Examiner Dairon Estevez

Grant ratio: 36.0% (30th percentile in Art Unit 3656 among examiners with at least 20 applications). Average office actions per grant: 1.69. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 36.0%
Average office actions / grant 1.69
Compared with Art unit Very hard
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
98264
Primary art unit
3656
Work group
3650
Technology center
3600
Applications
100
Granted applications
36
Examiner phone
(703) 756-4552
Supervisor
Khoi Tran
Supervisor phone
(571) 272-6919

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 30 49.7% 1.66
Group 255 56.6% 1.70
Tech Center 2,381 46.2% 2.12
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.98 198 office actions across 100 applications
Applications with office actions 96.0% 96 applications
Office actionsApplicationsShare of applications
No OA observed 4 4.0%
1 OA 34 34.0%
2 OAs 37 37.0%
3 OAs 13 13.0%
4 OAs 9 9.0%
5+ OAs 3 3.0%

Each application is counted once. “5+” includes all higher counts.

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2023: 75.0% 2023 2024: 62.2% 2024 2025: 33.3% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20234375.0%
2024372362.2%
2025301033.3%
20262900.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 96 1.0% 2.1% 90.6% 5.2%
Action 2 62 0.0% 1.6% 96.8% 1.6%
Action 3 25 0.0% 0.0% 100.0% 0.0%
Action 4 12 0.0% 0.0% 91.7% 0.0%
Action 5 3 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.5% 1 of 197 office actions
All years 0.5% 1 of 198 office actions
Change +0.0 pts Percentage points

Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.

By year

0.0%
2024: AI examples
0.0%
2025: August memo
1.5%
0.0%

Each bar is the percentage of office actions with a §101 rejection.

PTAB appeals

Matched decisions: 2. Merits outcomes: 1 affirmed, 0 affirmed in part, and 1 reversed.

Full reversal rate
50.0% 1/2 decisions
Full or partial reversal rate
50.0% 1/2 decisions
Median appeal duration
9.5 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jan. 5, 2026 17/533,167 Reversed §103
Dec. 17, 2025 17/644,123 Affirmed N/A

The examiner match uses the last recorded office action before the decision. Reversal rates exclude rehearings, remands, dismissals, and other decisions that did not reach the merits. Data through Aug. 27, 2026.

Job History

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