Examiner Dang Nguyen, Who Can Be Reached By Telephone At (571) 272-1955. Normal Contact Times Are M-F, 8:00 Am - 4:30 Pm. Upon An Unsuccessful Attempt To Contact The Examiner, The Examiner’S Supervisor, Richard Elms, May Be Reached At (571) 272-1869. Any Inquiry Of A General Nature Or Relating To The Status Of This Application Or Proceeding Should Be Directed To The Receptionist
Grant ratio: 94.2% (91st percentile in Art Unit 2824 among examiners with at least 20 applications). Average office actions per grant: 1.40. Most common rejection type: §103.
Appears inactive
Last office action in data: June 2013
Examiner record
Save this analysis
Download this examiner report.
Log in / Sign Up to exportPeer comparisons
| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 28 | 76.9% | 1.45 |
| Group | 207 | 71.2% | 1.64 |
| 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 | 207 | 70.9% |
| 2 OAs | 61 | 20.9% |
| 3 OAs | 17 | 5.8% |
| 4 OAs | 6 | 2.1% |
| 5+ OAs | 1 | 0.3% |
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 | 42 | 39 | 92.9% |
| 2009 | 61 | 56 | 91.8% |
| 2010 | 56 | 52 | 92.9% |
| 2011 | 66 | 64 | 97.0% |
| 2012 | 56 | 54 | 96.4% |
| 2013 | 11 | 10 | 90.9% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 292 | 0.3% | 30.8% | 60.6% | 0.3% |
| Action 2 | 85 | 0.0% | 21.2% | 70.6% | 0.0% |
| Action 3 | 24 | 0.0% | 29.2% | 70.8% | 0.0% |
| Action 4 | 7 | 0.0% | 14.3% | 85.7% | 0.0% |
| Action 5 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 1 | 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: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
0.0%
0.0%
0.0%
0.0%
1.5%
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.