Examiner Karen B. Addison
Grant ratio: 85.5% (92nd percentile in Art Unit 2837 among examiners with at least 20 applications). Average office actions per grant: 1.41. 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 | 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 | 286 | 70.1% |
| 2 OAs | 95 | 23.3% |
| 3 OAs | 19 | 4.7% |
| 4 OAs | 7 | 1.7% |
| 5+ OAs | 1 | 0.2% |
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 | 36 | 29 | 80.6% |
| 2009 | 22 | 19 | 86.4% |
| 2010 | 40 | 32 | 80.0% |
| 2011 | 32 | 29 | 90.6% |
| 2012 | 19 | 15 | 78.9% |
| 2013 | 42 | 36 | 85.7% |
| 2014 | 33 | 27 | 81.8% |
| 2015 | 25 | 20 | 80.0% |
| 2016 | 30 | 27 | 90.0% |
| 2017 | 41 | 36 | 87.8% |
| 2018 | 25 | 23 | 92.0% |
| 2019 | 39 | 38 | 97.4% |
| 2020 | 22 | 16 | 72.7% |
| 2022 | 1 | 1 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 408 | 0.0% | 27.0% | 44.9% | 8.8% |
| Action 2 | 122 | 0.0% | 27.0% | 54.1% | 8.2% |
| Action 3 | 27 | 3.7% | 22.2% | 51.9% | 18.5% |
| Action 4 | 8 | 0.0% | 0.0% | 50.0% | 50.0% |
| Action 5 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 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%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
2.1%
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.