Prosecution Insights
Last updated: April 19, 2026

Hangzhou Qihan Biotechnology Co. Ltd.

2 pending office actions

Portfolio Summary

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

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
17790797 METHODS AND COMPOSITIONS FOR PRODUCTION OF XENOGENEIC ISLET CELLS AND TREATMENT OF INSULIN-RESISTANT OR -DEFICIENT CONDITIONS WITH THE SAME NOBLE, MARCIA STEPHENS 1632 Final Rejection Jul 05, 2022
17611838 CELLS, TISSUES, ORGANS, AND/OR ANIMALS HAVING ONE OR MORE MODIFIED GENES FOR ENHANCED XENOGRAFT SURVIVAL AND/OR TOLERANCE BATES, KEENAN ALEXANDER 1631 Final Rejection Nov 16, 2021

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