Prosecution Insights
Last updated: October 27, 2026

Jonathan Khanh Trac, USPTO Patent Examiner

Listed by the USPTO as TRAC, JONATHAN KHANH

Tech Center 4100 • Art Units: 3652 3653 3723 4100

This examiner grants 0% of resolved cases

Performance Statistics

—
Allow Rate
-60.0% vs TC avg
23
Total Applications
—
Interview Lift
0
Avg Prosecution Days
Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
28.6%
§102 Novelty
51.8%
§103 Obviousness
17.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18815043 SLURRY FILTER REPLACEMENT ROBOT Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18915018 MULTIFUNCTIONAL BOOM SYSTEM Non-Final OA Oshkosh Corporation
18711694 FRONT LOADER Non-Final OA KUBOTA CORPORATION
19095138 Semiconductor Treating Device Non-Final OA Hitachi High-Tech Corporation
18758214 SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREOF Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18892288 SUBSTRATE TRANSFER APPARATUS AND SUBSTRATE PROCESSING APPARATUS Final Rejection SCREEN Holdings Co., Ltd.
19069944 MACHINING SYSTEM Non-Final OA DMG MORI CO., LTD.
18883977 POSITIONING SYSTEM FOR SEWER INSPECTION AND/OR MAINTENANCE SYSTEMS Final Rejection iPEK International GmbH

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Frequently Asked Questions

Which art unit does examiner Jonathan Khanh Trac work in?

Jonathan Khanh Trac examines applications in Art Unit 3652 in Tech Center 4100.

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