Prosecution Insights
Last updated: October 27, 2026

Hai L Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HAI L

Tech Center 2800 • Art Units: 2811 2816 2836 2842 2849

This examiner grants 87% of resolved cases

Analysis

NGUYEN, HAI L is assigned to Technology Center 2800 and Art Unit 2811. The record covers 946 resolved cases and reports an allowance rate of 87.2%, indicating a strong outcome profile. The median time to allowance is 780 days, providing a useful timing reference for applicants coordinating prosecution with product development and portfolio decisions.

The interview lift is 9.3%, showing a modest association with allowance outcomes. Counsel may use interviews to clarify focused issues, while relying on clear written amendments and arguments to define the prosecution record. The leading companies are Murata Manufacturing Co., Ltd., Texas Instruments Incorporated, and pSemi Corporation. The leading firms are CROWE & DUNLEVY - ST, OYEN, WIGGS, GREEN & MUTALA LLP, and RUTAN & TUCKER, LLP.

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

Performance Statistics

87.2%
Allow Rate
+19.2% vs TC avg
963
Total Applications
+9.3%
Interview Lift
780
Avg Prosecution Days
Based on 946 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
29.4%
§102 Novelty
21.7%
§103 Obviousness
35.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18398355 ANALOG-DIGITAL HYBRID INTEGRATOR CIRCUIT Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
19236357 RADIO-FREQUENCY FILTER CIRCUIT AND ELECTRONIC DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18482925 High Gain Detector Techniques for High Bandwidth Low Noise Phase-Locked Loops Final Rejection Texas Instruments Incorporated
19173702 IMPEDANCE TUNING UTILITY OF VECTOR SPACE DEFINED BY TRANSMISSION LINE QUANTITIES Non-Final OA Applied Materials, Inc.
19055862 Signal output apparatus having programmable slew rate Final Rejection REALTEK SEMICONDUCTOR CORPORATION
19084065 CIRCUIT AND METHOD FOR GENERATING A CLOCK SIGNAL Non-Final OA STMicroelectronics International N.V.
19217229 SYSTEMS AND METHODS FOR OSCILLATOR CALIBRATOR FOR INVERTER FOR ELECTRIC VEHICLE Non-Final OA BorgWarner US Technologies LLC
18920761 Pleat Counter Non-Final OA K&N Engineering, Inc.

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Frequently Asked Questions

What is examiner Hai L Nguyen's allowance rate?

87.2% of resolved applications examined by Hai L Nguyen were allowed (946 resolved cases), compared with 72.2% across Art Unit 2811 over the last five years.

Does an interview help with examiner Hai L Nguyen?

This examiner's interview lift is +9.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hai L Nguyen take to allow a patent?

Applications allowed by Hai L Nguyen took 780 days on average from filing to allowance.

Which art unit does examiner Hai L Nguyen work in?

Hai L Nguyen examines applications in Art Unit 2811 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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