Prosecution Insights
Last updated: April 19, 2026

Examiner: CROWELL, ANNA M

Tech Center 3700 • Art Units: 1712 1716 1792 3722

This examiner grants 45% of resolved cases

Performance Statistics

45.0%
Allow Rate
-25.0% vs TC avg
463
Total Applications
+31.0%
Interview Lift
1404
Avg Prosecution Days
Based on 424 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
19.1%
§102 Novelty
56.0%
§103 Obviousness
13.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17970163 PLASMA CONTROL APPARATUS AND PLASMA PROCESSING SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17948943 PLASMA BAFFLE, SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME, AND SUBSTRATE PROCESSING METHOD USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18543302 ESC DESIGN WITH ENHANCED TUNABILITY FOR WAFER FAR EDGE PLASMA PROFILE CONTROL Non-Final OA Applied Materials, Inc.
18099846 FORMATION OF METALLIC FILMS ON ELECTROLESS METAL PLATING OF SURFACES Final Rejection Applied Materials, Inc.
17370619 SHOWERHEAD ASSEMBLY WITH RECURSIVE GAS CHANNELS Final Rejection Applied Materials, Inc.
16134200 SYSTEMS AND PROCESSES FOR PLASMA TUNING Final Rejection Applied Materials, Inc.
18450625 PLASMA PROCESSING DEVICE, PLASMA PROCESSING METHOD, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD Non-Final OA Kioxia Corporation
18789854 HYDROPHOBIZATION TREATMENT APPARATUS, HYDROPHOBIZATION TREATMENT METHOD, AND COMPUTER STORAGE MEDIUM Non-Final OA Tokyo Electron Limited
18240010 PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18199401 SUBSTRATE PROCESSING APPARATUS AND METHOD FOR ALIGNING RING MEMBER Non-Final OA Tokyo Electron Limited
17894296 ELECTROSTATIC CHUCK, SUBSTRATE SUPPORT, PLASMA PROCESSING APPARATUS, AND METHOD OF MANUFACTURING ELECTROSTATIC CHUCK Non-Final OA Tokyo Electron Limited
17734125 ETCHING METHOD, SUBSTRATE PROCESSING APPARATUS, AND SUBSTRATE PROCESSING SYSTEM Final Rejection Tokyo Electron Limited
17272945 MOUNTING BASE, SUBSTRATE PROCESSING DEVICE, EDGE RING, AND EDGE RING TRANSFER METHOD Non-Final OA Tokyo Electron Limited
17641871 PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD Final Rejection Hitachi High-Tech Corporation
17729645 REACTOR SYSTEMS AND METHODS FOR CLEANING REACTOR SYSTEMS Non-Final OA ASM IP Holding B.V.
16815284 SUBSTRATE PROCESSING APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND RECORDING MEDIUM Final Rejection KOKUSAI ELECTRIC CORPORATION
17894374 SUBSTRATE TREATING APPARATUS Final Rejection SEMES CO., LTD.
17335239 APPARATUS FOR TREATING SUBSTRATE Non-Final OA SEMES CO., LTD.
17604956 ELECTROSTATIC CHUCK SYSTEM Non-Final OA Lam Research Corporation
17221021 Core-Shell Particles and Composite Material Synthesized Therefrom Final Rejection Persimmon Technologies Corporation
18512815 CARBON CONTAINING PRECURSORS FOR BEAM-INDUCED DEPOSITION Non-Final OA FEI Company
17070735 ELECTROSTATIC CHUCK, METHOD OF MANUFACTURING ELECTROSTATIC CHUCK, AND PLASMA PROCESSING APPARATUS Non-Final OA ADVANCED MICRO-FABRICATION EQUIPMENT INC. CHINA
18236243 Rigid Sapphire Based Direct Patterning Deposition Mask Non-Final OA eMagin Corporation
18352506 APPARATUS FOR TREATING SUBSTRATE Non-Final OA PSK INC.

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