Prosecution Insights
Last updated: October 26, 2026

Chuong A Ngo, USPTO Patent Examiner

Listed by the USPTO as NGO, CHUONG A

Tech Center 2600 • Art Units: 2447 2469 2617 2645

This examiner grants 85% of resolved cases

Analysis

NGO, CHUONG A has resolved 894 cases, with an allowance rate of 85.3% and an interview lift of 11.7%. The median time to allowance is 839 days. The large resolved-case record supports using the allowance rate as a meaningful historical reference. The interview measure is present but limited, so claim clarity and written treatment of the cited art remain important prosecution priorities.

The examiner works in tech center 2600 and art unit 2447. The leading companies are Qualcomm Incorporated, InterDigital Inc., and Sharp Corporation. The leading firms are BANNER & WITCOFF , LTD, CANTOR COLBURN LLP, and McClure, Qualey & Rodack, LLP. The profile provides focused context for communications and electronics portfolios.

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

Performance Statistics

85.3%
Allow Rate
+23.3% vs TC avg
909
Total Applications
+11.7%
Interview Lift
839
Avg Prosecution Days
Based on 894 resolved cases, 2023–2026

Rejection Statute Breakdown

8.1%
§101 Eligibility
30.4%
§102 Novelty
45.5%
§103 Obviousness
4.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18838742 SCHEDULING REQUESTS FOR SPATIAL MULTIPLEXING Non-Final OA QUALCOMM Incorporated
18712600 CONDITIONS FOR SWITCHING BETWEEN USER EQUIPMENT (UE)-ASSISTED AND UE-BASED MODES WITHIN A POSITIONING SESSION Non-Final OA QUALCOMM Incorporated
18726845 ENHANCEMENTS OF HIGH PRIORITY SR MULTIPLEXING ON LP PUSCH Final Rejection SHARP KABUSHIKI KAISHA
18726846 ENHANCEMENTS OF HIGH PRIORITY SR MULTIPLEXING ON LP PUSCH Final Rejection SHARP KABUSHIKI KAISHA
18858537 SENSING-BASED INTERFERENCE MITIGATION IN NR DUPLEX Non-Final OA InterDigital Patent Holdings, Inc.
18795089 METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS FOR SENSING IN WIRELESS NETWORKS Non-Final OA InterDigital Patent Holdings, Inc.
18693689 PAGING ENHANCEMENTS TO GNB FOR RADAR COEXISTANCE Final Rejection INTERDIGITAL PATENT HOLDINGS, INC.
18814990 WIRELESS COMMUNICATION METHOD AND TERMINAL DEVICES Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18837346 Method and Apparatus for RIS state feedback and receiving Non-Final OA ZTE Corporation

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Frequently Asked Questions

What is examiner Chuong A Ngo's allowance rate?

85.3% of resolved applications examined by Chuong A Ngo were allowed (894 resolved cases), compared with 63.5% across Art Unit 2447 over the last five years.

Does an interview help with examiner Chuong A Ngo?

This examiner's interview lift is +11.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Chuong A Ngo take to allow a patent?

Applications allowed by Chuong A Ngo took 839 days on average from filing to allowance.

Which art unit does examiner Chuong A Ngo work in?

Chuong A Ngo examines applications in Art Unit 2447 in Tech Center 2600 (Communications).

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