Examiner William M. Treat
Grant ratio: 58.8% (9th percentile in Art Unit 2181 among examiners with at least 20 applications). Average office actions per grant: 1.83. Most common rejection type: §103.
Appears inactive
Last office action in data: November 2011
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 17 | 68.8% | 1.93 |
| Group | 178 | 52.5% | 1.89 |
| Tech Center | 1,781 | 52.8% | 2.19 |
| 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 | 56 | 47.1% |
| 2 OAs | 34 | 28.6% |
| 3 OAs | 16 | 13.4% |
| 4 OAs | 12 | 10.1% |
| 5+ OAs | 1 | 0.8% |
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 |
|---|---|---|---|
| 2008 | 32 | 16 | 50.0% |
| 2009 | 38 | 22 | 57.9% |
| 2010 | 26 | 17 | 65.4% |
| 2011 | 23 | 15 | 65.2% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 119 | 11.8% | 17.6% | 54.6% | 5.9% |
| Action 2 | 63 | 6.3% | 9.5% | 66.7% | 11.1% |
| Action 3 | 29 | 6.9% | 6.9% | 58.6% | 20.7% |
| Action 4 | 13 | 0.0% | 0.0% | 61.5% | 23.1% |
| Action 5 | 1 | 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
6.3%
14.9%
7.7%
3.7%
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.