Examiner Brian Keith Palmarchuk
Grant ratio: 3.8% (4th percentile in Art Unit 3669 among examiners with at least 20 applications). Average office actions per grant: 1.00. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 100913
- Primary art unit
- 3669
- Work group
- 3660
- Technology center
- 3600
- Applications
- 52
- Granted applications
- 2
- Examiner phone
- (571) 272-6261
- Supervisor
- Navid Mehdizadeh
- Supervisor phone
- (571) 272-7691
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 55 | 56.5% | 1.85 |
| Group | 454 | 54.1% | 1.86 |
| Tech Center | 2,381 | 46.2% | 2.12 |
| 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 | 26 | 50.0% |
| 2 OAs | 12 | 23.1% |
| 3 OAs | 8 | 15.4% |
| 4 OAs | 3 | 5.8% |
| 5+ OAs | 3 | 5.8% |
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 |
|---|---|---|---|
| 2025 | 14 | 2 | 14.3% |
| 2026 | 38 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 52 | 3.8% | 5.8% | 88.5% | 0.0% |
| Action 2 | 26 | 3.8% | 3.8% | 88.5% | 7.7% |
| Action 3 | 14 | 0.0% | 0.0% | 92.9% | 14.3% |
| Action 4 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 3 | 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
2025: August memo
2.2%
3.6%
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.