Examiner Stephen Rosasco

Appears inactive Last observed office action: March 2018 (98 months ago).

Examiner Stephen Rosasco appears to be very easy relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 89.4%, they average 1.13 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Easy

Difficulty vs Group Very Easy

Difficulty vs TC Very Easy

Difficulty vs USPTO Very Easy

Average OA / Grant 1.13

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Examiner Details

Observed Examiner Years: 11 years (2008-2018)
Tech Center: 1700 - Chemical and Materials Engineering
Group: 1720 - Fuel Cells, Batteries, Solar Cells, Liquid Crystal Composition

Metrics

Applications Evaluated: 536
Granted Applications: 479
Non-Granted Applications: 57
Avg OA / Grant: 1.13
Last OA Observed: March 2018 (98 months ago)
Art Units Seen: 1721 , 1795
Work Groups Seen: 1720 - Fuel Cells, Batteries, Solar Cells, Liquid Crystal Composition

1790 - Food, Analytical Chemistry, Sterilization, Biochemistry, Electrochemistry

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	89.4%	1.13
Art Unit	37	50.6%	2.15
Group	253	48.9%	2.20
Tech Center	1,713	47.3%	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	46	35	76.1%
2009	75	67	89.3%
2010	62	51	82.3%
2011	72	61	84.7%
2012	59	54	91.5%
2013	54	50	92.6%
2014	54	53	98.1%
2015	45	42	93.3%
2016	35	33	94.3%
2017	27	26	96.3%
2018	7	7	100.0%
No observed data after 2018; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	536	2.4%	13.6%	80.8%	0.4%
2	59	3.4%	10.2%	83.1%	1.7%
3	13	0.0%	0.0%	100.0%	0.0%
4	4	0.0%	0.0%	100.0%	0.0%

§ 101 Yearly Trend

2014: Alice

5.0%

2008

0.0%

2009

2.9%

2010

3.6%

2011

2.9%

2012

0.0%

2013

7.3%

2014

0.0%

2015

0.0%

2016

3.2%

2017

0.0%

2018

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