Prosecution Insights
Last updated: April 19, 2026

Kdw Firm Pllc (Lf-1511)

18 pending office actions • 4 clients

Portfolio Summary

18
Total Pending OAs
3
Final Rejections
15
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Littelfuse Semiconductor (Wuxi) Co., Ltd. 10
Dongguan Littelfuse Electronics Company Limited 4
Littelfuse, Inc. 3
Suzhou Littelfuse OVS Co., Ltd. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19073148 PROTECTION AND SENSING SYSTEMS AND METHODS Littelfuse, Inc. TRAN, NGUYEN 2838 Non-Final OA Mar 07, 2025
18668345 PPTC SMALL PLANAR SMD TEMPERATURE SENSORS AND OVERCURRENT DEVICES Littelfuse, Inc. TRAN, BINH BACH THANH 2847 Non-Final OA May 20, 2024
18626737 HEIGHT-ADJUSTABLE MASKING PALLET ASSEMBLY FOR ARC SPRAY APPLICATIONS Dongguan Littelfuse Electronics Company Limited PENCE, JETHRO M 1717 Non-Final OA Apr 04, 2024
18685023 BATTERY SYSTEM AND HYBRID CURRENT SENSOR THEREFOR Suzhou Littelfuse OVS Co., Ltd. HAWKINS, DOMINIC E 2858 Final Rejection Feb 20, 2024
18426127 METHOD OF GLASS DEPOSITION FOR SEMICONDUCTOR DEVICE FABRICATION Littelfuse Semiconductor (Wuxi) Co., Ltd. YUSHIN, NIKOLAY K 2893 Non-Final OA Jan 29, 2024
18413169 CURRENT SENSOR WITH DIAGNOSTIC FEATURE Littelfuse, Inc. ALEJNIKOV JR, ROBERT P 2857 Final Rejection Jan 16, 2024
18526532 TRIAC DEVICE WITH HIGH COMMUTATING CAPABILITY Littelfuse Semiconductor (Wuxi) Co., Ltd. LINDSEY, COLE LEON 2812 Non-Final OA Dec 01, 2023
18526466 HIGH POWER DENSITY RECTIFIER DEVICE Littelfuse Semiconductor (Wuxi) Co., Ltd. MCCUTCHEON, COLIN RUSSELL 2892 Non-Final OA Dec 01, 2023
18526565 HIGH NOISE IMMUNITY TRIAC STRUCTURE Littelfuse Semiconductor (Wuxi) Co., Ltd. WATTS, JEREMY DANIEL 2897 Non-Final OA Dec 01, 2023
18495831 CURRENT SENSOR WITH INVERTED SHIELDING ELEMENT Littelfuse Semiconductor (Wuxi) Co., Ltd. ARMAND, MARC ANTHONY 2813 Final Rejection Oct 27, 2023
18486277 THERMALLY PROTECTED METAL OXIDE VARISTOR Dongguan Littelfuse Electronics Company Limited LEE, KYUNG S 2831 Non-Final OA Oct 13, 2023
18486232 MONOLITHIC MULTIPLE-CHANNEL PROTECTION DEVICE Littelfuse Semiconductor (Wuxi) Co., Ltd. SANDVIK, BENJAMIN P 2812 Non-Final OA Oct 13, 2023
18375324 ISOLATION ENHANCED THERMALLY PROTECTED METAL OXIDE VARISTOR Dongguan Littelfuse Electronics Company Limited LEE, KYUNG S 2831 Non-Final OA Sep 29, 2023
18375343 SEMICONDUCTOR PACKAGE Littelfuse Semiconductor (Wuxi) Co., Ltd. LOPEZ, JORGE ANDRES 2897 Non-Final OA Sep 29, 2023
18368883 PACKAGE STRUCTURE FOR ASYMMETRIC TRANSIENT VOLTAGE SUPPRESSOR Littelfuse Semiconductor (Wuxi) Co., Ltd. KUPP, BENJAMIN MICHAEL 2893 Non-Final OA Sep 15, 2023
18231861 Two-In-One Lead Frame Package Littelfuse Semiconductor (Wuxi) Co., Ltd. ARORA, AJAY 2892 Non-Final OA Aug 09, 2023
18269630 HIGH POWER PPTC HEATER FOR LOW LIMITING TEMPERATURE OPERATION Dongguan Littelfuse Electronics Company Limited CHEN, SIMPSON ABRAHAM 3761 Non-Final OA Jun 26, 2023
17706008 SEMICONDUCTOR MESA DEVICE FORMATION METHOD Littelfuse Semiconductor (Wuxi) Co., Ltd. PETERSON, ERIK T 2898 Non-Final OA Mar 28, 2022

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