Examiner Dana L Poon

Grant ratio: 32.7% (24th percentile in Art Unit 3723 among examiners with at least 20 applications). Average office actions per grant: 2.18. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 32.7%
Average office actions / grant 2.18
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
96248
Primary art unit
3723
Work group
3720
Technology center
3700
Applications
226
Granted applications
74
Examiner phone
(571) 272-6164
Supervisor
Edward Landrum
Supervisor phone
(571) 272-5567

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 87 44.4% 1.69
Group 314 51.5% 1.76
Tech Center 2,671 48.4% 2.01
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.31 523 office actions across 226 applications
Applications with office actions 96.9% 219 applications
Office actionsApplicationsShare of applications
No OA observed 7 3.1%
1 OA 83 36.7%
2 OAs 63 27.9%
3 OAs 27 11.9%
4 OAs 25 11.1%
5+ OAs 21 9.3%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2021: 66.7% 2021 2022: 50.0% 2022 2023: 55.2% 2023 2024: 55.0% 2024 2025: 21.9% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20219666.7%
2022462350.0%
2023291655.2%
2024402255.0%
202532721.9%
20267000.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 219 0.5% 3.7% 84.0% 4.6%
Action 2 136 0.0% 7.4% 84.6% 5.9%
Action 3 73 0.0% 6.8% 78.1% 8.2%
Action 4 46 2.2% 0.0% 89.1% 6.5%
Action 5 21 4.8% 0.0% 85.7% 9.5%
Action 6 14 0.0% 0.0% 85.7% 14.3%
Action 7 7 0.0% 0.0% 71.4% 14.3%
Action 8 4 0.0% 0.0% 100.0% 0.0%
Action 9 2 0.0% 0.0% 100.0% 0.0%
Action 10 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.8% 3 of 354 office actions
All years 0.6% 3 of 523 office actions
Change +0.3 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%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
1.7%
1.1%

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

PTAB appeals

Matched decisions: 3. Merits outcomes: 1 affirmed, 1 affirmed in part, and 1 reversed.

Full reversal rate
33.3% 1/3 decisions
Full or partial reversal rate
66.7% 2/3 decisions
Median appeal duration
7.1 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Aug. 19, 2026 16/347,393 Affirmed §102 · §103 · §112
May. 27, 2026 16/860,410 Reversed §103
Feb. 27, 2023 16/624,773 Affirmed in part §103 · §112

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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