Examiner Michael R. Ballinger

Appears inactive Last observed office action: June 2014 (143 months ago).

Examiner Michael R. Ballinger appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 33.9%, they average 2.47 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 Very Hard

Difficulty vs USPTO Very Hard

Average OA / Grant 2.47

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Examiner Details

Observed Examiner Years: 7 years (2008-2014)
Tech Center: 3700 - Mechanical Engineering, Manufacturing and Products
Group: 3770 - Medical and Surgical Instruments, Treatment Devices, and Supplies

Metrics

Applications Evaluated: 230
Granted Applications: 78
Non-Granted Applications: 152
Avg OA / Grant: 2.47
Last OA Observed: June 2014 (143 months ago)
Art Units Seen: 3732 , 3776
Work Groups Seen: 3730 - Sheet Container Making, Package Making, Apparel, and Tool Driving

3770 - Medical and Surgical Instruments, Treatment Devices, and Supplies

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	33.9%	2.47
Art Unit	10	42.7%	2.02
Group	269	49.9%	2.08
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	7	1	14.3%
2009	59	18	30.5%
2010	41	17	41.5%
2011	39	13	33.3%
2012	40	13	32.5%
2013	43	15	34.9%
2014	1	1	100.0%
No observed data after 2014; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	230	0.0%	7.4%	77.8%	3.5%
2	141	0.0%	9.9%	78.0%	5.0%
3	66	0.0%	9.1%	80.3%	6.1%
4	35	0.0%	2.9%	80.0%	8.6%
5	15	0.0%	0.0%	100.0%	0.0%
6	11	0.0%	0.0%	81.8%	9.1%
7	8	0.0%	25.0%	75.0%	0.0%
8	2	0.0%	0.0%	100.0%	0.0%