Prosecution Insights
Last updated: April 19, 2026

Wolfspeed, Inc.

40 pending office actions

Portfolio Summary

40
Total Pending OAs
13
Final Rejections
27
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18759356 Multi-Channel Workpiece Inspection System HO, ALLEN C 2884 Non-Final OA Jun 28, 2024
18660332 EDGE TERMINATION FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRICATION METHODS RAHMAN, KHATIB A 2813 Non-Final OA May 10, 2024
18417295 Thermal Management Enhancement of Electronic Components JALALI, AMIR A. 2835 Non-Final OA Jan 19, 2024
18405721 Power Semiconductor Devices Including Shape-Memory Metallization MAZUMDER, DIDARUL A 2812 Non-Final OA Jan 05, 2024
18394999 Carrier-Assisted Method for Parting Crystalline Material Along Laser Damage Region BRATLAND JR, KENNETH A 1714 Non-Final OA Dec 22, 2023
18537427 Substrates for Power Semiconductor Devices YI, CHANGHYUN 2812 Non-Final OA Dec 12, 2023
18525028 Power Semiconductor Package WALL, VINCENT 2898 Non-Final OA Nov 30, 2023
18493838 GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING TRENCH SHIELDING REGIONS AND SUPPORT SHIELDS THAT EXTEND TO DIFFERENT DEPTHS RAMOS-DIAZ, FERNANDO JOSE 2814 Non-Final OA Oct 25, 2023
18488284 Direct Bonded Semiconductor Die Package SUN, YU-HSI DAVID 2817 Non-Final OA Oct 17, 2023
18482105 GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SHAPED DEEP SUPPORT SHIELDS THAT REDUCE CELL PITCH AND ON-STATE RESISTANCE YUSHIN, NIKOLAY K 2893 Non-Final OA Oct 06, 2023
18475298 Power Semiconductor Device Having Shaped Trench Ends RAHIM, NILUFA 2893 Non-Final OA Sep 27, 2023
18472343 BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES INCLUDING SEGMENTED SUPPORT SHIELD STRUCTURES FOR REDUCED ON-RESISTANCE AND RELATED FABRICATION METHODS RAHMAN, MOHAMMAD A 2898 Non-Final OA Sep 22, 2023
18466031 SEMICONDUCTOR TRANSISTORS HAVING MINIMUM GATE-TO-SOURCE VOLTAGE CLAMP CIRCUITS QUDDUS, NUSRAT 2838 Non-Final OA Sep 13, 2023
18449458 Wide Bandgap Trench Gate Semiconductor Device with Buried Gate CHEN, YU 2896 Non-Final OA Aug 14, 2023
18358616 Submounts with Stud Protrusions for Semiconductor Packages INOUSSA, MOULOUCOULAY 2818 Non-Final OA Jul 25, 2023
18213500 SILICON CARBIDE SEMICONDUCTOR DEVICES WITH SUPERJUNCTIONS LIU, XIAOMING 2812 Non-Final OA Jun 23, 2023
18340418 LOW REVERSE LEAKAGE CURRENT POWER SCHOTTKY DIODES HAVING REDUCED CURRENT CROWDING AT THE LOWER BLOCKING JUNCTION CORNERS HARRISON, MONICA D 2815 Non-Final OA Jun 23, 2023
18340503 Topside Cooling for Semiconductor Device PATEL, REEMA 2812 Final Rejection Jun 23, 2023
18337657 INTEGRATED RESISTORS WITH INCREASED SHEET RESISTANCE FOR RF APPLICATIONS AND METHODS OF FABRICATING THE SAME ANDERSON, ERIK ARTHUR 2812 Final Rejection Jun 20, 2023
18336376 Die-Attach Fillet Height Reduction VALENZUELA, PATRICIA D 2812 Non-Final OA Jun 16, 2023
