.7% | 1.2% |
| Action 2 | 56 | 3.6% | 1.8% | 53.6% | 3.6% |
| Action 3 | 26 | 0.0% | 7.7% | 42.3% | 0.0% |
| Action 4 | 7 | 0.0% | 0.0% | 42.9% | 0.0% |
| Action 5 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.
By year
2024: AI examples
0.0%
2025: August memo
2.4%
1.1%
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 Oct. 30, 2026.