AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Christopher J. Darner

Appears inactive Last observed office action: August 2008 (214 months ago).

Examiner Christopher J. Darner appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 20.0%, they average 2.50 office actions per granted patent, and their rejection profile is dominated by ยง103.

Difficulty vs AU Very Hard
Difficulty vs Group Very Hard
Difficulty vs TC Very Hard
Difficulty vs USPTO Very Hard
Average OA / Grant 2.50
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Examiner Details

Observed Examiner Years
2 years (2007-2008)
Tech Center
3600 - Transportation, Electronic Commerce, Construction, Agriculture, Licensing and Review
Group
3630 - Static Structures, Supports and Furniture

Metrics

Applications Evaluated
10
Granted Applications
2
Non-Granted Applications
8
Avg OA / Grant
2.50
Last OA Observed
August 2008 (214 months ago)
Art Units Seen
3633
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 20.0% 2.50
Art Unit 21 56.6% 1.88
Group 175 54.3% 1.79
Tech Center 2,337 48.0% 2.11
USPTO 16,116 54.8% 1.98

Grant Timeline

0.0% 25.0% 50.0% 75.0% 100.0% 2007 2008
Shaded region marks the last two observed years, where grant outcomes may lag due to recency.
Year Applications Granted Grant Rate
2007 5 0 0.0%
2008 5 2 40.0%
No observed data after 2008; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 10 0.0% 10.0% 90.0% 0.0%
2 2 0.0% 0.0% 100.0% 0.0%
3 1 0.0% 0.0% 100.0% 0.0%