Prosecution Insights
Last updated: October 02, 2026

Examiner: DUONG, DIEU HIEN

Tech Center 2800 • Art Units: 2821 2845

This examiner grants 78% of resolved cases

Analysis

Dieu Hien Duong serves in Tech Center 2800 and Art Unit 2821. He has overseen a high volume of 1052 resolved cases. This large caseload provides a robust statistical foundation for evaluating his examination style in the fields of semiconductors and electronic components. His experience across these 1052 cases suggests a consistent and well-established approach to the patenting process.

The examiner's allowance rate is 78.2 percent. This is a strong figure that indicates a high probability of success for applicants. He also shows an interview lift of 16.5 percent. This significant lift suggests that interviews are a highly effective tool for overcoming rejections. The 16.5 percent increase in allowance probability following an interview is a clear indication that direct communication is a valuable strategy for practitioners working with Duong.

The median days to allowance for his cases is 968. This timeframe is under the thousand-day mark, indicating an efficient path to grant. The combination of a 78.2 percent allowance rate and a 968-day median suggests a predictable and relatively fast prosecution process. Practitioners should consider the 16.5 percent interview lift as a key tactic to maintain this efficiency and ensure that their applications reach a favorable resolution within the 968-day median window.

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

Performance Statistics

78.2%
Allow Rate
+10.2% vs TC avg
1,070
Total Applications
+16.5%
Interview Lift
968
Avg Prosecution Days
Based on 1052 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
27.9%
§102 Novelty
51.8%
§103 Obviousness
16.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19037689 DUAL BAND ANTENNA AND ELECTRONIC DEVICE INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
19210780 ANTENNA AND ELECTRONIC DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18438921 ADDITIVELY MANUFACTURED ELECTROMAGNETICALLY COUPLED PATCH ANTENNA Final Rejection BAE SYSTEMS Information and Electronic Systems Integration Inc.
18901916 ULTRA-WIDEBAND ANTENNA ARRAY AND ELECTRONIC DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
19263545 ANTENNA DEVICE Non-Final OA KMW INC.
19235969 INTEGRATED MODULAR ANTENNA SYSTEM Non-Final OA Motional AD LLC
18700688 ANTENNA ARRAY AND COMMUNICATION DEVICE Final Rejection BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18263923 ANTENNA AND COMMUNICATION APPARATUS Final Rejection DAI NIPPON PRINTING CO., LTD.
17780554 WIDEBAND ELECTROMAGNETICALLY COUPLED MICROSTRIP PATCH ANTENNA FOR 60 GHZ MILLIMETER WAVE PHASED ARRAY Non-Final OA INDIAN INSTITUTE OF TECHNOLOGY KHARAGPUR
18613378 ASYMMETRIC CHEBYSHEV ARRAY ANTENNA Final Rejection ARCADYAN TECHNOLOGY CORPORATION

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