Prosecution Insights
Last updated: April 19, 2026

Guangzhou Qianyang Bio-Technology Pharmaceutical Co. Ltd.

1 pending office actions

Portfolio Summary

1
Total Pending OAs
0
Final Rejections
1
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
17912525 METHOD FOR IMPROVING ANTIGEN IMMUNOGENICITY, CORONAVIRUS ANTIGEN, USE THEREOF, RECOMBINANT VECTOR, EXPRESSION KIT, TRANSGENIC CELL LINE, RECOMBINANT BACTERIUM, CORONAVIRUS VACCINE, PREPARATION METHOD OF ANTIGEN AND NUCLEOTIDE SEQUENCE QIAN, CELINE X 1637 Non-Final OA Sep 19, 2022

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