Examiner Eric C. Wai

Grant ratio: 76.5% (57th percentile in Art Unit 2195 among examiners with at least 20 applications). Average office actions per grant: 2.04. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 76.5%
Average office actions / grant 2.04
Compared with Art unit About average
Compared with Work group About average
Compared with Technology center Very easy
Compared with USPTO About average

Examiner record

Examiner ID
82218
Primary art unit
2195
Work group
2190
Technology center
2100
Applications
680
Granted applications
520
Examiner phone
(571) 270-1012
Supervisor
Aimee Li
Supervisor phone
(571) 272-4169

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 35 54.5% 2.03
Group 238 52.6% 2.03
Tech Center 1,781 52.8% 2.19
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.06 1,400 office actions across 680 applications
Applications with office actions 99.7% 678 applications
Office actionsApplicationsShare of applications
No OA observed 2 0.3%
1 OA 306 45.0%
2 OAs 185 27.2%
3 OAs 90 13.2%
4 OAs 57 8.4%
5+ OAs 40 5.9%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 52.2% 2008 2009: 60.4% 2009 2010: 69.6% 2010 2011: 77.4% 2011 2012: 80.0% 2012 2013: 70.8% 2013 2014: 80.9% 2014 2015: 89.7% 2015 2016: 75.6% 2016 2017: 83.8% 2017 2018: 76.2% 2018 2019: 86.1% 2019 2020: 91.9% 2020 2021: 88.2% 2021 2022: 90.0% 2022 2023: 96.2% 2023 2024: 95.1% 2024 2025: 68.6% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008231252.2%
2009482960.4%
2010231669.6%
2011312477.4%
2012252080.0%
2013241770.8%
2014473880.9%
2015393589.7%
2016413175.6%
2017373183.8%
2018423276.2%
2019363186.1%
2020373491.9%
2021343088.2%
2022302790.0%
2023525096.2%
2024413995.1%
2025352468.6%
20263500.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 678 4.3% 8.0% 81.4% 2.5%
Action 2 372 0.8% 3.0% 92.5% 1.1%
Action 3 187 0.5% 0.5% 96.8% 1.6%
Action 4 97 0.0% 0.0% 96.9% 1.0%
Action 5 40 0.0% 0.0% 97.5% 2.5%
Action 6 16 0.0% 0.0% 100.0% 0.0%
Action 7 8 0.0% 0.0% 100.0% 0.0%
Action 8 2 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 13.0% 24 of 185 office actions
All years 2.4% 33 of 1,400 office actions
Change +10.6 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%
1.2%
0.0%
0.0%
2014: Alice
0.0%
1.4%
1.2%
1.1%
0.0%
2019: PEG
0.0%
0.0%
1.8%
2.1%
8.1%
2024: AI examples
20.3%
2025: August memo
10.0%
8.9%

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

PTAB appeals

Matched decisions: 7. Merits outcomes: 5 affirmed, 0 affirmed in part, and 2 reversed.

Full reversal rate
28.6% 2/7 decisions
Full or partial reversal rate
28.6% 2/7 decisions
Median appeal duration
24.4 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jun. 2, 2022 15/234,199 Reversed §103
Sep. 15, 2020 14/178,344 Affirmed §101 · §103 · §112
Jan. 29, 2016 11/183,697 Affirmed §103
Aug. 12, 2013 10/768,303 Affirmed §103
Aug. 13, 2012 10/431,556 Affirmed §102 · §103
Mar. 7, 2012 10/750,589 Reversed §103
Feb. 14, 2011 10/443,079 Affirmed §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.

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