Examiner Michael Chao

Appears inactive Last observed office action: November 2023 (31 months ago).

Examiner Michael Chao appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 0.0% and their rejection profile is dominated by §103.

Difficulty vs AU Very Hard

Difficulty vs Group Very Hard

Difficulty vs TC Very Hard

Difficulty vs USPTO Very Hard

Average OA / Grant N/A

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Examiner Details

Observed Examiner Years: 16 years (2008-2023)
Tech Center: 2400 - Computer Networks, Multiplex, Cable and Cryptography/Security
Group: 2490 - Cryptography and Cybersecurity

Metrics

Applications Evaluated: 38
Granted Applications: 0
Non-Granted Applications: 38
Avg OA / Grant: N/A
Last OA Observed: November 2023 (31 months ago)
Art Units Seen: 2492
Work Groups Seen: 2490 - Cryptography and Cybersecurity

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	0.0%	N/A
Art Unit	28	59.5%	2.15
Group	195	62.9%	2.06
Tech Center	1,727	60.4%	2.14
USPTO	16,116	54.8%	1.98

Grant Timeline

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	3	0	0.0%
2009	3	0	0.0%
2010	2	0	0.0%
2011	4	0	0.0%
2012	3	0	0.0%
2013	8	0	0.0%
2014	1	0	0.0%
2015	9	0	0.0%
No observed data for 2016-2020.
2021	4	0	0.0%
No observed data for 2022.
2023	1	0	0.0%
No observed data after 2023; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	35	0.0%	20.0%	80.0%	0.0%
2	15	0.0%	0.0%	100.0%	0.0%
3	9	0.0%	0.0%	100.0%	0.0%
4	7	0.0%	0.0%	100.0%	0.0%
5	3	0.0%	0.0%	100.0%	0.0%
6	2	0.0%	0.0%	100.0%	0.0%