AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Julian Chang

Appears inactive Last observed office action: August 2022 (44 months ago).

Examiner Julian Chang appears to be about average relative to their peer examiners. Their lifetime grant ratio is 67.5%, they average 2.85 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 2.85
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Examiner Details

Observed Examiner Years
15 years (2008-2022)
Tech Center
2400 - Computer Networks, Multiplex, Cable and Cryptography/Security
Group
2450 - Computer Networks

Metrics

Applications Evaluated
375
Granted Applications
253
Non-Granted Applications
122
Avg OA / Grant
2.85
Last OA Observed
August 2022 (44 months ago)
Art Units Seen
2152 , 2452 , 2454 , 2455
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 67.5% 2.85
Art Unit 25 51.1% 2.33
Group 208 59.3% 2.41
Tech Center 1,727 60.4% 2.14
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
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 15 4 26.7%
2009 29 11 37.9%
2010 22 12 54.5%
2011 22 14 63.6%
2012 20 19 95.0%
2013 34 24 70.6%
2014 33 27 81.8%
2015 29 19 65.5%
2016 28 20 71.4%
2017 18 9 50.0%
2018 28 20 71.4%
2019 13 10 76.9%
2020 29 18 62.1%
2021 31 24 77.4%
2022 24 22 91.7%
No observed data after 2022; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 379 1.3% 3.2% 81.0% 2.1%
2 260 2.3% 1.9% 83.1% 5.4%
3 173 0.0% 0.6% 89.0% 2.3%
4 114 1.8% 1.8% 88.6% 2.6%
5 67 0.0% 0.0% 91.0% 3.0%
6 41 0.0% 0.0% 85.4% 4.9%
7 25 0.0% 4.0% 76.0% 4.0%
8 17 0.0% 0.0% 70.6% 0.0%
9 8 0.0% 0.0% 75.0% 0.0%
10 3 0.0% 0.0% 100.0% 0.0%

§ 101 Yearly Trend

2014: Alice
2019: PEG
1.2%
2008
0.0%
2009
1.0%
2010
1.2%
2011
2.4%
2012
4.3%
2013
0.0%
2014
3.1%
2015
1.5%
2016
1.2%
2017
0.0%
2018
0.0%
2019
0.0%
2020
0.0%
2021
0.0%
2022

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