Prosecution Insights
Last updated: August 17, 2026

Examiner: CHEN, KEATH T

Tech Center 1700 • Art Units: 1711 1712 1713 1716 1718 1792

This examiner grants 30% of resolved cases

Performance Statistics

30.2%
Allow Rate
-34.8% vs TC avg
1,223
Total Applications
+24.6%
Interview Lift
1355
Avg Prosecution Days
Based on 1151 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
15.1%
§102 Novelty
57.2%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18442991 SUBSTRATE SUPPORT, THIN FILM PROCESSING DEVICE, AND THIN FILM DEPOSITION CONTROL METHOD USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18406898 SEMICONDUCTOR PROCESSING APPARATUS USING PLASMA Final Rejection Samsung Electronics Co., Ltd.
17346347 SYSTEMS AND METHODS FOR GRAFTING A MOLECULAR CODE ONTO A MATERIAL BY AN ATMOSPHERIC PLASMA TREATMENT Final Rejection Illinois Tool Works Inc.
18644599 ELECTROSTATIC CHUCK, ETCHING APPARATUS, AND METHOD OF MANUFACTURING DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18515267 ELECTROSTATIC CHUCK, DEPOSITION APPARATUS INCLUDING THE SAME, AND DISPLAY PANEL FABRICATED USING THE SAME Final Rejection Samsung Display Co., LTD.
18504026 DEPOSITION APPARATUS Final Rejection Samsung Display Co., Ltd.
18366820 DEPOSITION SOURCE AND DEPOSITION APPARATUS INCLUDING THE SAME Non-Final OA Samsung Display Co., LTD.
18113846 PLASMA PROCESSING APPARATUS Non-Final OA Hitachi High-Tech Corporation
18442808 LOCAL PART MASKING FOR IMPROVED UNIFORMITY IN CERAMIC MATRIX COMPOSITES Final Rejection RTX Corporation
18404542 PLASMA-ASSISTED FILM REMOVAL FOR WAFER FABRICATION Final Rejection Micron Technology, Inc.
17815318 PLASMA ETCHER EDGE RING WITH A CHAMFER GEOMETRY AND IMPEDANCE DESIGN Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18672918 INTEGRATED WET PASSIVATION ON CMP FOR HYBRID BONDING POST-CU PAD POLISH CAPPING Non-Final OA Applied Materials, Inc.
18663463 SELECTIVE PERIODIC EDGE DEPOSITION AND ETCH Non-Final OA Applied Materials, Inc.
18627065 PLASMA SHOWERHEAD ASSEMBLY Non-Final OA Applied Materials, Inc.
18526788 HARDWARE DESIGN WITH INDEPENDENT CONTROL TO IMPROVE WIW UNIFORMITY Non-Final OA Applied Materials, Inc.
18484232 CERAMIC RF RETURN KIT DESIGN Final Rejection Applied Materials, Inc.
18198123 SENSOR FOR MEASUREMENT OF RADICALS Non-Final OA Applied Materials, Inc.
18094765 CHAMBERS, METHODS, AND APPARATUS FOR GENERATING ATOMIC RADICALS USING UV LIGHT Non-Final OA Applied Materials, Inc.
17046975 EVAPORATION SOURCE FOR DEPOSITION OF EVAPORATED MATERIAL ON A SUBSTRATE, DEPOSITION APPARATUS, METHOD FOR MEASURING A VAPOR PRESSURE OF EVAPORATED MATERIAL, AND METHOD FOR DETERMINING AN EVAPORATION RATE OF AN EVAPORATED MATERIAL Final Rejection Applied Materials, Inc.
18125137 METAL MASK Final Rejection DARWIN PRECISIONS CORPORATION
18456614 PLASMA PROCESSING APPARATUS, PLASMA PROCESSING METHOD, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD Final Rejection Kioxia Corporation
18589744 DISTRIBUTOR AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18353747 PLASMA PROCESSING APPARATUS AND PLASMA STATE ESTIMATION METHOD Final Rejection TOKYO ELECTRON LIMITED
18205426 PLASMA PROCESSING APPARATUS, PLASMA PROCESSING METHOD, PRESSURE VALVE CONTROL DEVICE, PRESSURE VALVE CONTROL METHOD, AND PRESSURE REGULATION SYSTEM Non-Final OA Tokyo Electron Limited
18159295 SUBSTRATE PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18156618 PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
16992550 FILM FORMING APPARATUS AND FILM FORMING METHOD Non-Final OA Tokyo Electron Limited

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