Prosecution Insights
Last updated: April 19, 2026

Young Chang Chemical Co. Ltd.

2 pending office actions

Portfolio Summary

2
Total Pending OAs
0
Final Rejections
2
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18040167 PROCESS SOLUTION COMPOSITION FOR EXTREME ULTRAVIOLET PHOTOLITHOGRAPHY AND PATTERN FORMING METHOD USING SAME LEE, ALEXANDER N 1737 Non-Final OA Feb 01, 2023
17641229 PROCESS LIQUID COMPOSITION FOR PHOTOLITHOGRAPHY AND PATTERN FORMING METHOD USING SAME KUMAR, PREETI 1761 Non-Final OA Mar 08, 2022

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