Prosecution Insights
Last updated: October 27, 2026

Hao Hong Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HAO HONG

Tech Center 2400 • Art Units: 2447 2449 2499

This examiner grants 68% of resolved cases

Analysis

Hao Hong Nguyen in Art Unit 2447 has resolved 314 cases with a 67.5% allowance rate. The data highlights an interview lift of 37.9%, which is a highly impactful figure in Tech Center 2400. This 37.9% lift implies that interviews are a critical tool for maximizing the chances of success in this docket. The median days to allowance is 1069, providing a baseline for the expected duration of the prosecution process.

Verizon Communications Inc., Telefonaktiebolaget LM Ericsson, and MediaTek Inc. are frequent participants in this examiner's cases. SUGHRUE MION, PLLC and COATS & BENNETT, PLLC are among the top firms, alongside Erise IP, P.A. Given the 67.5% allowance rate, the 37.9% lift from interviews represents a vital strategic option for applicants. The 1069-day median pendency and the 314 resolved cases offer a clear statistical picture for practitioners to use in their planning.

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

Performance Statistics

67.5%
Allow Rate
+9.5% vs TC avg
342
Total Applications
+37.9%
Interview Lift
1069
Avg Prosecution Days
Based on 314 resolved cases, 2023–2026

Rejection Statute Breakdown

10.2%
§101 Eligibility
13.5%
§102 Novelty
65.1%
§103 Obviousness
3.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18993697 DETECTION OF TRAFFIC FROM A RELAYED DEVICE IN A COMMUNICATIONS NETWORK Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18287757 Methods and Apparatuses for Use in a Network Analytics Tool Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18523126 METHOD AND APPARATUS FOR CONTROLLING QUALITY OF EXPERIENCE IN WIRELESS COMMUNICATION SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
18800373 DATA SENDING METHOD, ENTRY GATEWAY AND COMMUNICATION STATION, AS WELL AS DATA RECEIVING METHOD, EXIT GATEWAY AND VEHICLE COMPRISING SAME Non-Final OA Airbus SAS
18809809 ADAPTIVE STREAMING OF MULTIMEDIA CONTENT Non-Final OA Sony Interactive Entertainment Europe Limited
19001117 APPARATUS AND METHOD FOR PROVIDING EXPOSURE SERVICE OF USER PLANE FOR TIME SENSITIVE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM Final Rejection ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18430539 WIRELESS COMMUNICATION METHOD, AND DEVICES Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18496901 RSD PARAMETERS HANDLING FOR PDN LEGGED MA PDU SESSION Final Rejection MEDIATEK INC.
18496903 URSP RULE REUSING PDN LEGGED MA PDU SESSION HANDLING Final Rejection MEDIATEK INC.
18473761 SYSTEMS AND METHODS FOR SELECTIVELY STORING MEDIA CONTENT ON PORTABLE PLAYBACK DEVICES Final Rejection Sonos, Inc.
18917001 METHOD AND SYSTEM FOR POLICY CONTROL FUNCTION DISCOVERY SERVICE Non-Final OA Verizon Patent and Licensing Inc.
18471087 XR DATA HANDLING ON WI-FI AND CELLULAR ACCESS WITH PDU SET Non-Final OA Cisco Technology, Inc.
19063380 Network path state detection Non-Final OA MELLANOX TECHNOLOGIES, LTD.
18807100 SERVICE PROXY DEVICE, SERVICE PROVIDING SYSTEM, AND SERVICE PROXY METHOD Non-Final OA Yazaki Corporation
18495780 METHOD AND USER EQUIPMENT FOR REPORTING REMAINING DELAY BUDGET INFORMATION Non-Final OA Industrial Technology Research Institute
18790836 EXTENSIBILITY NETWORKING LAYER OF AN INTEGRATION SYSTEM Final Rejection ConnectWise, LLC
18800509 SYSTEMS AND METHODS IMPLEMENTING CONTROLLER-BASED MULTIPLE DOMAIN AUTOMATIC NEXT-HOP RESOLUTION (ANR) IN TRAFFIC ENGINEERING NETWORKS Non-Final OA CIENA CORPORATION

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Frequently Asked Questions

What is examiner Hao Hong Nguyen's allowance rate?

67.5% of resolved applications examined by Hao Hong Nguyen were allowed (314 resolved cases), compared with 63.5% across Art Unit 2447 over the last five years.

Does an interview help with examiner Hao Hong Nguyen?

This examiner's interview lift is +37.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Hao Hong Nguyen took 1,069 days on average from filing to allowance.

Which art unit does examiner Hao Hong Nguyen work in?

Hao Hong Nguyen examines applications in Art Unit 2447 in Tech Center 2400 (Networking & Security).

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