Examiner Aiden Y Lee

Grant ratio: 39.4% (63rd percentile in Art Unit 1718 among examiners with at least 20 applications). Average office actions per grant: 2.57. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 39.4%
Average office actions / grant 2.57
Compared with Art unit Very easy
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
89831
Primary art unit
1718
Work group
1710
Technology center
1700
Applications
525
Granted applications
207
Examiner phone
(571) 270-1440
Supervisor
Gordon Baldwin
Supervisor phone
(571) 272-5166

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 15 27.1% 2.77
Group 162 46.9% 2.19
Tech Center 1,792 44.3% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.65 1,389 office actions across 525 applications
Applications with office actions 99.6% 523 applications
Office actionsApplicationsShare of applications
No OA observed 2 0.4%
1 OA 123 23.4%
2 OAs 184 35.0%
3 OAs 83 15.8%
4 OAs 80 15.2%
5+ OAs 53 10.1%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2012: 0.0% 2012 2013: 17.6% 2013 2014: 21.6% 2014 2015: 25.7% 2015 2016: 20.5% 2016 2017: 34.1% 2017 2018: 63.3% 2018 2019: 44.7% 2019 2020: 33.3% 2020 2021: 45.2% 2021 2022: 60.0% 2022 2023: 73.8% 2023 2024: 67.4% 2024 2025: 44.4% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2012100.0%
201317317.6%
201437821.6%
201535925.7%
201639820.5%
2017441534.1%
2018301963.3%
2019472144.7%
2020361233.3%
2021311445.2%
2022301860.0%
2023423173.8%
2024432967.4%
2025452044.4%
20264800.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 523 1.0% 2.5% 81.5% 5.4%
Action 2 400 0.0% 2.0% 87.0% 8.0%
Action 3 216 0.0% 0.5% 87.5% 8.3%
Action 4 133 0.0% 0.0% 91.7% 6.8%
Action 5 53 0.0% 0.0% 90.6% 7.5%
Action 6 34 0.0% 0.0% 91.2% 5.9%
Action 7 17 0.0% 0.0% 76.5% 23.5%
Action 8 7 0.0% 0.0% 100.0% 0.0%
Action 9 4 0.0% 0.0% 75.0% 25.0%
Action 10 2 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.7% 2 of 305 office actions
All years 0.4% 5 of 1,389 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%
2.5%
2014: Alice
0.0%
0.0%
0.9%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
1.1%
1.4%

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

PTAB appeals

Matched decisions: 13. Merits outcomes: 5 affirmed, 1 affirmed in part, and 7 reversed.

Full reversal rate
53.8% 7/13 decisions
Full or partial reversal rate
61.5% 8/13 decisions
Median appeal duration
14.0 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Aug. 19, 2025 16/916,250 Affirmed in part §103
Oct. 9, 2024 17/176,436 Reversed §103
Oct. 24, 2023 17/024,882 Affirmed §103 · §112
Sep. 18, 2023 16/467,828 Reversed N/A
Jun. 9, 2023 16/307,286 Reversed N/A
Jan. 12, 2021 15/331,544 Reversed §103 · §112
Dec. 28, 2020 14/957,440 Reversed §103
Dec. 14, 2020 15/202,984 Affirmed §103 · §112
Jul. 10, 2020 15/392,584 Reversed §103
Mar. 8, 2019 13/419,770 Affirmed N/A
Jan. 27, 2017 12/979,989 Affirmed §102 · §103
Sep. 26, 2016 12/831,731 Affirmed §103

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.

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