Examiner Mark Ruthkosky
Grant ratio: 38.3% (26th percentile in Art Unit 1785 among examiners with at least 20 applications). Average office actions per grant: 1.35. Most common rejection type: §103.
Recently active
Last office action in data: October 2026
Examiner record
- Examiner ID
- 76046
- Primary art unit
- 1785
- Work group
- 1780
- Technology center
- 1700
- Applications
- 60
- Granted applications
- 23
- Examiner phone
- (571) 272-1291
- Supervisor
- Patrick Ryan
- Supervisor phone
- (571) 272-1292
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 20 | 42.8% | 2.14 |
| Group | 212 | 36.3% | 2.71 |
| Tech Center | 1,816 | 43.3% | 2.14 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 7 | 11.7% |
| 1 OA | 34 | 56.7% |
| 2 OAs | 13 | 21.7% |
| 3 OAs | 3 | 5.0% |
| 4 OAs | 1 | 1.7% |
| 5+ OAs | 2 | 3.3% |
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 | 27 | 17 | 63.0% |
| 2009 | 4 | 2 | 50.0% |
| 2010 | 1 | 0 | 0.0% |
| 2012 | 2 | 0 | 0.0% |
| 2014 | 4 | 1 | 25.0% |
| 2017 | 1 | 0 | 0.0% |
| 2018 | 1 | 1 | 100.0% |
| 2025 | 10 | 2 | 20.0% |
| 2026 | 10 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 53 | 0.0% | 17.0% | 77.4% | 3.8% |
| Action 2 | 19 | 0.0% | 0.0% | 89.5% | 5.3% |
| Action 3 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 4 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-23–2026-10-23. 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%
2025: August memo
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 Oct. 30, 2026.