Examiner Leonard J. Weinstein
Grant ratio: 50.3% (21st percentile in Art Unit 3746 among examiners with at least 20 applications). Average office actions per grant: 2.20. Most common rejection type: §103.
Appears inactive
Last office action in data: September 2011
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 43 | 50.0% | 2.10 |
| Group | 444 | 57.6% | 1.86 |
| Tech Center | 2,671 | 48.4% | 2.01 |
| 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 | 72 | 36.5% |
| 2 OAs | 79 | 40.1% |
| 3 OAs | 22 | 11.2% |
| 4 OAs | 16 | 8.1% |
| 5+ OAs | 8 | 4.1% |
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 |
|---|---|---|---|
| 2008 | 61 | 26 | 42.6% |
| 2009 | 57 | 29 | 50.9% |
| 2010 | 60 | 35 | 58.3% |
| 2011 | 19 | 9 | 47.4% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 197 | 0.0% | 20.8% | 64.0% | 10.7% |
| Action 2 | 125 | 0.0% | 18.4% | 68.0% | 13.6% |
| Action 3 | 46 | 0.0% | 17.4% | 67.4% | 15.2% |
| Action 4 | 24 | 0.0% | 25.0% | 45.8% | 25.0% |
| Action 5 | 8 | 0.0% | 12.5% | 50.0% | 37.5% |
| Action 6 | 3 | 0.0% | 33.3% | 33.3% | 33.3% |
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%
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.