Prosecution Insights
Last updated: August 18, 2026

Examiner: ALANKO, ANITA KAREN

Tech Center 3700 • Art Units: 1713 1716 1792 2874 2884 2896 3794

This examiner grants 70% of resolved cases

Performance Statistics

69.7%
Allow Rate
At TC average
732
Total Applications
-17.3%
Interview Lift
1093
Avg Prosecution Days
Based on 694 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
19.6%
§102 Novelty
46.8%
§103 Obviousness
21.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18376034 ETCHING GAS AND ETCHING METHOD USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18616347 POLISHING COMPOSITIONS AND METHODS OF USE THEREOF Final Rejection Fujifilm Electronic Materials U.S.A., Inc.
18316423 SINGLE CRYSTAL SILICON SUBSTRATE, LIQUID DISCHARGE HEAD, AND METHOD FOR MANUFACTURING SINGLE CRYSTAL SILICON SUBSTRATE Non-Final OA SEIKO EPSON CORPORATION
18423888 OPTICAL SIGNAL REDIRECTION STRUCTURE FOR PHOTONICS DEVICE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18805783 SELECTIVE ETCHING OF SILICON-AND-GERMANIUM-CONTAINING MATERIAL Non-Final OA Applied Materials, Inc.
18115269 PROCESSING METHODS TO IMPROVE ETCHED SILICON-AND-GERMANIUM-CONTAINING MATERIAL SURFACE ROUGHNESS Final Rejection Applied Materials, Inc.
18112252 TREATMENTS TO IMPROVE ETCHED SILICON-AND-GERMANIUM-CONTAINING MATERIAL SURFACE ROUGHNESS Final Rejection Applied Materials, Inc.
18615556 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
18611755 ETCHING METHOD AND PLASMA PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18398217 PLASMA PROCESSING METHOD AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18066078 IN-SITU DIAGNOSIS OF PLASMA SYSTEM Non-Final OA Tokyo Electron Limited
18607272 COMPOSITION AND METHOD FOR SELECTIVELY ETCHING SILICON NITRIDE Non-Final OA ENTEGRIS, INC.
17784228 CHEMICAL-MECHANICAL POLISHING COMPOSITION AND CHEMICAL-MECHANICAL POLISHING METHOD USING THE SAME Non-Final OA ENTEGRIS, INC.
18320080 ETCHANT COMPOSITION Final Rejection TOKYO OHKA KOGYO CO., LTD.
18191652 SILICON ETCHANT AND SILICON ETCHING METHOD Final Rejection TOKYO OHKA KOGYO CO., LTD.
18744715 Semiconductor stitching structure and manufacturing method thereof Non-Final OA UNITED MICROELECTRONICS CORP.
18818710 APPARATUS FOR CONTROLLING IMPEDANCE AND SYSTEM FOR TREATING SUBSTRATE WITH THE APPARATUS Non-Final OA SEMES Co., Ltd.
18670706 ETCHING GAS COMPOSITION AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT DEVICE USING THE SAME Non-Final OA SEMES CO., LTD.

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