Prosecution Insights
Last updated: April 19, 2026

Examiner: SULLIVAN, CALEEN O

Tech Center 2800 • Art Units: 1722 1795 2896 2899

This examiner grants 88% of resolved cases

Performance Statistics

88.4%
Allow Rate
+20.4% vs TC avg
1140
Total Applications
+11.5%
Interview Lift
797
Avg Prosecution Days
Based on 1115 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
18.6%
§102 Novelty
59.8%
§103 Obviousness
5.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18210374 MANUFACTURING METHOD OF SEMICONDUCTOR ELEMENT BY USING EXTREME ULTRA VIOLET Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18455231 FLEXOGRAPHIC PRINTING PLATE PRECURSOR AND MANUFACTURING METHOD OF FLEXOGRAPHIC PRINTING PLATE Non-Final OA FUJIFILM Corporation
18449475 ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, RESIST FILM, PATTERN FORMING METHOD, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICES Non-Final OA FUJIFILM Corporation
18362376 ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE FILM, PATTERN FORMING METHOD, AND METHOD FOR PRODUCING ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18359391 ON-PRESS DEVELOPMENT TYPE LITHOGRAPHIC PRINTING PLATE PRECURSOR, METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATE, AND LITHOGRAPHIC PRINTING METHOD Non-Final OA FUJIFILM Corporation
18175870 METHOD FOR PRODUCING ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, PATTERN FORMING METHOD, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18059304 ON-PRESS DEVELOPMENT TYPE LITHOGRAPHIC PRINTING PLATE PRECURSOR, METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATE, AND LITHOGRAPHIC PRINTING METHOD Final Rejection FUJIFILM Corporation
18047304 METHOD FOR PRODUCING SHAPED OBJECT, METHOD FOR PRODUCING LIQUID EJECTION HEAD, AND LIQUID EJECTION HEAD Non-Final OA CANON KABUSHIKI KAISHA
18133945 PELLICLE FOR EUV LITHOGRAPHY MASKS AND METHODS OF MANUFACTURING THEREOF Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18123095 METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18165759 SELECTIVE HARDMASK ON HARDMASK Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18239301 PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN LAYER USING THE SAME, AND COLOR FILTER Non-Final OA SAMSUNG SDI CO., LTD.
18155545 SEMICONDUCTOR PHOTORESIST COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION Non-Final OA Samsung SDI Co., Ltd.
18341828 APPARATUS FOR TREATING SUBSTRATE AND METHOD FOR TREATING A SUBSTRATE Non-Final OA SEMES CO., LTD.
18262451 NEGATIVE PHOTOSENSITIVE COMPOSITION AND METHOD FOR PRODUCING HOLLOW STRUCTURE Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18156580 UNDERLAYER COMPOSITION FOR PHOTOLITHOGRAPHY, MULTILAYERED STRUCTURE FORMED USING THE SAME, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME Non-Final OA Inha University Research and Business Foundation
18156899 METHOD FOR STORING DATA AND OPTICAL STORAGE Final Rejection The Chinese University of Hong Kong
18241904 Method for coating top anti-reflective coating Non-Final OA United Semiconductor (Xiamen) Co., Ltd.
18451607 BLANK MASK AND PHOTOMASK USING THE SAME Non-Final OA SK enpulse Co., Ltd.
18276760 METHODS AND APPARATUS FOR RUTHENIUM OXIDE REDUCTION ON EXTREME ULTRAVIOLET PHOTOMASKS Non-Final OA APPLIED MATERALS, INC.
17913389 METHOD AND APPARATUS FOR LITHOGRAPHY-BASED GENERATIVE MANUFACTURING OF A THREE-DIMENSIONAL COMPONENT Final Rejection UPNANO GMBH

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