Examiner Lewis West
Grant ratio: 79.2% (64th percentile in Art Unit 2648 among examiners with at least 20 applications). Average office actions per grant: 1.57. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 77862
- Primary art unit
- 2648
- Work group
- 2640
- Technology center
- 2600
- Applications
- 687
- Granted applications
- 544
- Examiner phone
- (571) 272-7859
- Supervisor
- George Eng
- Supervisor phone
- (571) 272-7495
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 26 | 61.1% | 1.74 |
| Group | 226 | 57.7% | 2.06 |
| 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 | 5 | 0.7% |
| 1 OA | 420 | 61.1% |
| 2 OAs | 177 | 25.8% |
| 3 OAs | 51 | 7.4% |
| 4 OAs | 20 | 2.9% |
| 5+ OAs | 14 | 2.0% |
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 |
|---|---|---|---|
| 2008 | 2 | 2 | 100.0% |
| 2010 | 19 | 10 | 52.6% |
| 2011 | 50 | 37 | 74.0% |
| 2012 | 55 | 42 | 76.4% |
| 2013 | 46 | 43 | 93.5% |
| 2014 | 50 | 41 | 82.0% |
| 2015 | 43 | 31 | 72.1% |
| 2016 | 55 | 42 | 76.4% |
| 2017 | 41 | 34 | 82.9% |
| 2018 | 41 | 38 | 92.7% |
| 2019 | 37 | 34 | 91.9% |
| 2020 | 41 | 37 | 90.2% |
| 2021 | 35 | 32 | 91.4% |
| 2022 | 32 | 32 | 100.0% |
| 2023 | 50 | 45 | 90.0% |
| 2024 | 34 | 31 | 91.2% |
| 2025 | 35 | 13 | 37.1% |
| 2026 | 21 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 682 | 1.8% | 26.2% | 55.7% | 2.5% |
| Action 2 | 262 | 0.8% | 22.5% | 66.0% | 1.1% |
| Action 3 | 85 | 1.2% | 20.0% | 65.9% | 2.4% |
| Action 4 | 34 | 0.0% | 26.5% | 64.7% | 2.9% |
| Action 5 | 14 | 0.0% | 7.1% | 85.7% | 0.0% |
| Action 6 | 7 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 3 | 0.0% | 33.3% | 66.7% | 0.0% |
| Action 8 | 2 | 0.0% | 50.0% | 50.0% | 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
0.0%
2.4%
0.0%
2.9%
1.3%
2014: Alice
0.0%
2.5%
0.0%
1.6%
0.0%
2019: PEG
2.1%
3.4%
2.2%
2.1%
3.2%
2024: AI examples
0.0%
2025: August memo
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.