Examiner Eliza Lam

Grant ratio: 33.3% (47th percentile in Art Unit 3686 among examiners with at least 20 applications). Average office actions per grant: 3.15. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 33.3%
Average office actions / grant 3.15
Compared with Art unit About average
Compared with Work group About average
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
85093
Primary art unit
3686
Work group
3680
Technology center
3600
Applications
585
Granted applications
195
Examiner phone
(571) 270-7052
Supervisor
Peter Choi
Supervisor phone
(469) 295-9171

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 42 32.1% 2.69
Group 285 28.7% 2.80
Tech Center 2,381 46.2% 2.12
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 3.10 1,812 office actions across 585 applications
Applications with office actions 99.7% 583 applications
Office actionsApplicationsShare of applications
No OA observed 2 0.3%
1 OA 194 33.2%
2 OAs 120 20.5%
3 OAs 74 12.6%
4 OAs 78 13.3%
5+ OAs 117 20.0%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 7.7% 2008 2009: 6.7% 2009 2010: 29.0% 2010 2011: 14.3% 2011 2012: 17.2% 2012 2013: 25.0% 2013 2014: 22.2% 2014 2015: 4.7% 2015 2016: 28.6% 2016 2017: 27.6% 2017 2018: 54.1% 2018 2019: 55.6% 2019 2020: 57.7% 2020 2021: 59.3% 2021 2022: 64.9% 2022 2023: 64.4% 2023 2024: 55.6% 2024 2025: 14.6% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20081317.7%
20093026.7%
201031929.0%
201114214.3%
201229517.2%
201328725.0%
201427622.2%
20154324.7%
201628828.6%
201729827.6%
2018372054.1%
2019362055.6%
2020261557.7%
2021271659.3%
2022372464.9%
2023452964.4%
2024271555.6%
202541614.6%
20263700.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 583 6.5% 20.2% 67.8% 1.0%
Action 2 389 11.3% 12.9% 68.9% 4.6%
Action 3 269 14.5% 8.2% 71.0% 3.7%
Action 4 195 17.9% 5.6% 71.3% 3.6%
Action 5 117 15.4% 6.0% 72.6% 6.0%
Action 6 91 16.5% 3.3% 73.6% 6.6%
Action 7 49 10.2% 6.1% 81.6% 2.0%
Action 8 37 16.2% 5.4% 70.3% 8.1%
Action 9 22 27.3% 4.5% 63.6% 4.5%
Action 10 17 17.6% 0.0% 64.7% 17.6%

Section 101 rejections

Last 3 years 16.0% 46 of 288 office actions
All years 11.9% 215 of 1,812 office actions
Change +4.1 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%
2.6%
2.3%
1.0%
1.0%
2014: Alice
12.3%
20.8%
18.5%
15.2%
22.3%
2019: PEG
13.2%
7.2%
12.7%
18.1%
20.4%
2024: AI examples
13.5%
2025: August memo
15.4%
15.4%

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

PTAB appeals

Matched decisions: 23. Merits outcomes: 13 affirmed, 6 affirmed in part, and 4 reversed.

Full reversal rate
17.4% 4/23 decisions
Full or partial reversal rate
43.5% 10/23 decisions
Median appeal duration
17.7 months
New grounds of rejection
2
Recent decisions
DecisionApplicationOutcomeIssues
Jul. 22, 2024 11/255,161 Reversed §103
Oct. 1, 2021 14/242,953 Reversed §103
Mar. 16, 2021 12/893,384 Affirmed §103
Feb. 26, 2021 14/197,760 Affirmed in part §103 · §112
Nov. 20, 2020 13/543,044 Affirmed New ground of rejection §103 · §112
Apr. 9, 2020 13/964,408 Affirmed §101 · §103 · §112
Dec. 26, 2019 11/106,817 Affirmed in part §101 · §103
Nov. 26, 2019 13/870,760 Reversed §103
Sep. 30, 2019 13/849,181 Affirmed §101
Jun. 26, 2019 12/025,154 Affirmed §101 · §102 · §103
May. 22, 2019 12/096,040 Affirmed §101
May. 7, 2019 13/215,364 Affirmed §101 · §102

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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