Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, PHUONGCHAU BA

Tech Center 2600 • Art Units: 2416 2464 2616

This examiner grants 89% of resolved cases

Analysis

Phuongchau Ba Nguyen serves as an examiner in Tech Center 2600 and Art Unit 2416. He has managed 767 resolved cases, establishing a clear record of outcomes for practitioners to analyze. The allowance rate for these cases is 88.8%, which reflects the proportion of applications that successfully result in a patent grant. This 88.8% rate suggests a favorable environment for applicants seeking protection in Art Unit 2416.

The median days to allowance is 1029. This 1029-day figure provides a timeline for the duration of the examination process for successful applications. A median of 1029 days indicates the expected path to a grant in Tech Center 2600. Applicants can use this 1029-day metric to plan their intellectual property strategy and manage expectations regarding the speed of resolution.

The data highlights an interview lift of 15.0%. This 15.0% lift represents the increase in the allowance rate when an interview is conducted. While the base allowance rate of 88.8% is already high, the 15.0% lift shows that direct communication remains a useful tactic for resolving any remaining issues. Practitioners should consider the 15.0% lift as a supplemental strategy to ensure a successful outcome within the 1029-day median timeframe.

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

Performance Statistics

88.8%
Allow Rate
+26.8% vs TC avg
782
Total Applications
+14.9%
Interview Lift
1029
Avg Prosecution Days
Based on 769 resolved cases, 2023–2026

Rejection Statute Breakdown

12.2%
§101 Eligibility
22.7%
§102 Novelty
34.7%
§103 Obviousness
18.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18596568 ADAPTIVE BEAM MEASUREMENT PERIODICITY Non-Final OA Samsung Electronics Co., Ltd.
18809019 Configurable Power Saving Signal with Multiple Functionalities in 5G NR Non-Final OA Apple Inc.
18774015 WIRELESS COMMUNICATION DEVICE Non-Final OA KABUSHIKI KAISHA TOSHIBA
18777216 TECHNIQUES FOR MANAGING WIRELESS ANALYTICS IN SIDELINK COMMUNICATIONS Non-Final OA QUALCOMM Incorporated
18392927 MULTI-PORT SIGNALING OPERATION BASED ON ANTENNA PORT-SPECIFIC QUASI-COLOCATION INFORMATION Final Rejection QUALCOMM Incorporated
18834146 HYBRID AUTOMATIC REPEAT REQUEST (HARQ) PROCEDURES FOR SIDELINK OPERATING IN AN UNLICENSED BAND Final Rejection Intel Corporation
18844481 PHASE TRACKING REFERENCE SIGNAL FOR SIMULTANEOUS MULTI-PANEL UL TRANSMISSION Non-Final OA LENOVO (BEIJING) LIMITED
18883142 SYSTEMS AND METHODS FOR INTER-DONOR MIGRATION AND APPARATUS Non-Final OA ZTE Corporation
18414985 FRAMEWORK FOR SUPPORT OF LIMITED-FUNCTION INTERNET-OF-THINGS (IOT) WIRELESS DEVICES Non-Final OA Cypress Semiconductor Corporation
18377799 METHOD AND DEVICE USED IN COMMUNICATION NODE FOR WIRELESS COMMUNICATION Non-Final OA Apogee Networks, LLC

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