Examiner Chi-Feng Hsu

Appears inactive Last observed office action: January 2015 (137 months ago).

Examiner Chi-Feng Hsu appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 26.2%, they average 2.25 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU About Average

Difficulty vs Group Very Hard

Difficulty vs TC Very Hard

Difficulty vs USPTO Very Hard

Average OA / Grant 2.25

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Examiner Details

Observed Examiner Years: 4 years (2012-2015)
Tech Center: 1600 - Biotechnology and Organic
Group: 1630 - Stem Cells and Nucleic Acid Related Therapy

Metrics

Applications Evaluated: 61
Granted Applications: 16
Non-Granted Applications: 45
Avg OA / Grant: 2.25
Last OA Observed: January 2015 (137 months ago)
Art Units Seen: 1632
Work Groups Seen: 1630 - Stem Cells and Nucleic Acid Related Therapy

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	26.2%	2.25
Art Unit	28	32.0%	2.33
Group	243	38.4%	2.18
Tech Center	1,349	39.5%	2.02
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 2012; examiner may not yet have been active in the available dataset.
2012	7	3	42.9%
2013	28	7	25.0%
2014	24	6	25.0%
2015	2	0	0.0%
No observed data after 2015; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	61	0.0%	9.8%	70.5%	8.2%
2	45	0.0%	15.6%	57.8%	8.9%
3	17	0.0%	11.8%	47.1%	0.0%
4	7	0.0%	0.0%	71.4%	14.3%
5	5	0.0%	20.0%	60.0%	0.0%
6	2	0.0%	0.0%	100.0%	0.0%
7	2	0.0%	0.0%	0.0%	0.0%