AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Kristina Deherrera

Potentially inactive Last observed office action: February 2026 (6 months ago).

Examiner Kristina Deherrera appears to be about average relative to their peer examiners. Their lifetime grant ratio is 72.8%, they average 1.94 office actions per granted patent, and their rejection profile is dominated by ยง103.

Difficulty vs AU About Average
Difficulty vs Group About Average
Difficulty vs TC About Average
Difficulty vs USPTO Very Easy
Average OA / Grant 1.94
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Examiner Details

Observed Examiner Years
13 years (2014-2026)
Tech Center
2800 - Semiconductors, Electrical and Optical Systems and Components
Group
2870 - Optics / Photocopying

Metrics

Applications Evaluated
400
Granted Applications
291
Non-Granted Applications
109
Avg OA / Grant
1.94
Last OA Observed
February 2026 (6 months ago)
Art Units Seen
2855 , 2872
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 72.8% 1.94
Art Unit 102 62.6% 1.70
Group 348 62.2% 1.71
Tech Center 2,395 63.3% 1.69
USPTO 16,347 53.5% 1.98

Grant Timeline

0.0% 25.0% 50.0% 75.0% 100.0% 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 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 2014; examiner may not yet have been active in the available dataset.
2014 10 4 40.0%
2015 35 16 45.7%
2016 62 47 75.8%
2017 43 27 62.8%
2018 74 57 77.0%
2019 38 31 81.6%
2020 54 44 81.5%
2021 59 52 88.1%
2022 18 10 55.6%
2023 4 3 75.0%
No observed data for 2024.
2025 2 0 0.0%
2026 1 0 0.0%

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

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 401 0.2% 36.2% 57.4% 0.5%
2 211 0.0% 19.4% 76.3% 3.8%
3 91 0.0% 17.6% 81.3% 0.0%
4 43 0.0% 14.0% 81.4% 2.3%
5 19 0.0% 5.3% 94.7% 0.0%
6 9 0.0% 11.1% 88.9% 0.0%
7 5 0.0% 0.0% 80.0% 20.0%

§ 101 Yearly Trend

2014: Alice
2019: PEG
2024: AI Examples
2025: Aug. Memo
0.0%
2009
0.0%
2014
0.0%
2015
0.0%
2016
0.0%
2017
0.0%
2018
0.0%
2019
1.0%
2020
0.0%
2021
0.0%
2022
0.0%
2023
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.