Examiner Julia Z Yao

Grant ratio: 33.6% (13th percentile in Art Unit 2666 among examiners with at least 20 applications). Average office actions per grant: 1.95. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 33.6%
Average office actions / grant 1.95
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO About average

Examiner record

Examiner ID
98044
Primary art unit
2666
Work group
2660
Technology center
2600
Applications
113
Granted applications
38
Examiner phone
(571) 272-2870
Supervisor
Emily Terrell
Supervisor phone
(571) 270-3717

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 38 64.4% 1.71
Group 289 63.2% 1.66
Tech Center 1,754 57.4% 1.88
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.94 221 office actions across 114 applications
Applications with office actions 100.0% 114 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 50 43.9%
2 OAs 37 32.5%
3 OAs 15 13.2%
4 OAs 9 7.9%
5+ OAs 3 2.6%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2023: 50.0% 2023 2024: 67.6% 2024 2025: 27.8% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
202310550.0%
2024342367.6%
2025361027.8%
20263300.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 114 0.9% 4.4% 84.2% 8.8%
Action 2 64 0.0% 0.0% 96.9% 3.1%
Action 3 27 0.0% 0.0% 96.3% 0.0%
Action 4 12 0.0% 0.0% 83.3% 8.3%
Action 5 3 0.0% 0.0% 100.0% 0.0%
Action 6 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.5% 1 of 213 office actions
All years 0.5% 1 of 221 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
1.3%
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 Aug. 27, 2026.

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