Examiner Lucy M Tien
Grant ratio: 26.6% (35th percentile in Art Unit 1612 among examiners with at least 20 applications). Average office actions per grant: 2.50. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 97548
- Primary art unit
- 1612
- Work group
- 1610
- Technology center
- 1600
- Applications
- 128
- Granted applications
- 34
- Examiner phone
- (571) 272-8267
- Supervisor
- Frederick Krass
- Supervisor phone
- (571) 272-0580
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 33 | 31.9% | 2.35 |
| Group | 217 | 31.1% | 2.42 |
| 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 | 2 | 1.6% |
| 1 OA | 45 | 35.2% |
| 2 OAs | 49 | 38.3% |
| 3 OAs | 20 | 15.6% |
| 4 OAs | 7 | 5.5% |
| 5+ OAs | 5 | 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 |
|---|---|---|---|
| 2022 | 1 | 1 | 100.0% |
| 2023 | 22 | 12 | 54.5% |
| 2024 | 25 | 14 | 56.0% |
| 2025 | 17 | 7 | 41.2% |
| 2026 | 63 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 126 | 0.0% | 1.6% | 50.0% | 0.8% |
| Action 2 | 81 | 0.0% | 0.0% | 69.1% | 0.0% |
| Action 3 | 32 | 0.0% | 0.0% | 65.6% | 3.1% |
| Action 4 | 12 | 0.0% | 0.0% | 75.0% | 0.0% |
| Action 5 | 5 | 0.0% | 0.0% | 80.0% | 0.0% |
| Action 6 | 5 | 0.0% | 0.0% | 80.0% | 0.0% |
| Action 7 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 1 | 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
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.