AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Stacey Nee Macfarlane

Examiner Stacey Nee Macfarlane appears to be about average relative to their peer examiners. Their lifetime grant ratio is 49.1%, they average 2.38 office actions per granted patent, and their rejection profile leans toward §103, with occasional §101 rejections and elevated §112 usage.

Difficulty vs AU About Average
Difficulty vs Group About Average
Difficulty vs TC About Average
Difficulty vs USPTO Very Hard
Average OA / Grant 2.38
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Examiner Details

Observed Examiner Years
19 years (2008-2026)
Phone
(571) 270-3057
Predicted Supervisor
Jeffrey Stucker
Supervisor Phone
(571) 272-0911
Tech Center
1600 - Biotechnology and Organic
Group
1640 - Immunology

Metrics

Applications Evaluated
854
Granted Applications
419
Non-Granted Applications
435
Avg OA / Grant
2.38
Last OA Observed
March 2026 (0 months ago)
Art Units Seen
1649 , 1675
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 49.1% 2.38
Art Unit 17 41.7% 2.09
Group 223 44.8% 1.94
Tech Center 1,349 39.5% 2.02
USPTO 16,116 54.8% 1.98

Grant Timeline

0.0% 25.0% 50.0% 75.0% 100.0% 2008 2009 2010 2011 2012 2013 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 2008; examiner may not yet have been active in the available dataset.
2008 41 9 22.0%
2009 63 32 50.8%
2010 52 22 42.3%
2011 45 21 46.7%
2012 47 26 55.3%
2013 34 24 70.6%
2014 55 24 43.6%
2015 42 19 45.2%
2016 43 26 60.5%
2017 54 36 66.7%
2018 49 20 40.8%
2019 48 30 62.5%
2020 50 28 56.0%
2021 39 30 76.9%
2022 35 17 48.6%
2023 31 21 67.7%
2024 46 22 47.8%
2025 55 12 21.8%
2026 25 0 0.0%

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

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 847 2.4% 20.4% 32.1% 20.0%
2 556 3.2% 16.7% 36.9% 21.9%
3 251 4.4% 11.6% 48.6% 19.9%
4 137 7.3% 7.3% 47.4% 21.2%
5 68 8.8% 11.8% 52.9% 13.2%
6 41 9.8% 9.8% 43.9% 17.1%
7 26 3.8% 11.5% 53.8% 11.5%
8 15 6.7% 6.7% 60.0% 13.3%
9 11 18.2% 27.3% 36.4% 9.1%
10 7 14.3% 0.0% 57.1% 28.6%

§ 101 Yearly Trend

2014: Alice
2019: PEG
2024: AI Examples
2025: Aug. Memo
1.6%
2008
0.7%
2009
0.0%
2010
0.0%
2011
0.9%
2012
2.8%
2013
7.5%
2014
11.7%
2015
5.5%
2016
6.5%
2017
6.0%
2018
4.2%
2019
0.9%
2020
7.1%
2021
7.9%
2022
5.0%
2023
1.3%
2024
0.0%
2025
12.0%
2026

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