Examiner Mitchell Siegel

Appears inactive Last observed office action: December 2024 (15 months ago).

Examiner Mitchell Siegel appears to be very easy relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 97.6%, they average 1.12 office actions per granted patent, and their rejection profile leans toward §112 and elevated §112 usage.

Difficulty vs AU Very Easy

Difficulty vs Group Very Easy

Difficulty vs TC Very Easy

Difficulty vs USPTO Very Easy

Average OA / Grant 1.12

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Examiner Details

Observed Examiner Years: 17 years (2008-2024)
Tech Center: 2900 - Designs
Group: 2900-WG - 2900-WG

Metrics

Applications Evaluated: 844
Granted Applications: 824
Non-Granted Applications: 20
Avg OA / Grant: 1.12
Last OA Observed: December 2024 (15 months ago)
Art Units Seen: 2912
Work Groups Seen: 2900-WG - 2900-WG

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	97.6%	1.12
Art Unit	34	96.4%	1.20
Group	461	95.1%	1.19
Tech Center	486	94.9%	1.20
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	87	82	94.3%
2009	56	54	96.4%
2010	29	29	100.0%
2011	39	39	100.0%
2012	59	59	100.0%
2013	66	64	97.0%
2014	43	41	95.3%
2015	43	41	95.3%
2016	37	34	91.9%
2017	33	33	100.0%
2018	41	40	97.6%
2019	90	90	100.0%
2020	48	48	100.0%
2021	37	37	100.0%
2022	48	48	100.0%
2023	50	47	94.0%
2024	38	38	100.0%
No observed data after 2024; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	844	0.0%	0.9%	2.6%	46.4%
2	97	0.0%	0.0%	6.2%	71.1%
3	9	0.0%	0.0%	0.0%	77.8%
4	2	0.0%	0.0%	0.0%	50.0%