Prosecution Insights
Last updated: April 19, 2026

Lorenz & Kopf, LLP (Tsmc)

26 pending office actions • 1 client

Portfolio Summary

26
Total Pending OAs
4
Final Rejections
22
Non-Final OAs

Client Portfolio (1 client)

Client (Assignee)Pending OAs
Taiwan Semiconductor Manufacturing Company, Ltd. 26

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18898864 Untitled Taiwan Semiconductor Manufacturing Company, Ltd. PARIHAR, PRADHUMAN 1714 Non-Final OA
18675661 SYSTEM AND METHOD FOR CLEANING A WAFER SURFACE Taiwan Semiconductor Manufacturing Company, Ltd. BERGNER, ERIN FLANAGAN 1713 Non-Final OA May 28, 2024
18663606 HEAT CLEANING SYSTEM AND METHOD FOR CMP PAD BY-PRODUCT CONTROL Taiwan Semiconductor Manufacturing Company, Ltd. DEO, DUY VU NGUYEN 1713 Non-Final OA May 14, 2024
18654400 CONDITIONING PAD WITH DEPOSITED DIAMOND COATING Taiwan Semiconductor Manufacturing Company, Ltd. DEO, DUY VU NGUYEN 1713 Non-Final OA May 03, 2024
18629679 POLISHING PAD WITH HEAT DISSIPATION PATTERN Taiwan Semiconductor Manufacturing Company, Ltd. MARTIN, KEEGAN THOMAS 3723 Non-Final OA Apr 08, 2024
18423745 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Taiwan Semiconductor Manufacturing Company, Ltd. KIM, SU C 2899 Non-Final OA Jan 26, 2024
18424135 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Taiwan Semiconductor Manufacturing Company, Ltd. LEE, CHEUNG 2812 Non-Final OA Jan 26, 2024
18406778 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Taiwan Semiconductor Manufacturing Company, Ltd. HO, ANTHONY 2817 Non-Final OA Jan 08, 2024
18512593 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Taiwan Semiconductor Manufacturing Company, Ltd. MANDALA, MICHELLE 2893 Non-Final OA Nov 17, 2023
18505632 GATE ISOLATION FEATURES Taiwan Semiconductor Manufacturing Company, Ltd. KOO, LAMONT B 2813 Non-Final OA Nov 09, 2023
18459531 SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING THEREOF WITH DIFFUSION CAP LAYERS Taiwan Semiconductor Manufacturing Company, Ltd. RAHMAN, MOHAMMAD A 2898 Non-Final OA Sep 01, 2023
18457282 SEMICONDUCTOR DEVICES WITH DUMMY FILL STRUCTURES BETWEEN A THROUGH SILICON VIA AND AN ACTIVE DEVICE AND METHODS OF FORMING THE SAME Taiwan Semiconductor Manufacturing Company, Ltd. SABUR, ALIA 2812 Non-Final OA Aug 28, 2023
18456093 CONNECTOR HEIGHT UNIFORMITY OVER UNDER BUMP METAL (UBM) Taiwan Semiconductor Manufacturing Company, Ltd. PHAM, THANHHA S 2812 Non-Final OA Aug 25, 2023
18455211 REDUCED RESIDUE AT ETCHED STRUCTURE SIDEWALLS Taiwan Semiconductor Manufacturing Company, Ltd. MCDONALD, JASON ANDREW 2898 Non-Final OA Aug 24, 2023
18449348 DEVICES AND METHODS FOR FORMING DEVICES WITH INNER SPACERS Taiwan Semiconductor Manufacturing Company, Ltd. VU, HUNG K 2897 Non-Final OA Aug 14, 2023
18360930 METHODS FOR CHEMICAL MECHANICAL POLISHING AND METHODS FOR FORMING AN INTERCONNECT STRUCTURE OF A SEMICONDUCTOR DEVICE Taiwan Semiconductor Manufacturing Company, Ltd. DEO, DUY VU NGUYEN 1713 Final Rejection Jul 28, 2023
18352583 ISOLATION BETWEEN DEVICE AREAS Taiwan Semiconductor Manufacturing Company, Ltd. WILCZEWSKI, MARY A 2898 Non-Final OA Jul 14, 2023
18351877 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Taiwan Semiconductor Manufacturing Company, Ltd. DIAZ, JOSE R 2815 Non-Final OA Jul 13, 2023
18348064 SEMICONDUCTOR DEVICES AND METHODS FOR MANUFACTURING Taiwan Semiconductor Manufacturing Company, Ltd. ENAD, CHRISTINE A 2811 Non-Final OA Jul 06, 2023
18334955 RETAINING RING FOR CHEMICAL-MECHANICAL POLISHING Taiwan Semiconductor Manufacturing Company, Ltd. RIVERA, CARLOS A 3723 Final Rejection Jun 14, 2023
18327590 PLASMA PROCESSING APPARATUS AND METHOD Taiwan Semiconductor Manufacturing Company, Ltd. MCDONALD, RODNEY GLENN 1794 Final Rejection Jun 01, 2023
18303822 ISOLATION OF ADJACENT STRUCTURES Taiwan Semiconductor Manufacturing Company, Ltd. MUNOZ, ANDRES F 2818 Non-Final OA Apr 20, 2023
18186778 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME Taiwan Semiconductor Manufacturing Company, Ltd. FAYETTE, NATHALIE RENEE 2812 Non-Final OA Mar 20, 2023
18165759 SELECTIVE HARDMASK ON HARDMASK Taiwan Semiconductor Manufacturing Company, Ltd. SULLIVAN, CALEEN O 2899 Non-Final OA Feb 07, 2023
18153553 BARRIER LAYER FOR WEAKENED BOUNDARY EFFECT Taiwan Semiconductor Manufacturing Company, Ltd. ENAD, CHRISTINE A 2811 Non-Final OA Jan 12, 2023
17807324 FIN STRUCTURES Taiwan Semiconductor Manufacturing Company, Ltd. BLACKWELL, ASHLEY NICOLE 2897 Final Rejection Jun 16, 2022

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