Examiner Karen Masih
Grant ratio: 85.3% (90th percentile in Art Unit 2837 among examiners with at least 20 applications). Average office actions per grant: 1.05. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 70807
- Primary art unit
- 2837
- Work group
- 2830
- Technology center
- 2800
- Applications
- 1,036
- Granted applications
- 884
- Examiner phone
- (571) 272-2068
- Supervisor
- Eduardo Colon Santana
- Supervisor phone
- (571) 272-2060
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 63 | 70.6% | 1.60 |
| Group | 354 | 67.0% | 1.58 |
| Tech Center | 2,413 | 62.4% | 1.69 |
| 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 | 995 | 96.0% |
| 2 OAs | 34 | 3.3% |
| 3 OAs | 4 | 0.4% |
| 4 OAs | 2 | 0.2% |
| 5+ OAs | 1 | 0.1% |
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 | 48 | 38 | 79.2% |
| 2009 | 61 | 53 | 86.9% |
| 2010 | 54 | 47 | 87.0% |
| 2011 | 58 | 56 | 96.6% |
| 2012 | 39 | 34 | 87.2% |
| 2013 | 47 | 42 | 89.4% |
| 2014 | 53 | 50 | 94.3% |
| 2015 | 31 | 28 | 90.3% |
| 2016 | 41 | 37 | 90.2% |
| 2017 | 71 | 65 | 91.5% |
| 2018 | 61 | 59 | 96.7% |
| 2019 | 64 | 62 | 96.9% |
| 2020 | 64 | 59 | 92.2% |
| 2021 | 62 | 59 | 95.2% |
| 2022 | 61 | 58 | 95.1% |
| 2023 | 61 | 55 | 90.2% |
| 2024 | 55 | 48 | 87.3% |
| 2025 | 56 | 34 | 60.7% |
| 2026 | 49 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,036 | 4.0% | 9.7% | 66.5% | 10.1% |
| Action 2 | 41 | 22.0% | 14.6% | 29.3% | 7.3% |
| Action 3 | 7 | 14.3% | 0.0% | 28.6% | 14.3% |
| Action 4 | 3 | 0.0% | 0.0% | 0.0% | 33.3% |
| Action 5 | 1 | 0.0% | 0.0% | 0.0% | 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
3.9%
4.5%
1.7%
10.9%
4.8%
6.1%
2014: Alice
1.9%
3.2%
2.4%
2.7%
4.7%
2019: PEG
9.2%
5.9%
0.0%
7.7%
3.2%
2024: AI examples
1.8%
2025: August memo
3.4%
9.4%
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.