Examiner Andrew P Lee

Grant ratio: 41.3% (45th percentile in Art Unit 1621 among examiners with at least 20 applications). Average office actions per grant: 3.05. Most common rejection type: §103.

Recently active Last office action in data: October 2026
Grant ratio 41.3%
Average office actions / grant 3.05
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center About average
Compared with USPTO Very hard

Examiner record

Examiner ID
89545
Primary art unit
1621
Work group
1620
Technology center
1600
Applications
656
Granted applications
271
Examiner phone
(571) 270-1016
Supervisor
Renee Claytor
Supervisor phone
(571) 272-8394

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 33 43.0% 1.73
Group 256 44.8% 1.76
Tech Center 1,383 37.4% 2.02
USPTO 16,620 51.8% 1.98

Office actions per application

Average office actions per application 2.93 1,936 office actions across 661 applications
Applications with office actions 100.0% 661 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 173 26.2%
2 OAs 201 30.4%
3 OAs 95 14.4%
4 OAs 79 12.0%
5+ OAs 113 17.1%

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: 28.0% 2013 2014: 41.5% 2014 2015: 59.3% 2015 2016: 56.4% 2016 2017: 30.3% 2017 2018: 25.9% 2018 2019: 33.3% 2019 2020: 31.9% 2020 2021: 61.4% 2021 2022: 64.4% 2022 2023: 63.3% 2023 2024: 76.9% 2024 2025: 23.4% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2012100.0%
201325728.0%
2014411741.5%
2015543259.3%
2016553156.4%
2017331030.3%
201827725.9%
2019602033.3%
2020692231.9%
2021442761.4%
2022452964.4%
2023603863.3%
2024262076.9%
2025471123.4%
20266900.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 661 0.3% 4.1% 62.0% 8.5%
Action 2 488 0.2% 3.3% 65.6% 12.7%
Action 3 287 0.7% 2.4% 71.1% 13.2%
Action 4 192 0.0% 2.1% 74.0% 13.0%
Action 5 113 0.0% 0.0% 78.8% 13.3%
Action 6 74 0.0% 0.0% 81.1% 8.1%
Action 7 50 0.0% 4.0% 80.0% 4.0%
Action 8 37 0.0% 0.0% 86.5% 8.1%
Action 9 16 0.0% 0.0% 87.5% 6.3%
Action 10 11 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.3% 1 of 304 office actions
All years 0.3% 5 of 1,936 office actions
Change +0.1 pts Percentage points

Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.

By year

0.0%
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.6%
1.2%
0.6%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
0.0%
1.1%

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

PTAB appeals

Matched decisions: 16. Merits outcomes: 6 affirmed, 3 affirmed in part, and 7 reversed.

Full reversal rate
43.8% 7/16 decisions
Full or partial reversal rate
62.5% 10/16 decisions
Median appeal duration
10.2 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Sep. 25, 2026 15/734,869 Affirmed §103
Jun. 20, 2025 17/073,561 Affirmed §103 · §112
May. 1, 2025 16/381,975 Affirmed in part §103
Mar. 31, 2025 16/342,730 Reversed §103
Jan. 22, 2025 17/228,025 Affirmed in part §103
May. 25, 2023 17/467,976 Reversed §101 · §103
Feb. 27, 2023 13/923,858 Affirmed §103
Dec. 27, 2022 16/084,075 Reversed §103
Aug. 3, 2021 14/644,608 Reversed §103
Aug. 2, 2021 14/547,771 Reversed §103
Apr. 27, 2021 14/494,170 Reversed §103
Jan. 1, 2021 15/300,984 Reversed §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 Oct. 30, 2026.

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