Prosecution Insights
Last updated: October 27, 2026

Binh X Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, BINH X

Tech Center 2800 • Art Units: 1713 1716 1765 1781 1792 2813

This examiner grants 82% of resolved cases

Analysis

TRAN, BINH X is assigned to tech center 2800 and art unit 1713. The record contains 936 resolved cases, an 81.7% allowance rate, and an 11.9% interview lift. The median time to allowance is 1024 days. The metrics support a high observed allowance outcome and a positive interview association within a substantial prosecution record.

The main companies are Tokyo Electron Limited, Applied Materials Inc., and Taiwan Semiconductor Manufacturing Company, Ltd. The leading firms are JCIPRNET, CKC & Partners Co., LLC, and Conley Rose, P.C. Practitioners handling semiconductor manufacturing matters can use these recurring participants to inform claim drafting, response planning, and interview preparation.

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

Performance Statistics

81.7%
Allow Rate
+13.7% vs TC avg
976
Total Applications
+11.9%
Interview Lift
1024
Avg Prosecution Days
Based on 936 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
20.6%
§102 Novelty
40.3%
§103 Obviousness
30.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19058795 CHEMICAL LIQUID AND TREATMENT METHOD Non-Final OA FUJIFILM CORPORATION
18603578 TREATMENT LIQUID FOR MANUFACTURING SEMICONDUCTOR AND METHOD OF TREATING OBJECT TO BE TREATED Non-Final OA FUJIFILM Corporation
18627835 PRODUCING GRATINGS IN OPTICAL SUBSTRATES USING NEUTRALIZED ION BEAM ETCHING Non-Final OA GOOGLE LLC
18846229 FAST ATOMIC LAYER ETCH Non-Final OA Lam Research Corporation
18688739 ATOMIC LAYER ETCHING USING BORON TRICHLORIDE Final Rejection Lam Research Corporation
18727238 LASER MICROMACHINING OF MEMS RESONATORS FROM BULK OPTICALLY TRANSPARENT MATERIAL Non-Final OA The Regents of the University of California
18620111 SELECTIVE ETCHING OF SILICON ADJACENT TO SILICON-GERMANIUM Non-Final OA Tokyo Electron Limited
18439469 IN-SITU METAL DEPOSITION FOR REDUCED CHARGING DURING DIELECTRIC ETCH Final Rejection Tokyo Electron Limited
18482401 SUBSTRATE-PROCESSING METHOD AND SUBSTRATE-PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18368110 ETCHING METHOD AND ETCHING APPARATUS Final Rejection Tokyo Electron Limited
18814133 SUBSTRATE PROCESSING INCLUDING INITIAL ETCHING AND FAST ETCHING, AND RELATED METHODS, APPARATUS, SYSTEMS, AND CHAMBERS Non-Final OA Applied Materials, Inc.
18805790 SELECTIVE ETCHING OF SILICON-CONTAINING MATERIAL Non-Final OA Applied Materials, Inc.
18603360 SELECTIVE OXIDATION PROCESSES FOR GATE-ALL-AROUND TRANSISTORS Final Rejection Applied Materials, Inc.
18974840 SEMICONDUCTOR MANUFACTURING METHOD Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18973300 Photoresist and Method Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18607490 Plasma Etched Compound Semiconductor Final Rejection SPTS Technologies Limited
18931148 Etching Compositions Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18697669 PATTERNING METHODS FOR PHOTONIC DEVICES Final Rejection PSIQUANTUM CORP.
18957603 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA SCREEN Holdings Co., Ltd.
18596278 POLISHING COMPOSITION, POLISHING METHOD, AND METHOD FOR PRODUCING SEMICONDUCTOR SUBSTRATE Final Rejection FUJIMI INCORPORATED
18684991 POLISHING COMPOSITION, POLISHING COMPOSITION PRODUCTION METHOD, POLISHING METHOD, AND SEMICONDUCTOR SUBSTRATE PRODUCTION METHOD Final Rejection FUJIMI INCORPORATED
18870440 COMPOSITION FOR CHEMICAL MECHANICAL POLISHING AND POLISHING METHOD Non-Final OA JSR CORPORATION

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Frequently Asked Questions

What is examiner Binh X Tran's allowance rate?

81.7% of resolved applications examined by Binh X Tran were allowed (936 resolved cases), compared with 62.4% across Art Unit 1713 over the last five years.

Does an interview help with examiner Binh X Tran?

This examiner's interview lift is +11.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Binh X Tran take to allow a patent?

Applications allowed by Binh X Tran took 1,024 days on average from filing to allowance.

Which art unit does examiner Binh X Tran work in?

Binh X Tran examines applications in Art Unit 1713 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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