Examiner Benny Quoc Tieu
Grant ratio: 7.9% (10th percentile in Art Unit 2682 among examiners with at least 20 applications). Average office actions per grant: 2.00. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 74567
- Primary art unit
- 2682
- Work group
- 2680
- Technology center
- 2600
- Applications
- 38
- Granted applications
- 3
- Examiner phone
- (571) 272-7490
- Supervisor
- Firmin Backer
- Supervisor phone
- (571) 272-6703
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 6 | 44.1% | 2.15 |
| Group | 114 | 64.6% | 1.80 |
| Tech Center | 1,754 | 57.4% | 1.88 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 1 | 2.6% |
| 1 OA | 24 | 63.2% |
| 2 OAs | 8 | 21.1% |
| 3 OAs | 4 | 10.5% |
| 4 OAs | 0 | 0.0% |
| 5+ OAs | 1 | 2.6% |
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 |
|---|---|---|---|
| 2009 | 5 | 0 | 0.0% |
| 2010 | 3 | 0 | 0.0% |
| 2013 | 3 | 0 | 0.0% |
| 2014 | 1 | 0 | 0.0% |
| 2015 | 1 | 1 | 100.0% |
| 2019 | 2 | 2 | 100.0% |
| 2020 | 3 | 0 | 0.0% |
| 2025 | 6 | 0 | 0.0% |
| 2026 | 14 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 37 | 5.4% | 29.7% | 62.2% | 0.0% |
| Action 2 | 13 | 15.4% | 7.7% | 69.2% | 7.7% |
| Action 3 | 5 | 40.0% | 0.0% | 60.0% | 0.0% |
| Action 4 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 1 | 0.0% | 0.0% | 0.0% | 100.0% |
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%
0.0%
0.0%
2014: Alice
0.0%
0.0%
2019: PEG
0.0%
0.0%
2025: August memo
44.4%
12.5%
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.