Prosecution Insights
Last updated: October 27, 2026

Dai Phuong, USPTO Patent Examiner

Listed by the USPTO as PHUONG, DAI

Tech Center 2600 • Art Units: 2454 2617 2644

This examiner grants 76% of resolved cases

Analysis

PHUONG, DAI is assigned to technology center 2600 and art unit 2454. The record includes 833 resolved cases and an allowance rate of 76.0%. This volume supports a meaningful view of prosecution outcomes, while the rate indicates that allowances constitute a substantial portion of the resolved record.

The median time to allowance is 1092 days. Interview lift is 14.9%, showing that matters associated with interviews have a higher allowance rate than matters without interviews in the available data.

The recurring companies are Telefonaktiebolaget LM Ericsson, Nokia Corporation, and LG Electronics Inc. The listed firms are EDELL, SHAPIRO & FINNAN, LLC, LEE, HONG, DEGERMAN, KANG & WAIMEY, and WITHROW & TERRANOVA, P.L.L.C. Counsel can use the profile to plan for a moderate allowance tendency with interviews as a potentially useful part of prosecution strategy.

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

Performance Statistics

76.0%
Allow Rate
+14.0% vs TC avg
867
Total Applications
+14.9%
Interview Lift
1092
Avg Prosecution Days
Based on 833 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
20.7%
§102 Novelty
54.4%
§103 Obviousness
9.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18681720 CONFIGURING CHARGING TRIGGERS USING NOTIFICATION MESSAGES Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18021192 SYSTEMS AND METHODS FOR CHANGING LBT FOR UNLICENSED NETWORKS Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18015119 METHOD AND APPARATUS FOR LOCATION SERVICE Final Rejection Telefonaktiebolaget LM Ericsson (publ)
17429526 UPLINK TRANSMISSION IN RADIO ACCESS NETWORK Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18841307 NETWORK REGISTRATION METHOD FOR TRAFFIC TRANSMISSION AND DEVICE SUPPORTING SAME Non-Final OA LG ELECTRONICS INC.
18571030 METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION ON BASIS OF CODEBOOK IN WIRELESS COMMUNICATION SYSTEM Non-Final OA LG ELECTRONICS INC.
18669401 MULTIPLE ACCESS POINT NEGOTIATION FOR TRANSMISSION OPPORTUNITY SHARING Final Rejection Samsung Electronics Co., Ltd.
18647265 METHOD AND DEVICE FOR SIGNAL TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM Final Rejection Samsung Electronics Co., Ltd.
18983841 Uplink Data Transmission in Wireless Communications Non-Final OA Apple Inc.
18900067 PERSONALIZED ENTITY REPOSITORY Non-Final OA GOOGLE LLC
18626046 CROSS LINK INTERFERENCE MEASUREMENT CONFIGURATIONS FOR SUB-BAND FULL DUPLEX Final Rejection QUALCOMM Incorporated
19189968 Method, Apparatus and Computer Program Non-Final OA Nokia Technologies Oy
18795511 METHOD, APPARATUS AND COMPUTER PROGRAM Non-Final OA NOKIA TECHNOLOGIES OY
18719984 MOBILITY ROBUSTNESS OPTIMIZATION Non-Final OA Nokia Technologies Oy
18667430 APPLICATION OF PRIORITIZING TERRESTRIAL NETWORK FREQUENCIES FROM THE BROADCAST OF NON-TERRESTRIAL NETWORK FOR USER EQUIPMENT Non-Final OA MEDIATEK Inc.
18758098 Method for Determining Sensing Signal Period, Communication Device, and Non-Transitory Storage Medium Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18789826 GUIDED ANCHOR-FREE METHOD FOR ACCESS POINT LOCATION DETERMINATION Non-Final OA Cisco Technology, Inc.
18718402 Systems and Methods for In-Flight Connectivity Non-Final OA VIASAT, INC.

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Frequently Asked Questions

What is examiner Dai Phuong's allowance rate?

76.0% of resolved applications examined by Dai Phuong were allowed (833 resolved cases), compared with 65.4% across Art Unit 2454 over the last five years.

Does an interview help with examiner Dai Phuong?

This examiner's interview lift is +14.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dai Phuong take to allow a patent?

Applications allowed by Dai Phuong took 1,092 days on average from filing to allowance.

Which art unit does examiner Dai Phuong work in?

Dai Phuong examines applications in Art Unit 2454 in Tech Center 2600 (Communications).

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