Examiner Elizabeth Mckane
Grant ratio: 49.0% (17th percentile in Art Unit 3991 among examiners with at least 20 applications). Average office actions per grant: 1.98. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 71017
- Primary art unit
- 3991
- Work group
- 3990
- Technology center
- 3900
- Applications
- 263
- Granted applications
- 129
- Examiner phone
- (571) 272-1275
- Supervisor
- Patricia Engle
- Supervisor phone
- (571) 272-6660
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 17 | 66.4% | 1.78 |
| Group | 72 | 56.0% | 2.28 |
| Tech Center | 70 | 55.6% | 2.30 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 9 | 3.4% |
| 1 OA | 116 | 44.1% |
| 2 OAs | 82 | 31.2% |
| 3 OAs | 34 | 12.9% |
| 4 OAs | 11 | 4.2% |
| 5+ OAs | 11 | 4.2% |
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 | 46 | 24 | 52.2% |
| 2009 | 62 | 30 | 48.4% |
| 2010 | 21 | 15 | 71.4% |
| 2014 | 1 | 1 | 100.0% |
| 2015 | 2 | 1 | 50.0% |
| 2016 | 5 | 5 | 100.0% |
| 2017 | 5 | 4 | 80.0% |
| 2018 | 6 | 5 | 83.3% |
| 2019 | 8 | 2 | 25.0% |
| 2020 | 8 | 5 | 62.5% |
| 2021 | 9 | 8 | 88.9% |
| 2022 | 7 | 6 | 85.7% |
| 2023 | 9 | 7 | 77.8% |
| 2024 | 11 | 8 | 72.7% |
| 2025 | 25 | 8 | 32.0% |
| 2026 | 38 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 254 | 0.8% | 5.1% | 63.0% | 9.8% |
| Action 2 | 138 | 0.7% | 5.8% | 55.8% | 10.1% |
| Action 3 | 56 | 0.0% | 5.4% | 57.1% | 10.7% |
| Action 4 | 22 | 0.0% | 9.1% | 50.0% | 18.2% |
| Action 5 | 11 | 0.0% | 0.0% | 36.4% | 27.3% |
| Action 6 | 4 | 0.0% | 0.0% | 50.0% | 0.0% |
| Action 7 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Action 8 | 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
0.0%
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
5.6%
0.0%
0.0%
0.0%
3.7%
2024: AI examples
0.0%
2025: August memo
0.0%
2.0%
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.