Prosecution Insights
Last updated: October 02, 2026

Examiner: DANG, TINH

Tech Center 4100 • Art Units: 3655 3659 4100

This examiner grants 85% of resolved cases

Analysis

Tinh Dang is an examiner in Tech Center 4100, assigned to Art Unit 3655. He has 556 resolved cases with a high allowance rate of 85.3%. This rate indicates that he is very likely to grant applications that reach a final disposition. The interview lift is 7.9%, suggesting that while interviews are helpful, the written record is often sufficient to secure an allowance.

The median days to allowance for this examiner is 715. This is a very fast timeline, allowing for a grant in less than two years. For practitioners, the 556 resolved cases provide a solid foundation for expectations. The 85.3% allowance rate and the 715-day median pendency make Art Unit 3655 an efficient venue for patent prosecution. The 7.9% interview lift confirms that the examiner is receptive to arguments, though the high baseline allowance rate is the most prominent feature of his profile.

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

Performance Statistics

85.3%
Allow Rate
+25.3% vs TC avg
567
Total Applications
+7.9%
Interview Lift
715
Avg Prosecution Days
Based on 556 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
29.4%
§102 Novelty
30.8%
§103 Obviousness
36.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18929617 VEHICLE FRONT PORTION STRUCTURE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18502282 ELECTRIFIED VEHICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19054089 ARTICULATED RIGID AXLE OF A VEHICLE WITH AN AXLE SUPPORT WITH AN ELECTRIC MACHINE AS DRIVE Non-Final OA ZF Friedrichshafen AG
18789368 EMERGENCY OPERATION OF AN LV LOAD OF AN ELECTRIC VEHICLE Non-Final OA AUDI AG
18849191 EARTHWORK MACHINE Non-Final OA KOMATSU LTD.
18822501 BOX BODY, BATTERY, AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19056146 BATTERY BOX, BATTERY AND VEHICLE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18820470 Working Vehicle Operation Control System Non-Final OA TAKEUCHI MFG. CO., LTD.
18490899 MOTOR VEHICLE WITH A HIGH VOLTAGE BATTERY Non-Final OA MAGNA STEYR Fahrzeugtechnik GmbH & Co KG

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