Prosecution Insights
Last updated: October 27, 2026

Hieu P Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HIEU P

Tech Center 2800 • Art Units: 2817 2842 2843

This examiner grants 92% of resolved cases

Analysis

NGUYEN, HIEU P is assigned to tech center 2800 and art unit 2817. The profile includes 1250 resolved cases and a 92.1% allowance rate. The 5.2% interview lift is comparatively limited within this record, indicating that interviews are associated with only a modest change in allowance outcomes. The median time to allowance is 679 days, providing a shorter recorded path than profiles with four-digit median timing.

The principal companies are Murata Manufacturing Co., Ltd., Texas Instruments Incorporated, and Samsung Electronics Co., Ltd. The leading firms are McDonald Hopkins LLC, Studebaker Brackett PLLC, and BANNER & WITCOFF , LTD. Practitioners can treat the allowance rate as the dominant historical signal, while using interviews selectively and maintaining attention to substantive prosecution quality despite the favorable outcome profile.

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

Performance Statistics

92.1%
Allow Rate
+24.1% vs TC avg
1,277
Total Applications
+5.2%
Interview Lift
679
Avg Prosecution Days
Based on 1250 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
28.3%
§102 Novelty
55.6%
§103 Obviousness
5.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18800608 Tuning Range Enhancement by Negative Resistance Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18788743 UNIT AMPLIFICATION CIRCUIT, AMPLIFIER AND RECEIVING CIRCUIT Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17556846 POWER AMPLIFIER WITH LINEARIZATION Final Rejection Intel Corporation
18698371 POWER AMPLIFIER Non-Final OA Mitsubishi Electric Corporation
18792234 BALANCED-TO-UNBALANCED TRANSFORMER CIRCUIT, BALANCED-TO-UNBALANCED IMPEDANCE TRANSFORMER CIRCUIT, AND RADIO-FREQUENCY POWER AMPLIFIER Non-Final OA Murata Manufacturing Co., Ltd.
18669827 POWER AMPLIFIER CIRCUIT, POWER AMPLIFIER APPARATUS, AND IMPEDANCE MATCHING DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18621706 DOHERTY AMPLIFIER CIRCUIT Non-Final OA Murata Manufacturing Co., Ltd.
18441291 DOHERTY AMPLIFIER CIRCUIT Final Rejection Murata Manufacturing Co., Ltd.
18395786 POWER AMPLIFIER CIRCUIT AND POWER AMPLIFICATION METHOD Final Rejection Murata Manufacturing Co., Ltd.
18911791 DOHERTY AMPLIFIER CIRCUIT Non-Final OA SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
18789103 METHODS AND APPARATUS TO DYNAMICALLY INCREASE AMPLIFIER SLEW RATES Non-Final OA Texas Instruments Incorporated
18761382 SWITCHING AMPLIFIER HAVING LINEAR TRANSITION TOTEM POLE MODULATION Non-Final OA Texas Instruments Incorporated
18428982 METHODS AND APPARATUS TO REJECT CURRENT RIPPLE Non-Final OA Texas Instruments Incorporated
18625597 System and Process for Automatic Analysis and Optimization of Amplifiers Non-Final OA Comcast Cable Communications, LLC
18796267 CONTROL FOR RADIO-FREQUENCY AMPLIFIER Non-Final OA SKYWORKS SOLUTIONS, INC.
18773243 AMPLIFIER WITH VCO-BASED ADC Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18633590 CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER Non-Final OA Advanced Energy Industries, Inc.

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Frequently Asked Questions

What is examiner Hieu P Nguyen's allowance rate?

92.1% of resolved applications examined by Hieu P Nguyen were allowed (1,250 resolved cases), compared with 81.7% across Art Unit 2817 over the last five years.

Does an interview help with examiner Hieu P Nguyen?

This examiner's interview lift is +5.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hieu P Nguyen take to allow a patent?

Applications allowed by Hieu P Nguyen took 679 days on average from filing to allowance.

Which art unit does examiner Hieu P Nguyen work in?

Hieu P Nguyen examines applications in Art Unit 2817 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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