Prosecution Insights
Last updated: April 19, 2026

Umberg Zipser, LLP

15 pending office actions • 8 clients

Portfolio Summary

15
Total Pending OAs
2
Final Rejections
13
Non-Final OAs

Client Portfolio (8 clients)

Client (Assignee)Pending OAs
Immunitybio, Inc. 5
Nantomics LLC 2
Nantbio, Inc. 2
Nantcell, Inc. 2
Liquid Genomics, Inc. 1
Directa Plus, S.p.A. 1
Five3 Genomics, LLC 1
Nantomics, LLC 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18278797 Untitled Immunitybio, Inc. BENAVIDES, JENNIFER ANN 1675 Non-Final OA
18614465 DNA stabilization of RNA Nantomics LLC POLIAKOVA-GEORGAN, EKATERINA 1637 Non-Final OA Mar 22, 2024
18339106 USE OF CIRCULATING CELL-FREE RNA FOR DIAGNOSIS AND/OR MONITORING CANCER Liquid Genomics, Inc. SALMON, KATHERINE D 1682 Non-Final OA Jun 21, 2023
18325860 METHOD OF TREATMENT OF A TUMOR WITH IL-8 ANTIBODY Nantbio, Inc. STOICA, ELLY GERALD 1647 Non-Final OA May 30, 2023
18195588 CD16high CD57high NK-92MI Cells Immunitybio, Inc. DAHLE, CHUN WU 1641 Final Rejection May 10, 2023
18179995 FC-EPSILON CAR Immunitybio, Inc. OUSPENSKI, ILIA I 1644 Non-Final OA Mar 07, 2023
18005332 COVID-19 Mucosal Antibody Assay Nantcell, Inc. PARKIN, JEFFREY S 1671 Non-Final OA Jan 12, 2023
18150136 Neoepitope vaccine and immune stimulant combinations and methods Nantcell, Inc. BRISTOL, LYNN ANNE 1643 Non-Final OA Jan 04, 2023
17874747 GRAPHENE NANOPLATELET BATTERIES, APPARATUS, AND COMPOSITIONS Directa Plus, S.p.A. MARTIN, ANGELA J 1727 Non-Final OA Jul 27, 2022
17842519 Systems And Methods For High-Accuracy Variant Calling Nantomics LLC LEVERETT, MARY CHANG 1687 Non-Final OA Jun 16, 2022
17767615 Detecting Homologous Recombination Deficiencies (HRD) in Clinical Samples Immunitybio, Inc. LIN, JERRY 1685 Non-Final OA Apr 08, 2022
17115360 Screening of cell clones expressing polygenic transgenes through non-antibiotic dependent positive selection Immunitybio, Inc. REDDIG, PETER J 1646 Non-Final OA Dec 08, 2020
16961026 Fusion Protein Extensions Nantbio, Inc. GAO, ASHLEY HARTMAN 1678 Final Rejection Oct 15, 2020
16222798 Systems and Methods For RNA Analysis In Functional Confirmation Of Cancer Mutations Five3 Genomics, LLC ZEMAN, MARY K 1686 Non-Final OA Dec 17, 2018
15555290 Ensemble-Based Research Recommendation Systems And Methods Nantomics, LLC WOITACH, JOSEPH T 1687 Non-Final OA Sep 01, 2017

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