Examiner Michael A Riga
Grant ratio: 18.4% (36th percentile in Art Unit 1634 among examiners with at least 20 applications). Average office actions per grant: 2.37. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 98217
- Primary art unit
- 1634
- Work group
- 1630
- Technology center
- 1600
- Applications
- 103
- Granted applications
- 19
- Examiner phone
- (571) 270-0984
- Supervisor
- Maria G Leavitt
- Supervisor phone
- (571) 272-1085
Save this analysis
Download this examiner report.
Log in / Sign Up to exportPeer comparisons
| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 32 | 34.1% | 2.44 |
| Group | 245 | 37.4% | 2.18 |
| 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 | 0 | 0.0% |
| 1 OA | 34 | 33.0% |
| 2 OAs | 24 | 23.3% |
| 3 OAs | 28 | 27.2% |
| 4 OAs | 13 | 12.6% |
| 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 | 27 | 13 | 48.1% |
| 2025 | 31 | 6 | 19.4% |
| 2026 | 45 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 103 | 1.0% | 7.8% | 69.9% | 8.7% |
| Action 2 | 69 | 0.0% | 2.9% | 60.9% | 30.4% |
| Action 3 | 45 | 0.0% | 4.4% | 42.2% | 46.7% |
| Action 4 | 17 | 0.0% | 0.0% | 64.7% | 29.4% |
| Action 5 | 4 | 0.0% | 25.0% | 25.0% | 50.0% |
| Action 6 | 2 | 0.0% | 50.0% | 100.0% | 50.0% |
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%
2024: AI examples
1.0%
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.