Examiner Tom Y Chang

Appears inactive Last observed office action: January 2015 (134 months ago).

Examiner Tom Y Chang 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

Export

Word PDF

Create account to export.

Examiner Details

Observed Examiner Years: 1 years (2015-2015)
Tech Center: 2400 - Computer Networks, Multiplex, Cable and Cryptography/Security
Group: 2450 - Computer Networks

Metrics

Applications Evaluated: 3
Granted Applications: 0
Non-Granted Applications: 3
Avg OA / Grant: N/A
Last OA Observed: January 2015 (134 months ago)
Art Units Seen: 2451
Work Groups Seen: 2450 - Computer Networks

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	0.0%	N/A
Art Unit	20	59.3%	2.26
Group	208	59.3%	2.41
Tech Center	1,727	60.4%	2.14
USPTO	16,116	54.8%	1.98

Grant Timeline

Year	Applications	Granted	Grant Rate
No observed data before 2015; examiner may not yet have been active in the available dataset.
2015	3	0	0.0%
No observed data after 2015; 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	3	0.0%	33.3%	66.7%	0.0%