18336358 Semiconductor Package VALENZUELA, PATRICIA D 2812 Non-Final OA Jun 16, 2023
18333632 Low Contact Resistance in Semiconductor Devices with Implanted Regions GHEYAS, SYED I 2893 Final Rejection Jun 13, 2023
18138240 SEMICONDUCTOR DEVICES WITH LOW BARRIER HEIGHT SCHOTTKY CONTACTS HARRISON, MONICA D 2815 Final Rejection Apr 24, 2023
18304869 Power Semiconductor Devices Including Beryllium Metallization GHEYAS, SYED I 2893 Final Rejection Apr 21, 2023
18187924 HIGH-PERFORMANCE STRESS BUFFER DIE-COAT AND DEVICES AND PROCESSES IMPLEMENTING THE SAME YAP, DOUGLAS ANTHONY 2899 Final Rejection Mar 22, 2023
18187804 DIE-COAT MATERIAL CONFIGURED TO ENHANCE DEVICE RELIABILITY AND DEVICES AND PROCESSES IMPLEMENTING THE SAME ARORA, AJAY 2892 Non-Final OA Mar 22, 2023
18175231 Electric Field Modification for Nitrogen-Polar Group III-Nitride Semiconductor Devices AHMAD, KHAJA 2813 Non-Final OA Feb 27, 2023
18168985 Vias for Semiconductor Devices Formed from Multiple Etching MIHALIOV, DMITRI 2812 Final Rejection Feb 14, 2023
18107537 POWER SEMICONDUCTOR DEVICES HAVING NON-RECTANGULAR SEMICONDUCTOR DIE FOR ENHANCED MECHANICAL ROBUSTNESS AND REDUCED STRESS AND ELECTRIC FIELD CONCENTRATIONS AHMED, SHAHED 2813 Non-Final OA Feb 09, 2023
18164205 Semiconductor Device Having Semiconductor Structure with Polarity Inverting Layer KIM, JAY C 2815 Final Rejection Feb 03, 2023
18161144 SEMICONDUCTOR DEVICE PACKAGES INCLUDING MULTILAYER STACKS WITH IMPROVED ADHESION CHOUDHRY, MOHAMMAD M 2899 Non-Final OA Jan 30, 2023
18154353 Thermal Enhanced Power Semiconductor Package PRASAD, NEIL R 2897 Final Rejection Jan 13, 2023
18145502 POWER ELECTRONICS PACKAGE LAYOUTS, STRUCTURES, AND/OR CONFIGURATIONS FOR ONE OR MORE POWER DEVICES AND PROCESSES IMPLEMENTING THE SAME KLEIN, JORDAN M 2893 Final Rejection Dec 22, 2022
18074079 Core-Shell Particle Die-Attach Material THOMAS, JAISON P 1762 Final Rejection Dec 02, 2022
17966081 METHODS OF FORMING SEMICONDUCTOR STRUCTURES AND RESULTING SEMICONDUCTOR STRUCTURES DUREN, TIMOTHY EDWARD 2817 Non-Final OA Oct 14, 2022
17961032 Implanted Regions for Semiconductor Structures with Deep Buried Layers NIX, NORA TAYLOR 2891 Non-Final OA Oct 06, 2022
17893277 ELECTRONIC DEVICES WITH REDUCED OHMIC TO OHMIC DIMENSIONS TRAN, TAN N 2812 Non-Final OA Aug 23, 2022
17867801 Multi-Cavity Package Having Single Metal Flange WHALEN, DANIEL B 2893 Final Rejection Jul 19, 2022
17138193 PROCESS, SYSTEM, AND DEVICE FOR DETERMINING A RELATED PRODUCT CHAMPAGNE, LUNA 3627 Non-Final OA Dec 30, 2020
16704644 Semiconductors Having Die Pads with Environmental Protection and Process of Making Semiconductors Having Die Pads with Environmental Protection BOYLE, ABBIGALE A 2899 Final Rejection Dec 05, 2019

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