Examiner Leonard J. Weinstein

Appears inactive Last observed office action: September 2011 (177 months ago).

Examiner Leonard J. Weinstein appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 50.3%, they average 2.20 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Hard

Difficulty vs Group Very Hard

Difficulty vs TC About Average

Difficulty vs USPTO Very Hard

Average OA / Grant 2.20

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Examiner Details

Observed Examiner Years: 4 years (2008-2011)
Tech Center: 3700 - Mechanical Engineering, Manufacturing and Products
Group: 3740 - Thermal and Combustion Technology, Motive and Fluid Power Systems

Metrics

Applications Evaluated: 197
Granted Applications: 99
Non-Granted Applications: 98
Avg OA / Grant: 2.20
Last OA Observed: September 2011 (177 months ago)
Art Units Seen: 3746
Work Groups Seen: 3740 - Thermal and Combustion Technology, Motive and Fluid Power Systems

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	50.3%	2.20
Art Unit	43	50.8%	2.10
Group	447	58.2%	1.86
Tech Center	2,632	49.9%	2.01
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	61	26	42.6%
2009	57	29	50.9%
2010	60	35	58.3%
2011	19	9	47.4%
No observed data after 2011; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	197	0.0%	20.8%	64.0%	10.7%
2	125	0.0%	18.4%	68.0%	13.6%
3	46	0.0%	17.4%	67.4%	15.2%
4	24	0.0%	25.0%	45.8%	25.0%
5	8	0.0%	12.5%	50.0%	37.5%
6	3	0.0%	33.3%	33.3%	33.3%