AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Patricia L Engle

Examiner Patricia L Engle appears to be very easy relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 62.9%, they average 1.62 office actions per granted patent, and their rejection profile is dominated by ยง103.

Difficulty vs AU About Average
Difficulty vs Group Very Easy
Difficulty vs TC Very Easy
Difficulty vs USPTO Very Easy
Average OA / Grant 1.62
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Examiner Details

Observed Examiner Years
18 years (2009-2026)
Phone
(571) 272-6660
Predicted Supervisor
Eileen Lillis
Supervisor Phone
(571) 272-6928
Tech Center
3900 - Reexam and Abandonment
Group
3990 - 3990

Metrics

Applications Evaluated
224
Granted Applications
141
Non-Granted Applications
83
Avg OA / Grant
1.62
Last OA Observed
February 2026 (1 months ago)
Art Units Seen
3612 , 3991 , 3993
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 62.9% 1.62
Art Unit 17 63.0% 2.26
Group 70 57.3% 2.28
Tech Center 67 56.8% 2.31
USPTO 16,116 54.8% 1.98

Grant Timeline

0.0% 25.0% 50.0% 75.0% 100.0% 2009 2010 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Shaded region marks the last two observed years, where grant outcomes may lag due to recency.
Year Applications Granted Grant Rate
No observed data before 2009; examiner may not yet have been active in the available dataset.
2009 63 41 65.1%
2010 27 22 81.5%
No observed data for 2011-2013.
2014 9 6 66.7%
2015 9 4 44.4%
2016 11 5 45.5%
2017 14 9 64.3%
2018 16 12 75.0%
2019 4 2 50.0%
2020 10 6 60.0%
2021 8 5 62.5%
2022 15 9 60.0%
2023 17 12 70.6%
2024 8 4 50.0%
2025 9 4 44.4%
2026 4 0 0.0%

141 family-cache-validated grants; 0 OA-only grant signals.

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 225 1.3% 7.6% 67.6% 6.7%
2 92 0.0% 6.5% 57.6% 13.0%
3 35 0.0% 2.9% 57.1% 8.6%
4 16 0.0% 6.3% 50.0% 12.5%
5 10 0.0% 10.0% 50.0% 20.0%
6 7 0.0% 14.3% 57.1% 14.3%
7 2 0.0% 0.0% 0.0% 0.0%

§ 101 Yearly Trend

2014: Alice
2019: PEG
2024: AI Examples
2025: Aug. Memo
3.3%
2009
0.0%
2010
0.0%
2011
0.0%
2013
0.0%
2014
0.0%
2015
0.0%
2016
0.0%
2017
0.0%
2018
0.0%
2019
0.0%
2020
0.0%
2021
0.0%
2022
0.0%
2023
0.0%
2024
0.0%
2025
0.0%
2026

Each bar shows the share of this examiner's observed office actions in that year that included a § 101 rejection.