Prosecution Insights
Last updated: April 19, 2026

Examiner: TSUI, ALFRED H

Tech Center 3600 • Art Units: 3621 3626 3671 3681 3685

This examiner grants 29% of resolved cases

Performance Statistics

28.9%
Allow Rate
-23.1% vs TC avg
235
Total Applications
+35.2%
Interview Lift
2062
Avg Prosecution Days
Based on 187 resolved cases, 2023–2026

Rejection Statute Breakdown

30.9%
§101 Eligibility
10.7%
§102 Novelty
44.0%
§103 Obviousness
12.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18436386 PLANTER FLEXION IDENTIFICATION Non-Final OA DEERE & COMPANY
18540559 SNOW WING LINKAGE Non-Final OA Caterpillar Inc.
18164592 THREE-POINT HITCH HOOK UP ASSIST SYSTEM Non-Final OA Caterpillar Inc.
18494916 SYSTEM AND METHOD FOR DETECTING BENT SHAFTS OF DISK GANG ASSEMBLIES OF AN AGRICULTURAL IMPLEMENT Non-Final OA CNH Industrial America LLC
18494929 SYSTEM AND METHOD FOR MONITORING PLUGGING OF BASKET ASSEMBLIES OF AN AGRICULTURAL IMPLEMENT Non-Final OA CNH Industrial America LLC
18008243 WORK MACHINE Final Rejection KOMATSU LTD.
18376036 WORKING VEHICLE Non-Final OA TAKEUCHI MFG. CO., LTD.
18528161 360 PLANT IMAGE CAPTURING SYSTEM AND RELATED METHODS Non-Final OA SOUTH DAKOTA BOARD OF REGENTS
18528552 PIVOTING ROBOTIC PLANTER Non-Final OA NUtech Ventures
18041786 Construction Machine Final Rejection JDC Corporation
18567135 PIN FOR COUPLING BETWEEN A WEAR ELEMENT AND A SUPPORT OF AN EARTH-MOVING MACHINE AND COUPLING SYSTEM Non-Final OA METALOGENIA RESEARCH & TECHNOLOGIES S.L.
18326595 STABLE OPERATION OF A DISC TILLAGE TOOL AT HIGH OPERATIONAL SPEEDS Final Rejection KUHN KRAUSE, INC.
18569966 AGRICULTURAL MACHINE COMPRISING A SUCKER-REMOVING DEVICE ADAPTED TO REMOVE SUCKERS FROM A VEGETABLE PLANT Non-Final OA Spolgreen SRL
18263012 AUTONOMOUS AGRICULTURAL CARRIER VEHICLE AND AUTONOMOUS AGRICULTURAL MACHINE Final Rejection Horsch Maschinen GmbH
18035897 TILT BUCKET ASSEMBLY FOR AN EXCAVATOR Final Rejection AMI Attachments Inc.
18251001 GROUND-ENGAGING APPARATUS AND METHOD FOR CONFIGURING THE SAME Non-Final OA TINA TANN A/S
18159401 GRADER Non-Final OA WINDHAM INDUSTRIES, INC.
18078427 SUBMERSIBLE DRAG BARGE Non-Final OA CASHMAN DREDGING AND MARINE CONTRACTING, CO., LLC
17778768 SNOW PLOW ROTATING SIDEWALL WITH SUSPENSION Non-Final OA 9091-4532 Québec inc.

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