Prosecution Insights
Last updated: October 26, 2026

Phil K Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, PHIL K

Tech Center 4100 • Art Units: 2115 2118 2175 2176 2187 4100

This examiner grants 82% of resolved cases

Analysis

Phil K. Nguyen is an examiner in Tech Center 4100 and Art Unit 2115. With 550 resolved cases, the examiner maintains a high allowance rate of 82.5 percent. This suggests a favorable environment for applicants, where a large majority of cases result in a patent grant.

The median days to allowance is 973, providing a benchmark for the expected duration of the prosecution process. An interview lift of 14.1 percent indicates that direct communication with the examiner provides a meaningful boost to the chances of allowance. This can be a useful tactic for resolving technical issues or narrowing claims to reach a final agreement. Practitioners should consider interviews to help expedite the process.

Prominent companies such as Intel Corporation, Canon Inc., and Nippon Telegraph and Telephone Corporation are frequently found in this examiner's docket. These applicants are often represented by firms like FISH & RICHARDSON P.C. (TC), Cantor Colburn LLP - Collins Aerospace, and Carnelian Law LLC. The profile reflects a combination of high grant rates and steady processing times for these major technology players.

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

Performance Statistics

82.5%
Allow Rate
+22.5% vs TC avg
576
Total Applications
+14.1%
Interview Lift
973
Avg Prosecution Days
Based on 550 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
19.7%
§102 Novelty
52.8%
§103 Obviousness
12.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18974484 ELECTRONIC APPARATUS AND CONTROL METHOD Final Rejection CANON KABUSHIKI KAISHA
18826795 COMMUNICATION SYSTEM Final Rejection CANON KABUSHIKI KAISHA
18884635 MULTI-PHASE SIGNAL GENERATION Final Rejection Huawei Technologies Co., Ltd.
18633932 DYNAMICALLY POWER ON/OFF PROCESSING CLUSTERS DURING EXECUTION Non-Final OA Intel Corporation
18109837 METHOD AND APPARATUS FOR IMPROVED SECURE ACCELERATOR FIRMWARE BOOT-UP PROCESS Final Rejection Intel Corporation
18091207 CHARGE ISOLATION ARCHITECTURE IN VOLTAGE REGULATOR FOR IMPROVED BATTERY LIFE, RESPONSIVENESS AND REDUCED ACOUSTIC NOISE Final Rejection INTEL CORPORATION
17856804 Heterogeneous Timing Closure For Clock-Skew Scheduling or Time Borrowing Final Rejection Intel Corporation
18998158 POWER SOURCE CONTROL DEVICE, POWER SOURCE CONTROL SYSTEM, POWER SOURCE CONTROL METHOD, AND POWER SOURCE CONTROL PROGRAM Non-Final OA NTT, INC.
18995307 ACCELERATOR STATE CONTROL DEVICE, ACCELERATOR STATE CONTROL SYSTEM, ACCELERATOR STATE CONTROL METHOD AND PROGRAM Non-Final OA Nippon Telegraph and Telephone Corporation
18829629 IMAGE PROCESSING APPARATUS AND EXECUTION CONTROL METHOD OF REWRITE PROTECTION Final Rejection SHARP KABUSHIKI KAISHA
18988248 ENERGY CONSUMPTION-AWARE NETWORK MANAGEMENT Non-Final OA Nokia Technologies Oy
18615238 TRANSMITTER-SIDE LINK TRAINING WITH IN-BAND HANDSHAKING Non-Final OA NVIDIA Corp.
19027016 MANAGING STARTUP OF A DATA PROCESSING SYSTEM USING A LIST OF HARDWARE COMPONENTS Non-Final OA Dell Products L.P.

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Frequently Asked Questions

What is examiner Phil K Nguyen's allowance rate?

82.5% of resolved applications examined by Phil K Nguyen were allowed (550 resolved cases), compared with 71.8% across Art Unit 2115 over the last five years.

Does an interview help with examiner Phil K Nguyen?

This examiner's interview lift is +14.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Phil K Nguyen take to allow a patent?

Applications allowed by Phil K Nguyen took 973 days on average from filing to allowance.

Which art unit does examiner Phil K Nguyen work in?

Phil K Nguyen examines applications in Art Unit 2115 in Tech Center 4100.

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