Prosecution Insights
Last updated: April 19, 2026

Examiner: QI, HUA

Tech Center 1700 • Art Units: 1714

This examiner grants 55% of resolved cases

Performance Statistics

55.2%
Allow Rate
-9.8% vs TC avg
579
Total Applications
+24.4%
Interview Lift
1230
Avg Prosecution Days
Based on 529 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
8.6%
§102 Novelty
47.1%
§103 Obviousness
35.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18248740 METHOD OF TRANSFERRING A PATTERN TO AN EPITAXIAL LAYER OF A LIGHT EMITTING DEVICE Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17099454 APPARATUS, SYSTEMS, AND METHODS OF USING ATOMIC HYDROGEN RADICALS WITH SELECTIVE EPITAXIAL DEPOSITION Final Rejection Applied Materials, Inc.
18027686 DEVICE AND METHOD FOR MANUFACTURING A CRYSTALLINE CONVERSION LAYER FROM A SOLUTION Final Rejection CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18518918 METHOD FOR PREPARING SILICON SINGLE CRYSTAL ROD AND SINGLE CRYSTAL FURNACE Non-Final OA ZHEJIANG JINKO SOLAR CO., LTD.
18110403 SYSTEMS AND METHODS FOR PROCESSING THE SURFACE OF AN EPITAXIALLY GROWN SILICON FILM USING A RADICAL SPECIES Non-Final OA ASM IP Holding B.V.
18272253 SINGLE CRYSTAL PULLING APPARATUS AND METHOD FOR PULLING SINGLE CRYSTAL Final Rejection SHIN-ETSU HANDOTAI CO., LTD.
18526700 SILICON CARBIDE PLATFORMS AND THE MANUFACTURE THEREOF THROUGH SILICON CARBIDE EPITAXY ON SILICON Final Rejection HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
18053796 SEMICONDUCTOR CRYSTAL GROWTH USING SOURCE POWDER FROM CRUCIBLE WALL Non-Final OA SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
18028815 INGOT GROWTH APPARATUS AND CONTROL METHOD THEREOF Non-Final OA HANWHA CORPORATION
18025969 CONTINUOUS INGOT GROWTH APPARATUS AND CONTROL METHOD THEREOF Non-Final OA HANWHA CORPORATION
18554477 PROCESS FOR MANUFACTURING SEMICONDUCTOR WAFERS CONTAINING A GAS-PHASE EPITAXIAL LAYER IN A DEPOSITION CHAMBER Final Rejection SILTRONIC AG
17444863 SIC SINGLE CRYSTAL(S) DOPED FROM GAS PHASE Final Rejection II-VI ADVANCED MATERIALS, LLC
18507219 INGOT PULLER APPARATUS HAVING A REFLECTOR ASSEMBLY SUSPENDED FROM SUPPORT SHAFTS Non-Final OA GlobalWafers Co., Ltd.
18356380 SYSTEMS AND METHODS FOR FORMING SINGLE CRYSTAL SILICON INGOTS WITH CRUCIBLES HAVING A SYNTHETIC LINER Non-Final OA GlobalWafers Co., Ltd.
18342986 RESISTIVITY STABILIZATION MEASUREMENT OF FAT NECK SLABS FOR HIGH RESISTIVITY AND ULTRA-HIGH RESISTIVITY SINGLE CRYSTAL SILICON INGOT GROWTH Final Rejection GlobalWafers Co., Ltd
18184886 SYSTEMS AND METHODS FOR DETERMINING MECHANICAL WEAR IN A CRYSTAL PULLER Non-Final OA GlobalWafers Co., Ltd.
17954585 MODELING THERMAL DONOR FORMATION AND TARGET RESISTIVITY FOR SINGLE CRYSTAL SILICON INGOT PRODUCTION Final Rejection GlobalWafers Co., Ltd.
18290514 QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF SILICON SINGLE CRYSTAL Non-Final OA SUMCO Corporation
18237001 METHOD OF MANUFACTURING MONOCRYSTALLINE SILICON Non-Final OA SUMCO CORPORATION
18036988 METHOD OF ESTIMATING OXYGEN CONCENTRATION IN SILICON SINGLE CRYSTAL, METHOD OF MANUFACTURING SILICON SINGLE CRYSTAL, AND SILICON SINGLE CRYSTAL MANUFACTURING APPARATAUS Non-Final OA SUMCO Corporation
17996737 SINGLE CRYSTAL PRODUCTION APPARATUS AND SINGLE CRYSTAL PRODUCTION METHOD Final Rejection SUMCO Corporation
18567705 Heater and Single Crystal Growing Apparatus Non-Final OA XI’AN ESWIN MATERIAL TECHNOLOGY CO., LTD.
18258769 Crystal Puller, Method for Manufacturing Monocrystalline Silicon Ingots and Monocrystalline Silicon Ingots Final Rejection XI’AN ESWIN MATERIAL TECHNOLOGY CO., LTD.
17861187 SiC P-TYPE, AND LOW RESISTIVITY, CRYSTALS, BOULES, WAFERS AND DEVICES, AND METHODS OF MAKING THE SAME Final Rejection Pallidus, Inc
18555463 CHARGING METHOD FOR SILICON MATERIAL AND PREPARATION METHOD FOR SINGLE CRYSTAL Non-Final OA TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD.
18555472 SILICON POWDER MOLDING METHOD, SILICON BLOCK, AND APPLICATION Final Rejection TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD.
18553509 SUPPORTING ROD FOR SINGLE CRYSTAL FURNACE AND SINGLE CRYSTAL FURNACE Non-Final OA TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD.
18548078 FLOW GUIDE CYLINDER LIFTING ASSEMBLY AND SUSPENDED FLOW GUIDE CYLINDER CONTAINING SAME Non-Final OA TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD.
18370935 Silicon Carbide Epitaxy Non-Final OA ThinSiC Inc.
18550651 Apparatus and Method for Regulating Hot Zone for Single Crystal Growth Non-Final OA XI’AN ESWIN SILICON WAFER TECHNOLOGY CO., LTD.

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