Examiner Michael Tzeng

Appears inactive Last observed office action: August 2015 (130 months ago).

Examiner Michael Tzeng appears to be about average relative to their peer examiners. Their lifetime grant ratio is 58.1%, they average 2.89 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU About Average

Difficulty vs Group About Average

Difficulty vs TC Very Hard

Difficulty vs USPTO About Average

Average OA / Grant 2.89

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Examiner Details

Observed Examiner Years: 8 years (2008-2015)
Tech Center: 2600 - Communications
Group: 2670 - Image Analysis and Pattern Recognition

Metrics

Applications Evaluated: 129
Granted Applications: 75
Non-Granted Applications: 54
Avg OA / Grant: 2.89
Last OA Observed: August 2015 (130 months ago)
Art Units Seen: 2625 , 2674
Work Groups Seen: 2620 - Selective Visual Display Systems

2670 - Image Analysis and Pattern Recognition

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	58.1%	2.89
Art Unit	21	55.0%	1.90
Group	136	54.5%	1.79
Tech Center	1,729	59.3%	1.88
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	2	0	0.0%
2009	15	3	20.0%
2010	17	6	35.3%
2011	21	10	47.6%
2012	21	12	57.1%
2013	29	24	82.8%
2014	20	16	80.0%
2015	4	4	100.0%
No observed data after 2015; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	129	0.0%	20.2%	79.1%	0.8%
2	81	0.0%	11.1%	88.9%	0.0%
3	53	0.0%	13.2%	86.8%	0.0%
4	43	0.0%	4.7%	95.3%	0.0%
5	27	0.0%	11.1%	85.2%	0.0%
6	15	0.0%	0.0%	100.0%	0.0%
7	9	0.0%	0.0%	100.0%	0.0%
8	2	0.0%	0.0%	100.0%	0.0%
9	2	0.0%	0.0%	100.0%	0.0%