Prosecution Insights
Last updated: May 29, 2026

Examiner: SULLIVAN, CALEEN O

Tech Center 2800 • Art Units: 1722 1795 2896 2899

This examiner grants 88% of resolved cases

Performance Statistics

88.5%
Allow Rate
+20.5% vs TC avg
1,144
Total Applications
+11.4%
Interview Lift
755
Avg Prosecution Days
Based on 1124 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
8.2%
§102 Novelty
70.1%
§103 Obviousness
2.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18156899 METHOD FOR STORING DATA AND OPTICAL STORAGE Final Rejection The Chinese University of Hong Kong
18047304 METHOD FOR PRODUCING SHAPED OBJECT, METHOD FOR PRODUCING LIQUID EJECTION HEAD, AND LIQUID EJECTION HEAD Non-Final OA CANON KABUSHIKI KAISHA
18059304 ON-PRESS DEVELOPMENT TYPE LITHOGRAPHIC PRINTING PLATE PRECURSOR, METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATE, AND LITHOGRAPHIC PRINTING METHOD Final Rejection FUJIFILM Corporation
18341828 APPARATUS FOR TREATING SUBSTRATE AND METHOD FOR TREATING A SUBSTRATE Non-Final OA SEMES 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
18262451 NEGATIVE PHOTOSENSITIVE COMPOSITION AND METHOD FOR PRODUCING HOLLOW STRUCTURE Non-Final OA TOKYO OHKA KOGYO CO., LTD.
17913389 METHOD AND APPARATUS FOR LITHOGRAPHY-BASED GENERATIVE MANUFACTURING OF A THREE-DIMENSIONAL COMPONENT Final Rejection UPNANO GMBH
18276760 METHODS AND APPARATUS FOR RUTHENIUM OXIDE REDUCTION ON EXTREME ULTRAVIOLET PHOTOMASKS Non-Final OA APPLIED MATERALS, INC.

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