Examiner Fahmida S Chowdhury
Grant ratio: 84.5% (60th percentile in Art Unit 2471 among examiners with at least 20 applications). Average office actions per grant: 1.30. Most common rejection type: §103.
Recently active
Last office action in data: October 2026
Examiner record
- Examiner ID
- 88911
- Primary art unit
- 2471
- Work group
- 2470
- Technology center
- 2400
- Applications
- 647
- Granted applications
- 547
- Examiner phone
- (571) 272-2547
- Supervisor
- Sujoy K Kundu
- Supervisor phone
- (571) 272-8586
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 76.1% | 1.65 |
| Group | 204 | 62.6% | 1.93 |
| Tech Center | 1,763 | 57.8% | 2.14 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 512 | 79.1% |
| 2 OAs | 97 | 15.0% |
| 3 OAs | 32 | 4.9% |
| 4 OAs | 5 | 0.8% |
| 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 |
|---|---|---|---|
| 2012 | 8 | 7 | 87.5% |
| 2013 | 39 | 34 | 87.2% |
| 2014 | 42 | 37 | 88.1% |
| 2015 | 39 | 35 | 89.7% |
| 2016 | 45 | 41 | 91.1% |
| 2017 | 38 | 34 | 89.5% |
| 2018 | 40 | 37 | 92.5% |
| 2019 | 47 | 46 | 97.9% |
| 2020 | 58 | 53 | 91.4% |
| 2021 | 62 | 62 | 100.0% |
| 2022 | 52 | 50 | 96.2% |
| 2023 | 47 | 44 | 93.6% |
| 2024 | 43 | 40 | 93.0% |
| 2025 | 47 | 27 | 57.4% |
| 2026 | 40 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 647 | 0.5% | 35.1% | 40.8% | 3.4% |
| Action 2 | 135 | 0.0% | 15.6% | 71.9% | 3.7% |
| Action 3 | 38 | 0.0% | 7.9% | 81.6% | 2.6% |
| Action 4 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
1.5%
1.6%
1.9%
0.0%
2024: AI examples
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. 9, 2026.