Examiner Brian Butler Geiss
Grant ratio: 36.6% (14th percentile in Art Unit 2863 among examiners with at least 20 applications). Average office actions per grant: 1.94. Most common rejection type: §103.
Recently active
Last office action in data: October 2026
Examiner record
- Examiner ID
- 97733
- Primary art unit
- 2863
- Work group
- 2860
- Technology center
- 2800
- Applications
- 93
- Granted applications
- 34
- Examiner phone
- (571) 270-1248
- Supervisor
- Catherine Rastovski
- Supervisor phone
- (571) 270-0349
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 42 | 59.1% | 1.74 |
| Group | 130 | 67.0% | 1.82 |
| Tech Center | 2,428 | 61.6% | 1.69 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 38 | 40.9% |
| 2 OAs | 25 | 26.9% |
| 3 OAs | 17 | 18.3% |
| 4 OAs | 8 | 8.6% |
| 5+ OAs | 5 | 5.4% |
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 | 2 | 2 | 100.0% |
| 2023 | 15 | 12 | 80.0% |
| 2024 | 24 | 17 | 70.8% |
| 2025 | 23 | 3 | 13.0% |
| 2026 | 29 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 93 | 8.6% | 4.3% | 87.1% | 1.1% |
| Action 2 | 55 | 7.3% | 3.6% | 89.1% | 0.0% |
| Action 3 | 30 | 10.0% | 3.3% | 90.0% | 3.3% |
| Action 4 | 13 | 30.8% | 0.0% | 69.2% | 0.0% |
| Action 5 | 5 | 40.0% | 0.0% | 60.0% | 0.0% |
| Action 6 | 3 | 33.3% | 0.0% | 66.7% | 0.0% |
| Action 7 | 1 | 100.0% | 0.0% | 0.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
0.0%
6.3%
2024: AI examples
8.5%
2025: August memo
16.0%
17.1%
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. 9, 2026.