Prosecution Insights
Last updated: October 02, 2026

Examiner: TRAN, THIEN S

Tech Center 3700 • Art Units: 1792 3725 3742 3761 3762

This examiner grants 72% of resolved cases

Analysis

Thien S Tran is an examiner in Tech Center 3700 and Art Unit 1792. The record includes 1382 resolved cases. The allowance rate is 71.9 percent, which represents the frequency of grants for applications. These 1382 resolved cases provide the data set for the examiner's historical performance. This volume of resolved cases forms the basis for the current metrics.

The interview lift is 24.1 percent, which measures the change in allowance probability after an interview. The median days to allowance is 1211, which is the duration for successful prosecution. In Art Unit 1792, these metrics offer a view of the examiner's past outcomes.

Practitioners should consider the 24.1 percent interview lift when planning their strategy. The 71.9 percent allowance rate and the 1211 median days to allowance are factors for managing expectations. These data points from Tech Center 3700 help in understanding the prosecution environment.

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

Performance Statistics

71.9%
Allow Rate
+1.9% vs TC avg
1,408
Total Applications
+24.1%
Interview Lift
1211
Avg Prosecution Days
Based on 1382 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
16.9%
§102 Novelty
54.2%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18396833 LASER WELDING METHOD, LASER WELDING DEVICE, AND COMPUTER PROGRAM PRODUCT Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18579326 RF ENERGY RADIATION DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18342337 Power System Radiators and Power Systems Having Radiators Non-Final OA Illinois Tool Works Inc.
18693078 WELDING DEVICE, WELDING METHOD, BATTERY MANUFACTURING DEVICE AND VEHICLE MANUFACTURING DEVICE Non-Final OA LG ENERGY SOLUTION, LTD.
18358451 TRIMMING ATTACHMENT TOOL AND METHODS Final Rejection SAUDI ARABIAN OIL COMPANY
18731897 ASSEMBLY WITH CAPILLARY MEDIUM DEFINING DUCT THAT ABUTS SURFACE OF AIR IMPINGEMENT STRUCTURE Final Rejection Altria Client Services LLC
18669148 METHOD OF MAKING AEROSOL-GENERATING ARTICLE WITH POROUS BODY AND AEROSOL-FORMING SUBSTRATE Final Rejection Altria Client Services LLC
18559816 A METHOD FOR MANUFACTURING A ROLLING OR PLAIN BEARING RING Non-Final OA AKTIEBOLAGET SKF
18473320 AEROSOL GENERATING DEVICE, CONTROL METHOD AND STORAGE MEDIUM Non-Final OA Japan Tobacco Inc.
18636352 CERAMIC HEATER Non-Final OA NGK INSULATORS, LTD.
18524684 LIGHT IRRADIATION TYPE HEAT TREATMENT METHOD AND HEAT TREATMENT APPARATUS Non-Final OA SCREEN Holdings Co., Ltd.
18499723 LASER PROCESSING APPARATUS AND PROCESSING METHOD Non-Final OA DISCO CORPORATION
18028487 WIRING SHEET AND WIRING SHEET PRODUCTION METHOD Final Rejection LINTEC CORPORATION
18437874 INDUCTION COIL ASSEMBLY Non-Final OA WHIRLPOOL CORPORATION
18390598 100 HZ NOISE REDUCTION IN A COOKTOP Non-Final OA WHIRLPOOL CORPORATION
18563834 HAIR STYLING APPLIANCE Non-Final OA Dyson Technology Limited
18209842 Milk Frothing Device Equipped With A Calibrated Air Passage Final Rejection SEB S.A.
18422215 VAPORIZER AND ELECTRONIC VAPORIZATION DEVICE Non-Final OA SHENZHEN SMOORE TECHNOLOGY LIMITED
17714972 METHOD AND SYSTEM FOR A HEAT SUPPLY TO A PRODUCT TO BE COOKED Non-Final OA Vorwerk & Co. Interholding GmbH
18528844 AUTOMATIC EGG FRYING MECHANISM WITH FLIPPING FUNCTION Non-Final OA Dongguan Yuwei Food Machinery Technology Co., Ltd.
18152482 EDM ELECTRODE WITH ENRICHED SURFACE REGION Non-Final OA RAYTHEON TECHNOLOGIES CORPORATION

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