Examiner Peter R. Haderlein

Appears inactive Last observed office action: December 2015 (123 months ago).

Examiner Peter R. Haderlein appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 5.4%, they average 2.67 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 2.67

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Examiner Details

Observed Examiner Years: 8 years (2008-2015)
Tech Center: 2800 - Semiconductors, Electrical and Optical Systems and Components
Group: 2870 - Optics / Photocopying

Metrics

Applications Evaluated: 56
Granted Applications: 3
Non-Granted Applications: 53
Avg OA / Grant: 2.67
Last OA Observed: December 2015 (123 months ago)
Art Units Seen: 2861 , 2879
Work Groups Seen: 2860 - Printing / Measuring and Testing

2870 - Optics / Photocopying

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	5.4%	2.67
Art Unit	17	64.9%	1.76
Group	346	63.2%	1.71
Tech Center	2,370	64.7%	1.69
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	3	1	33.3%
2009	2	0	0.0%
2010	13	0	0.0%
2011	10	0	0.0%
2012	3	0	0.0%
2013	1	0	0.0%
2014	3	1	33.3%
2015	21	1	4.8%
No observed data after 2015; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	56	0.0%	16.1%	80.4%	3.6%
2	38	0.0%	15.8%	84.2%	0.0%
3	10	0.0%	20.0%	80.0%	0.0%
4	4	0.0%	25.0%	50.0%	25.0%
5	2	0.0%	50.0%	50.0%	0.0%