Prosecution Insights
Last updated: April 19, 2026

Sigma-Aldrich Co. LLC

8 pending office actions • 4 clients

Portfolio Summary

8
Total Pending OAs
2
Final Rejections
6
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Sigma-Aldrich Co. LLC 4
Sigma-Aldrich Co. LLC 2
Sigms-Aldrich Co. LLC 1
Glycobac, LLC 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18558693 CHEMICALLY LINKABLE NUCLEAR TARGETING TAGS Sigma-Aldrich Co. LLC JAIPRASHAD, RAJESH 1691 Non-Final OA Nov 02, 2023
18253470 DRYING PROCESSES FOR BIO-COMPATIBLE SPME COATINGS Sigms-Aldrich Co. LLC LEBRON, BENJAMIN L 1773 Non-Final OA May 18, 2023
18065751 STABLE TARGETED INTEGRATION Sigma-Aldrich Co. LLC STEADMAN, DAVID J 1656 Non-Final OA Dec 14, 2022
17931200 VIRUS-FREE CELL LINES AND METHODS FOR OBTAINING SAME Glycobac, LLC CHEN, STACY BROWN 1672 Final Rejection Sep 12, 2022
17905907 EFFICIENT PREPARATION OF DOLASTATIN AND AURISTATIN ANALOGS THROUGH A COMMON INTERMEDIATE Sigma-Aldrich Co. LLC HA, JULIE 1654 Non-Final OA Sep 08, 2022
17790392 High Fidelity SpCas9 Nucleases for Genome Modification Sigma-Aldrich Co. LLC KONOPKA, CATHERINE ANNE 1635 Non-Final OA Jun 30, 2022
17604332 STABLE TARGETED INTEGRATION Sigma-Aldrich Co. LLC MEYERING, SHABANA SHABBEER 1635 Non-Final OA Oct 18, 2021
17398648 CRISPR-BASED GENOME MODIFICATION AND REGULATION Sigma-Aldrich Co. LLC QIAN, CELINE X 1637 Final Rejection Aug 10, 2021

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