Examiner D Margaret M Seaman
Grant ratio: 72.4% (62nd percentile in Art Unit 1625 among examiners with at least 20 applications). Average office actions per grant: 1.49. Most common rejection type: §112.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 71257
- Primary art unit
- 1625
- Work group
- 1620
- Technology center
- 1600
- Applications
- 1,440
- Granted applications
- 1,043
- Examiner phone
- (571) 272-0694
- Supervisor
- Andrew Kosar
- Supervisor phone
- (571) 272-0913
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 30 | 55.7% | 1.54 |
| Group | 252 | 46.0% | 1.76 |
| Tech Center | 1,373 | 38.0% | 2.02 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 1 | 0.1% |
| 1 OA | 987 | 68.5% |
| 2 OAs | 340 | 23.6% |
| 3 OAs | 77 | 5.3% |
| 4 OAs | 24 | 1.7% |
| 5+ OAs | 11 | 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 | 95 | 69 | 72.6% |
| 2009 | 80 | 55 | 68.8% |
| 2010 | 87 | 46 | 52.9% |
| 2011 | 71 | 48 | 67.6% |
| 2012 | 86 | 62 | 72.1% |
| 2013 | 72 | 57 | 79.2% |
| 2014 | 88 | 71 | 80.7% |
| 2015 | 52 | 41 | 78.8% |
| 2016 | 72 | 62 | 86.1% |
| 2017 | 84 | 65 | 77.4% |
| 2018 | 97 | 84 | 86.6% |
| 2019 | 64 | 56 | 87.5% |
| 2020 | 68 | 61 | 89.7% |
| 2021 | 85 | 75 | 88.2% |
| 2022 | 63 | 50 | 79.4% |
| 2023 | 71 | 56 | 78.9% |
| 2024 | 81 | 60 | 74.1% |
| 2025 | 76 | 25 | 32.9% |
| 2026 | 48 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,439 | 1.9% | 18.4% | 20.6% | 27.2% |
| Action 2 | 452 | 1.1% | 11.7% | 17.9% | 38.1% |
| Action 3 | 112 | 0.0% | 17.9% | 17.9% | 42.0% |
| Action 4 | 35 | 0.0% | 14.3% | 28.6% | 28.6% |
| Action 5 | 11 | 0.0% | 0.0% | 45.5% | 36.4% |
| Action 6 | 3 | 0.0% | 0.0% | 66.7% | 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
2.1%
2.8%
0.0%
4.2%
1.0%
1.0%
2014: Alice
1.8%
3.4%
1.8%
0.6%
2.9%
2019: PEG
0.0%
0.0%
2.3%
2.2%
1.0%
2024: AI examples
2.0%
2025: August memo
0.0%
1.9%
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.