Examiner Michael Stuart Poetzinger

Appears inactive Last observed office action: August 2021 (55 months ago).

Examiner Michael Stuart Poetzinger appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 43.4%, they average 2.33 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU About Average

Difficulty vs Group Very Hard

Difficulty vs TC Very Hard

Difficulty vs USPTO Very Hard

Average OA / Grant 2.33

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Examiner Details

Observed Examiner Years: 4 years (2018-2021)
Tech Center: 3700 - Mechanical Engineering, Manufacturing and Products
Group: 3760 - Refrigeration, Vaporization, Ventilation, and Combustion

Metrics

Applications Evaluated: 76
Granted Applications: 33
Non-Granted Applications: 43
Avg OA / Grant: 2.33
Last OA Observed: August 2021 (55 months ago)
Art Units Seen: 3761
Work Groups Seen: 3760 - Refrigeration, Vaporization, Ventilation, and Combustion

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	43.4%	2.33
Art Unit	80	40.8%	2.17
Group	377	50.6%	2.11
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 2018; examiner may not yet have been active in the available dataset.
2018	2	1	50.0%
2019	30	9	30.0%
2020	33	17	51.5%
2021	11	6	54.5%
No observed data after 2021; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	79	0.0%	3.8%	93.7%	2.5%
2	52	0.0%	1.9%	96.2%	1.9%
3	26	0.0%	0.0%	88.5%	7.7%
4	16	0.0%	0.0%	100.0%	0.0%
5	5	0.0%	0.0%	80.0%	20.0%
6	1	0.0%	0.0%	100.0%	0.0%