Examiner Sathyanarayan Pannala
Grant ratio: 74.8% (78th percentile in Art Unit 2164 among examiners with at least 20 applications). Average office actions per grant: 1.81. Most common rejection type: §103.
Appears inactive
Last office action in data: January 2014
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 17 | 58.9% | 2.70 |
| Group | 196 | 60.2% | 2.52 |
| Tech Center | 1,781 | 52.8% | 2.19 |
| 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 | 75 | 49.7% |
| 2 OAs | 50 | 33.1% |
| 3 OAs | 16 | 10.6% |
| 4 OAs | 7 | 4.6% |
| 5+ OAs | 3 | 2.0% |
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 | 19 | 13 | 68.4% |
| 2009 | 42 | 28 | 66.7% |
| 2010 | 31 | 22 | 71.0% |
| 2011 | 29 | 25 | 86.2% |
| 2012 | 13 | 12 | 92.3% |
| 2013 | 14 | 11 | 78.6% |
| 2014 | 3 | 2 | 66.7% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 151 | 12.6% | 25.2% | 55.6% | 2.6% |
| Action 2 | 76 | 21.1% | 22.4% | 48.7% | 6.6% |
| Action 3 | 26 | 23.1% | 19.2% | 46.2% | 11.5% |
| Action 4 | 10 | 0.0% | 30.0% | 50.0% | 10.0% |
| Action 5 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 3 | 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
21.1%
19.7%
11.1%
13.2%
18.8%
0.0%
2014: Alice
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.