Prosecution Insights
Last updated: April 19, 2026

Daiichi Sankyo Company Limited

19 pending office actions

Portfolio Summary

19
Total Pending OAs
7
Final Rejections
12
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18767925 METHOD FOR PRODUCING AN ANTI-LAG-3 ANTIBODY JUEDES, AMY E 1644 Final Rejection Jul 09, 2024
18284788 STABLE MULTISPECIFIC MOLECULE AND USE THEREOF GAMETT, DANIEL C 1647 Non-Final OA Sep 28, 2023
18367446 METHOD OF TREATING CANCER COMPRISING ADMINISTRATION OF ANTI-HER2 ANTIBODY-DRUG CONJUGATE VAN DRUFF, SYDNEY 1643 Non-Final OA Sep 12, 2023
18549797 NOVEL DEALKOXYPHENYLATION REACTION MILLER, DALE R 1693 Non-Final OA Sep 08, 2023
18263124 NOVEL METHOD FOR PRODUCING ANTIBODY-IMMUNOSTIMULATOR CONJUGATE GALSTER, SAMUEL LEONARD 1693 Non-Final OA Jul 26, 2023
18272050 ANTI-DLL3 ANTIBODY-DRUG CONJUGATE PUTTLITZ, KARL J 1646 Non-Final OA Jul 12, 2023
18265756 STABLE TARGET-EDITING GUIDE RNA TO WHICH CHEMICALLY MODIFIED NUCLEIC ACID IS INTRODUCED TATGE, LEXUS MARC 1637 Non-Final OA Jun 07, 2023
18252838 COMPLEX OF BETA-GLUCAN AND NUCLEIC ACID HAVING CONTROLLED PARTICLE SIZE GALSTER, SAMUEL LEONARD 1693 Final Rejection May 12, 2023
18036290 TREATMENT OF MESOTHELIOMA BY ADMINISTRATION OF ANTI-B7-H3 ANTIBODY-DRUG CONJUGATE CANELLA, KAREN A 1643 Non-Final OA May 10, 2023
18252358 NOVEL AMINOALKYL GLUCOSAMINIDE 4-PHOSPHATE DERIVATIVE OLSON, ANDREA STEFFEL 1693 Non-Final OA May 09, 2023
18025896 A Scoring Method for an Anti-HER2 Antibody-Drug Conjugate Therapy LU, CHENG 1642 Non-Final OA Mar 11, 2023
18016864 COMBINATION OF ANTI-HER2 ANTIBODY-DRUG CONJUGATE WITH HER DIMERIZATION INHIBITOR SKOKO III, JOHN JOSEPH 1643 Non-Final OA Jan 18, 2023
18012900 COMBINATION OF ANTIBODY-DRUG CONJUGATE AND ATM INHIBITOR STONEBRAKER, ALYSSA RAE 1642 Final Rejection Dec 23, 2022
17787760 FILM-COATED TABLETS HAVING SMOOTH SURFACE KNIGHT, SAMANTHA JO 1614 Final Rejection Jun 21, 2022
17641741 CONJUGATE OF GalNAc-OLIGONUCLEOTIDE FOR DELIVERY TO LIVER AND MANUFACTURING METHOD THEREOF VANHORN, ABIGAIL LOUISE 1636 Final Rejection Mar 09, 2022
17616430 STABLE TARGET-EDITING GUIDE RNA HAVING CHEMICALLY MODIFIED NUCLEIC ACID INTRODUCED THEREINTO SULLIVAN, STEPHANIE LAUREN 1635 Final Rejection Dec 03, 2021
17262590 EFFECTIVE METHOD FOR MANUFACTURING ANTIBODY-DRUG CONJUGATE VAN DRUFF, SYDNEY 1643 Non-Final OA Jan 22, 2021
17058838 TREATMENT OF HER2-MUTATED CANCER BY ADMINISTERING ANTI-HER2 ANTIBODY-DRUG CONJUGATE VAN DRUFF, SYDNEY 1643 Final Rejection Nov 25, 2020
16640914 ANTIBODY-DRUG CONJUGATE PREPARATION AND LYOPHILIZATION FOR SAME KIM, YUNSOO 1641 Non-Final OA Feb 21, 2020

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