Examiner Charles C. Jiang
Grant ratio: 70.0% (42nd percentile in Art Unit 2472 among examiners with at least 20 applications). Average office actions per grant: 2.38. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 85680
- Primary art unit
- 2472
- Work group
- 2470
- Technology center
- 2400
- Applications
- 267
- Granted applications
- 187
- Examiner phone
- (571) 270-7191
- Supervisor
- James Kramer
- Supervisor phone
- (571) 272-6783
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 31 | 59.9% | 1.72 |
| Group | 202 | 63.7% | 1.93 |
| Tech Center | 1,754 | 58.4% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 18 | 6.7% |
| 1 OA | 79 | 29.6% |
| 2 OAs | 87 | 32.6% |
| 3 OAs | 35 | 13.1% |
| 4 OAs | 25 | 9.4% |
| 5+ OAs | 23 | 8.6% |
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 | 5 | 3 | 60.0% |
| 2009 | 25 | 17 | 68.0% |
| 2010 | 46 | 35 | 76.1% |
| 2011 | 56 | 42 | 75.0% |
| 2012 | 60 | 48 | 80.0% |
| 2013 | 43 | 36 | 83.7% |
| 2014 | 4 | 0 | 0.0% |
| 2016 | 1 | 0 | 0.0% |
| 2017 | 1 | 0 | 0.0% |
| 2025 | 7 | 6 | 85.7% |
| 2026 | 19 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 249 | 2.0% | 6.4% | 80.7% | 8.8% |
| Action 2 | 170 | 3.5% | 4.1% | 77.6% | 13.5% |
| Action 3 | 83 | 0.0% | 1.2% | 89.2% | 9.6% |
| Action 4 | 48 | 2.1% | 2.1% | 85.4% | 12.5% |
| Action 5 | 23 | 0.0% | 0.0% | 78.3% | 21.7% |
| Action 6 | 11 | 0.0% | 0.0% | 63.6% | 27.3% |
| Action 7 | 3 | 0.0% | 0.0% | 66.7% | 33.3% |
| Action 8 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 10 | 1 | 0.0% | 0.0% | 0.0% | 100.0% |
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%
2.6%
4.0%
0.0%
2.0%
1.8%
2014: Alice
0.0%
0.0%
0.0%
2025: August memo
7.7%
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.