Prosecution Insights
Last updated: April 19, 2026

Examiner: KLUNK, MARGARET D

Tech Center 1700 • Art Units: 1712 1716

This examiner grants 44% of resolved cases

Performance Statistics

43.5%
Allow Rate
-21.5% vs TC avg
474
Total Applications
+29.9%
Interview Lift
1445
Avg Prosecution Days
Based on 432 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
14.5%
§102 Novelty
51.0%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18224312 DEPOSITION APPARATUS Non-Final OA Samsung Display Co., LTD.
18521813 POLISHING APPARATUS Non-Final OA EBARA CORPORATION
16207958 POLISHING APPARATUS AND POLISHING METHOD Non-Final OA EBARA CORPORATION
17893430 CLAMPED DUAL-CHANNEL SHOWERHEAD Non-Final OA Applied Materials, Inc.
17874873 SUSCEPTOR SUPPORT ASSEMBLY FOR CHEMICAL VAPOR DEPOSITION CHAMBERS Final Rejection Applied Materials, Inc.
17831781 PLASMA CHAMBER WITH A MULTIPHASE ROTATING CROSS-FLOW WITH UNIFORMITY TUNING Non-Final OA Applied Materials, Inc.
17380788 FACE-UP WAFER EDGE POLISHING APPARATUS Non-Final OA Applied Materials, Inc.
17232563 VALVE BOX MODULE, SEMICONDUCTOR DEVICE MANUFACTURING SYSTEM AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18171683 TOOLS AND METHODS FOR SURFACE LEVELING Final Rejection Intel Corporation
18044184 GAS SUPPLY SYSTEM AND GAS SUPPLY METHOD Non-Final OA FUJIKIN INCORPORATED
18181295 SUBSTRATE PROCESSING APPARATUS Non-Final OA SCREEN Holdings Co., Ltd.
18175995 SUBSTRATE PROCESSING APPARATUS Final Rejection SCREEN Holdings Co., Ltd.
18325423 ETCHING METHOD AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
17342809 STAGE, SUBSTRATE PROCESSING APPARATUS, AND SUBSTRATE PROCESSING METHOD Final Rejection Tokyo Electron Limited
17883128 METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER WITH WAFER CHUCK HAVING FLUID GUIDING STRUCTURE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
18394198 APPARATUS AND METHOD FOR TREATING SUBSTRATE Non-Final OA SEMES CO., LTD.
18408369 ETCHING DEVICE AND ETCHING METHOD Non-Final OA ULVAC, INC.
18181152 COMPONENT FOR FILM FORMATION APPARATUS OR ETCHING APPARATUS Non-Final OA AGC Inc.
18187342 ELECTRON EXCITATION ATOMIC LAYER ETCH Non-Final OA Lam Research Corporation
18516653 CARRIER DEVICE AND SEMICONDUCTOR PROCESSING EQUIPMENT Non-Final OA BEIJING NAURA MICROELECTRONICS EQUIPMENT CO., LTD.
16761642 OPTICAL ELEMENTS HOLDER DEVICE FOR A COATING STATION Non-Final OA SATISLOH AG
18562791 GAS-INLET ELEMENT FOR A CVD REACTOR Non-Final OA AIXTRON SE
17758667 LIQUID CHEMICAL PROCESSING DEVICE Final Rejection DAIKIN FINETECH, LTD.

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