Prosecution Insights
Last updated: October 02, 2026

Examiner: MITCHELL, JOEL F

Tech Center 3600 • Art Units: 3671

This examiner grants 61% of resolved cases

Analysis

Joel F. Mitchell is an examiner in Tech Center 3600, specifically within Art Unit 3671. He has 617 resolved cases, which establishes a clear statistical profile. His allowance rate is 60.9 percent, showing that a majority of applications are granted under his supervision.

The interview lift for this examiner is 16.3 percent. This metric indicates that interviews provide a moderate benefit, increasing the probability of allowance compared to the 60.9 percent baseline. Practitioners in Art Unit 3671 should evaluate the potential for an interview to resolve specific rejections.

The median days to allowance is 1186. This figure offers a predictable timeline for the prosecution of successful applications. With 617 resolved cases as a reference, the 16.3 percent interview lift and the 60.9 percent allowance rate provide a balanced view of the examiner's historical performance.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

61.1%
Allow Rate
+9.1% vs TC avg
648
Total Applications
+17.0%
Interview Lift
1187
Avg Prosecution Days
Based on 619 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
25.2%
§102 Novelty
42.4%
§103 Obviousness
29.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17387132 FRAME ADJUSTMENT CONTROL SYSTEM AND METHOD FOR POSITION Final Rejection Deere & Company
18933251 WING SHROUD FOR BUCKET LIP AND BUCKET LIP ASSEMBLY USING SAME Non-Final OA Caterpillar Inc.
18807314 ROW CLEANER ARRANGEMENT FOR ROW UNITS OF AN AGRICULTURAL IMPLEMENT Non-Final OA CNH Industrial America LLC
18769651 REAR FOLDING AGRICULTURAL IMPLEMENT AND RELATED SYSTEMS AND METHODS Non-Final OA CNH Industrial America LLC
18681842 POSITION CONTROL OF A SEGMENTED AGRICULTURAL WORK ASSEMBLY Non-Final OA CNH Industrial America LLC
17900112 DISC BLADE ANGLE ADJUSTMENT ASSEMBLY FOR A TILLAGE IMPLEMENT Non-Final OA CNH Industrial America LLC
18807797 ZONE GROUND FORCE SYSTEM FOR AGRICULTURAL IMPLEMENT Non-Final OA MACDON INDUSTRIES LTD.

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