Examiner Lam Do
Grant ratio: 59.2% (42nd percentile in Art Unit 2444 among examiners with at least 20 applications). Average office actions per grant: 2.63. Most common rejection type: §103.
Appears inactive
Last office action in data: September 2022
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 30 | 64.2% | 2.35 |
| Group | 208 | 56.0% | 2.42 |
| Tech Center | 1,754 | 58.4% | 2.14 |
| 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 | 41 | 23.4% |
| 2 OAs | 56 | 32.0% |
| 3 OAs | 21 | 12.0% |
| 4 OAs | 29 | 16.6% |
| 5+ OAs | 28 | 16.0% |
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 |
|---|---|---|---|
| 2013 | 1 | 0 | 0.0% |
| 2014 | 5 | 2 | 40.0% |
| 2015 | 16 | 5 | 31.3% |
| 2016 | 26 | 16 | 61.5% |
| 2017 | 20 | 14 | 70.0% |
| 2018 | 31 | 21 | 67.7% |
| 2019 | 15 | 8 | 53.3% |
| 2020 | 18 | 11 | 61.1% |
| 2021 | 11 | 6 | 54.5% |
| 2022 | 14 | 10 | 71.4% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 175 | 0.0% | 4.0% | 90.9% | 1.1% |
| Action 2 | 134 | 0.0% | 3.7% | 95.5% | 0.7% |
| Action 3 | 78 | 0.0% | 0.0% | 98.7% | 1.3% |
| Action 4 | 57 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 28 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 18 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 10 | 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
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
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.