Examiner Wayne A Lambert

Grant ratio: 56.0% (10th percentile in Art Unit 3745 among examiners with at least 20 applications). Average office actions per grant: 2.20. Most common rejection type: §103.

Recently active Last office action in data: July 2026
Grant ratio 56.0%
Average office actions / grant 2.20
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
90190
Primary art unit
3745
Work group
3740
Technology center
3700
Applications
550
Granted applications
308
Examiner phone
(571) 270-3516
Supervisor
Nathaniel E Wiehe
Supervisor phone
(571) 272-8648

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 95 67.5% 1.62
Group 444 57.6% 1.86
Tech Center 2,671 48.4% 2.01
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.32 1,277 office actions across 550 applications
Applications with office actions 98.7% 543 applications
Office actionsApplicationsShare of applications
No OA observed 7 1.3%
1 OA 185 33.6%
2 OAs 174 31.6%
3 OAs 78 14.2%
4 OAs 61 11.1%
5+ OAs 45 8.2%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2013: 57.9% 2013 2014: 56.9% 2014 2015: 56.1% 2015 2016: 56.8% 2016 2017: 41.0% 2017 2018: 57.5% 2018 2019: 55.8% 2019 2020: 47.7% 2020 2021: 70.2% 2021 2022: 83.8% 2022 2023: 85.3% 2023 2024: 62.8% 2024 2025: 50.0% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2013191157.9%
2014653756.9%
2015412356.1%
2016372156.8%
2017391641.0%
2018402357.5%
2019432455.8%
2020442147.7%
2021473370.2%
2022373183.8%
2023342985.3%
2024432762.8%
2025241250.0%
20263700.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 543 0.9% 4.2% 83.2% 8.8%
Action 2 358 0.3% 3.6% 88.8% 5.9%
Action 3 184 0.0% 2.2% 92.9% 3.8%
Action 4 106 0.0% 1.9% 94.3% 3.8%
Action 5 45 0.0% 0.0% 95.6% 2.2%
Action 6 26 0.0% 0.0% 100.0% 0.0%
Action 7 10 0.0% 0.0% 90.0% 10.0%
Action 8 2 0.0% 0.0% 100.0% 0.0%
Action 9 2 0.0% 0.0% 50.0% 50.0%
Action 10 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.5% 1 of 211 office actions
All years 0.5% 6 of 1,277 office actions
Change +0.0 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%
2014: Alice
0.8%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
1.1%
4.7%
1.3%
2024: AI examples
0.0%
2025: August memo
0.0%
0.0%

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

PTAB appeals

Matched decisions: 21. Merits outcomes: 10 affirmed, 3 affirmed in part, and 8 reversed.

Full reversal rate
38.1% 8/21 decisions
Full or partial reversal rate
52.4% 11/21 decisions
Median appeal duration
9.2 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jul. 5, 2022 15/653,892 Reversed §103
Feb. 11, 2022 16/122,373 Affirmed §103
Jan. 4, 2022 14/403,003 Reversed §103 · §112
Aug. 3, 2021 15/340,804 Affirmed in part §103
Jul. 20, 2021 14/671,098 Affirmed §103
Jun. 1, 2021 14/917,293 Reversed §103
Feb. 5, 2021 14/498,169 Affirmed §102 · §103
Aug. 28, 2020 14/042,323 Affirmed §103 · §112
Aug. 25, 2020 14/833,936 Reversed §103
Jul. 13, 2020 14/682,207 Affirmed §102 · §103
Apr. 24, 2020 14/707,409 Affirmed §103
Sep. 27, 2019 13/532,713 Affirmed in part §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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