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Home / Examiner: CHU, KATHERINE J
Last updated: August 18, 2026

Examiner: CHU, KATHERINE J

Tech Center 3600 • Art Units: 3671

This examiner grants 46% of resolved cases

Performance Statistics

46.2%
Allow Rate
-5.8% vs TC avg
554
Total Applications
+20.5%
Interview Lift
951
Avg Prosecution Days
Based on 515 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
17.3%
§102 Novelty
56.7%
§103 Obviousness
23.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18704304 ANTI-KICKBACK CONTROL FOR BATTERY PACK POWERED TROWELS Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18332384 CONCRETE SLAB LOAD TRANSFER AND CONNECTION APPARATUS Non-Final OA Illinois Tool Works Inc.
17894743 DOWEL SYSTEM Final Rejection Illinois Tool Works Inc.
17347490 LIGHTWEIGHT VAULT COVER Final Rejection Hubbell Incorporated
18533233 SYSTEMS, METHODS, AND APPARATUSES FOR HEATING A SCREED OF A PAVING MACHINE Non-Final OA Caterpillar Paving Products Inc.
18184060 MATERIAL HANDLING SYSTEM Non-Final OA Caterpillar Paving Products Inc.

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