Prosecution Insights
Last updated: May 29, 2026

Examiner: CHACKO DAVIS, DABORAH

Tech Center 1700 • Art Units: 1722 1737 1795

This examiner grants 72% of resolved cases

Performance Statistics

71.7%
Allow Rate
+6.7% vs TC avg
1,014
Total Applications
+20.6%
Interview Lift
1225
Avg Prosecution Days
Based on 973 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
22.4%
§102 Novelty
48.0%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18192316 ORGANIC SALT, PHOTORESIST COMPOSITION INCLUDING THE SAME, AND PATTERN FORMATION METHOD USING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18125923 SUBSTRATE PROCESSING METHOD Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17888729 PHOTOMASK AND CORRECTING METHOD FOR EXPOSING APPARATUS USING PHOTOMASK Non-Final OA Samsung Display Co., LTD.
18270789 MASK BLANK, METHOD FOR MANUFACTURING TRANSFER MASK, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA HOYA CORPORATION
18662967 METHOD FOR MANUFACTURING ELECTRONIC DEVICE Final Rejection Innolux Corporation
18093121 CHARACTERIZATION OF PHOTOSENSITIVE MATERIALS Non-Final OA Applied Materials, Inc.
18137288 METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18216168 METHOD OF FORMING PHOTOSENSITIVE ORGANOMETALLIC OXIDES BY CHEMICAL VAPOR POLYMERIZATION Non-Final OA Tokyo Electron Limited
18022213 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
17989438 Self Aligned Multiple Patterning Method Non-Final OA Tokyo Electron Limited
17887946 PROVIDING A BARRIER LAYER FOR PHOTORESIST PROCESSING Non-Final OA Tokyo Electron Limited
18234049 RESIST COMPOSITION AND PATTERN FORMING PROCESS Non-Final OA Shin-Etsu Chemical Co., Ltd.
18317019 Novel Sulfonium Salt, Resist Composition, And Patterning Process Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18316979 Sulfonium-Salt-Type Polymerizable Monomer, Polymer Photoacid Generator, Base Rein, Resist Composition, And Patterning Process Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
17905632 STRUCTURE AND METHOD TO ACHIEVE POSITIVE TONE DRY DEVELOP BY A HERMETIC OVERLAYER Final Rejection Lam Research Corporation
18012736 EUV RESIST UNDERLAYER FILM-FORMING COMPOSITION Non-Final OA NISSAN CHEMICAL CORPORATION
18009874 RESIST UNDERLAYER FILM-FORMING COMPOSITION CONTAINING REACTION PRODUCT OF HYDANTOIN COMPOUNDS Final Rejection NISSAN CHEMICAL CORPORATION
18258453 METAL OXIDE FILM-FORMING COMPOSITION, METHOD FOR PRODUCING METAL OXIDE FILMS USING SAME, AND METHOD FOR REDUCING VOLUME SHRINKAGE RATIO OF METAL OXIDE FILMS Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18308670 PHOTOMASK STRUCTURE Non-Final OA United Microelectronics Corp.
18141952 METHOD FOR ADJUSTING LOCAL THICKNESS OF PHOTORESIST Non-Final OA Shanghai Huali Integrated Circuit Corporation
17912202 SYSTEMS AND METHODS FOR FORMING STRUCTURES ON A SURFACE Non-Final OA ASML HOLDING N.V.
18088843 AZASTANNATRANES, STANNATRANES, AND METHODS OF PREPARATION AND USE THEREOF Non-Final OA Gelest, Inc.
18123420 LOW INTENSITY PHOTOMASK AND SYSTEM, METHOD AND PROGRAM PRODUCT FOR MAKING LOW INTENSITY PHOTOMASK FOR USE IN FLAT PANEL DISPLAY LITHOGRAPHY Non-Final OA PHOTRONICS, INC.

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