Prosecution Insights
Last updated: October 26, 2026

Liem Hong Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, LIEM HONG

Tech Center 2400 • Art Units: 2416

This examiner grants 73% of resolved cases

Analysis

NGUYEN, LIEM HONG is assigned to tech center 2400 and art unit 2416. The profile contains 248 resolved cases and a 73.4% allowance rate. The 23.4% interview lift indicates a meaningful positive association between interviews and allowance outcomes. The median time to allowance is 1045 days, so applicants should plan for an extended prosecution timeline while considering whether an interview can accelerate issue resolution.

The listed companies are Qualcomm Incorporated, Telefonaktiebolaget LM Ericsson, and Apogee Networks LLC. The leading firms are VOLPE KOENIG, AMPACC Law Group, PLLC, and Baker Botts L.L.P. Practitioners may use interviews to clarify claim scope and prior-art distinctions, supported by focused amendments. The smaller resolved-case record makes case-specific judgment important when applying the historical signals.

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

Performance Statistics

73.4%
Allow Rate
+15.4% vs TC avg
278
Total Applications
+23.4%
Interview Lift
1045
Avg Prosecution Days
Based on 248 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
20.8%
§102 Novelty
56.3%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18861301 RESTORATION OF MULTICAST OR BROADCAST SESSION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18248719 TRIGGERING APERIODIC CHANNEL STATE INFORMATION REPORTING Final Rejection Telefonaktiebolaget LM Ericsson (PUBL)
18860904 FILTERING OPERATION METHOD AND DEVICE FOR SHARED COT AND SHARED FFP IN SL-U Non-Final OA LG Electronics Inc.
18759469 METHOD AND DEVICE FOR PUCCH TRANSMISSION/RECEPTION IN WIRELESS COMMUNICATION SYSTEM Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18702723 NETWORK-CONTROLLED REPEATER DEVICES AND ASSOCIATED CONTROL SIGNALLING Final Rejection Sony Group Corporation
18772253 COMMUNICATION METHOD AND SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18611017 ASSISTANCE DATA FOR MULTI-TARGET DATA ASSOCIATION FOR RADIO FREQUENCY SENSING Non-Final OA QUALCOMM Incorporated
18447710 CSI REPORTING RULES FOR SPATIAL AND POWER ADAPTATION Non-Final OA QUALCOMM Incorporated
18702554 TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION Final Rejection NTT DOCOMO, INC.
18553173 METHOD AND DEVICE FOR HANDLING OF SRBS IN SMALL DATA TRANSMISSION Non-Final OA LENOVO (BEIJING) LIMITED
18503191 Method for Inter-Radio Access Technology Handover Final Rejection MEDIATEK INC.
18734554 INTER-CELL MOBILITY FROM CENTRALIZED UNIT OR DISTRIBUTED UNIT Final Rejection ZTE Corporation

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Frequently Asked Questions

What is examiner Liem Hong Nguyen's allowance rate?

73.4% of resolved applications examined by Liem Hong Nguyen were allowed (248 resolved cases), compared with 72.0% across Art Unit 2416 over the last five years.

Does an interview help with examiner Liem Hong Nguyen?

This examiner's interview lift is +23.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Liem Hong Nguyen take to allow a patent?

Applications allowed by Liem Hong Nguyen took 1,045 days on average from filing to allowance.

Which art unit does examiner Liem Hong Nguyen work in?

Liem Hong Nguyen examines applications in Art Unit 2416 in Tech Center 2400 (Networking & Security).

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