Examiner David Kaufman

Appears inactive Last observed office action: August 2013 (152 months ago).

Examiner David Kaufman appears to be about average relative to their peer examiners. Their lifetime grant ratio is 48.1%, they average 2.03 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Hard

Difficulty vs Group About Average

Difficulty vs TC Very Easy

Difficulty vs USPTO Very Hard

Average OA / Grant 2.03

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Examiner Details

Observed Examiner Years: 3 years (2011-2013)
Tech Center: 1700 - Chemical and Materials Engineering
Group: 1710 - Coating, Etching, Cleaning, Single Crystal Growth

Metrics

Applications Evaluated: 77
Granted Applications: 37
Non-Granted Applications: 40
Avg OA / Grant: 2.03
Last OA Observed: August 2013 (152 months ago)
Art Units Seen: 1713
Work Groups Seen: 1710 - Coating, Etching, Cleaning, Single Crystal Growth

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	48.1%	2.03
Art Unit	20	61.2%	1.92
Group	154	50.2%	2.19
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 2011; examiner may not yet have been active in the available dataset.
2011	24	6	25.0%
2012	36	21	58.3%
2013	17	10	58.8%
No observed data after 2013; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	77	0.0%	3.9%	93.5%	1.3%
2	49	2.0%	4.1%	89.8%	2.0%
3	15	0.0%	0.0%	100.0%	0.0%
4	7	0.0%	0.0%	100.0%	0.0%

§ 101 Yearly Trend

0.0%

2010

0.0%

2011

0.0%

2012

5.6%

2013

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