AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Constantine Hannaher

Appears inactive Last observed office action: August 2025 (10 months ago).

Examiner Constantine Hannaher appears to be about average relative to their peer examiners. Their lifetime grant ratio is 15.0%, they average 1.00 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 About Average
Average OA / Grant 1.00
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Examiner Details

Observed Examiner Years
15 years (2011-2025)
Tech Center
2800 - Semiconductors, Electrical and Optical Systems and Components
Group
2880 - Optics / Photocopying

Metrics

Applications Evaluated
20
Granted Applications
3
Non-Granted Applications
17
Avg OA / Grant
1.00
Last OA Observed
August 2025 (10 months ago)
Art Units Seen
2884
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 15.0% 1.00
Art Unit 42 69.2% 1.63
Group 164 65.8% 1.71
Tech Center 2,370 64.7% 1.69
USPTO 16,116 54.8% 1.98

Grant Timeline

0.0% 25.0% 50.0% 75.0% 100.0% 2011 2013 2015 2018 2019 2021 2025
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 2011; examiner may not yet have been active in the available dataset.
2011 1 0 0.0%
No observed data for 2012.
2013 1 0 0.0%
No observed data for 2014.
2015 8 0 0.0%
No observed data for 2016-2017.
2018 1 1 100.0%
2019 1 1 100.0%
No observed data for 2020.
2021 4 0 0.0%
No observed data for 2022-2024.
2025 4 1 25.0%
No observed data after 2025; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 20 5.0% 10.0% 75.0% 10.0%
2 6 0.0% 0.0% 83.3% 0.0%
3 3 0.0% 33.3% 66.7% 0.0%
4 3 0.0% 0.0% 100.0% 0.0%
5 2 0.0% 0.0% 100.0% 0.0%
6 2 0.0% 0.0% 100.0% 0.0%
7 2 0.0% 0.0% 100.0% 0.0%
8 1 0.0% 0.0% 100.0% 0.0%
9 1 0.0% 0.0% 100.0% 0.0%
10 1 0.0% 0.0% 100.0% 0.0%

§ 101 Yearly Trend

2014: Alice
2019: PEG
2024: AI Examples
0.0%
2009
0.0%
2010
0.0%
2011
0.0%
2012
0.0%
2013
0.0%
2014
0.0%
2015
0.0%
2018
0.0%
2019
0.0%
2021
25.0%
2025

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