Examiner David Cathey Jr

Appears inactive Last observed office action: June 2018 (94 months ago).

Examiner David Cathey Jr appears to be about average relative to their peer examiners. Their lifetime grant ratio is 58.1%, they average 2.09 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Hard

Difficulty vs Group Very Easy

Difficulty vs TC Very Easy

Difficulty vs USPTO About Average

Average OA / Grant 2.09

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Examiner Details

Observed Examiner Years: 9 years (2010-2018)
Tech Center: 1700 - Chemical and Materials Engineering
Group: 1710 - Coating, Etching, Cleaning, Single Crystal Growth

Metrics

Applications Evaluated: 229
Granted Applications: 133
Non-Granted Applications: 96
Avg OA / Grant: 2.09
Last OA Observed: June 2018 (94 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	58.1%	2.09
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 2010; examiner may not yet have been active in the available dataset.
2010	2	0	0.0%
2011	34	19	55.9%
2012	50	24	48.0%
2013	28	14	50.0%
2014	43	29	67.4%
2015	16	12	75.0%
2016	38	23	60.5%
2017	12	8	66.7%
2018	6	4	66.7%
No observed data after 2018; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	242	0.0%	8.7%	86.4%	3.3%
2	177	0.0%	5.6%	86.4%	7.3%
3	59	0.0%	5.1%	91.5%	3.4%
4	33	0.0%	3.0%	93.9%	3.0%
5	8	0.0%	0.0%	87.5%	12.5%
6	4	0.0%	0.0%	100.0%	0.0%
7	2	0.0%	0.0%	100.0%	0.0%
8	1	0.0%	0.0%	100.0%	0.0%