Examiner Austin Robert Chennault
Grant ratio: 3.7% (10th percentile in Art Unit 3667 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: September 2026
Examiner record
- Examiner ID
- 100954
- Primary art unit
- 3667
- Work group
- 3660
- Technology center
- 3600
- Applications
- 27
- Granted applications
- 1
- Examiner phone
- (571) 272-4606
- Supervisor
- Hitesh Patel
- Supervisor phone
- (571) 270-5442
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 50 | 50.1% | 1.87 |
| Group | 452 | 53.2% | 1.86 |
| Tech Center | 2,394 | 45.5% | 2.12 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 7 | 25.9% |
| 2 OAs | 15 | 55.6% |
| 3 OAs | 3 | 11.1% |
| 4 OAs | 2 | 7.4% |
| 5+ OAs | 0 | 0.0% |
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 | 8 | 1 | 12.5% |
| 2026 | 19 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 27 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 2 | 20 | 5.0% | 5.0% | 85.0% | 5.0% |
| Action 3 | 5 | 20.0% | 0.0% | 80.0% | 0.0% |
| Action 4 | 2 | 0.0% | 50.0% | 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
2025: August memo
6.3%
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 Oct. 30, 2026.