Prosecution Insights
Last updated: May 29, 2026

Examiner: REGLAS, GILLIAN CHELSEA

Tech Center 1600 • Art Units: 1632

This examiner grants 28% of resolved cases

Performance Statistics

27.5%
Allow Rate
-32.5% vs TC avg
105
Total Applications
+55.9%
Interview Lift
1373
Avg Prosecution Days
Based on 51 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
3.9%
§102 Novelty
72.4%
§103 Obviousness
10.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17914246 ENTERIC NITRERGIC NEURONS AND METHODS OF USING THE SAME Non-Final OA The Regents of the University of California
18806641 USE OF ADENO-ASSOCIATED VIRAL VECTORS TO CORRECT GENE DEFECTS/ EXPRESS PROTEINS IN HAIR CELLS AND SUPPORTING CELLS IN THE INNER EAR Final Rejection Akouos, Inc.
17189376 NUCLEIC ACID DELIVERY CARRIER, NUCLEIC ACID DELIVERY CARRIER SET, NUCLEIC ACID DELIVERY COMPOSITION, AND NUCLEIC ACID DELIVERY METHOD Non-Final OA KABUSHIKI KAISHA TOSHIBA
17772539 PROTEASE SWITCH FOR DUAL TARGETS CHIMERIC ANTIGEN RECEPTOR T CELL THERAPY Non-Final OA THE TEXAS A&M UNIVERSITY SYSTEM
17965656 COMPOSITIONS FOR PREVENTING OR TREATING DIABETIC SKIN DISEASE COMPRISING EXOSOME-DERIVED FROM THROMBIN-TREATED STEM CELL Non-Final OA SAMSUNG LIFE PUBLIC WELFARE FOUNDATION
17429215 PHARMACEUTICAL COMPOSITION FOR PREVENTING IN-STENT RESTENOSIS Non-Final OA Nipro Corporation
18043507 METHOD OF PRODUCING THREE-DIMENSIONAL TISSUE BODY AND THREE-DIMENSIONAL TISSUE BODY Non-Final OA OSAKA UNIVERSITY
17251587 USE OF FIBROBLASTS AND/OR MODIFIED FIBROBLASTS FOR THREE DIMENSIONAL TISSUE PRINTING Non-Final OA Figene, LLC
17761677 GENE THERAPY COMPOSITION AND TREATMENT OF RIGHT VENTRICULAR ARRYTHMOGENIC CARDIOMYOPATHY Non-Final OA UCL BUSINESS LTD
17044779 NANOPARTICLES FOR GENE EXPRESSION AND USES THEREOF Non-Final OA Fred Hutchinson Cancer Center
17461094 USE OF ENDOTHELIAL PROGENITOR CELLS IN REJUVENATING THE MICROVASCULATURE, PREVENTING AGING AND TREATING AGE-RELATED DISEASES Non-Final OA SHENZHEN UNIVERSITY
18183900 THERAPEUTIC REGENERATIVE CELLS Non-Final OA CREATIVE MEDICAL TECHNOLOGIES, INC.
18140060 Bos GRUNNIENSLNC4047 AND APPLICATION THEREOF Non-Final OA LANZHOU INSTITUTE OF HUSBANDRY AND PHARMACEUTICAL SCIENCES OF CAAS.
17543911 COMPOSITION FOR TREATING INFLAMMATORY DISEASE INDUCED BY HYPERIMMUNE RESPONSE Final Rejection KOLON TISSUEGENE, INC.
18130555 HUMAN UMBILICAL CORD COMPOSITION FOR TREATMENT OF PEYRONIE'S DISEASE Final Rejection BioStem Technologies, Inc.
18174853 METHOD FOR PRODUCING CARTILAGE CELLS INDUCED TO BE DIFFERENTIATED FROM STEM CELLS Non-Final OA YiPCELL Inc.
18016513 METHOD OF CULTURING STEM CELLS Non-Final OA SHANGHAI WOLWO STEM CELL TECHNOLOGY CO., LTD.
17143795 MICROFABRICATED DEVICES AND HIGH THROUGHPUT ASSAYS FOR MODULATORS OF CELL BEHAVIOR Final Rejection NOVOHEART INTERNATIONAL LIMITED
17985365 NOVEL ANUCLEATED CELLS AS A SOURCE FOR TREATMENT OF PLATELET RICH PLASMA DEPENDENT DISORDERS Non-Final OA Stellular Bio, Inc.
17423044 A NOVEL CD16+ NATURAL KILLER CELL AND A METHOD OF CULTURING CD16+ NATURAL KILLER CELL Non-Final OA Acepodia Biotechnologies Ltd.
17779326 3D HUMAN LIVER ORGAN MODEL CONSTRUCTING METHOD, 3D HUMAN LIVER ORGAN MODEL AND USE THEREOF Non-Final OA BEIJING DAXIANG BIOTECH CO., LTD
17771431 METHODS AND APPARATUS FOR MEASURING IMMUNE MEDIATED TUMOROID RESPONSES Non-Final OA VITROSCAN B.V.
17430652 Use of Haploid Embryonic Cells to Generate Offspring with Predetermined Genomes Non-Final OA UNIVERSITÉ DE MONTRÉAL
17582609 Methods of Cell Renewal Non-Final OA CarryGenes Bioengineering, LLC
17602936 COMPOSITIONS AND METHODS FOR ADMINISTRATION OF THERAPEUTICS Non-Final OA Encoded Therapeutics, Inc.
17430623 CRYOPRESERVATION OF STEM CELLS Non-Final OA TiGenix, S.A.U.
17289198 USE OF AN EGG GRAFTED WITH TUMOR CELLS IN ORDER TO STUDY THE ANTI-CANCER EFFECTIVENESS OF IMMUNE THERAPIES IN THE ABSENCE OF IMMUNE EFFECTOR CELLS OTHER THAN THOSE IN THE GRAFTED EGG Final Rejection INOVOTION
17268023 COMPOSITION FOR IMPROVED BONE FRACTURE HEALING Non-Final OA CORTHOTEC LTD
15766792 NEURAL PRECURSOR CELL POPULATIONS AND USES THEREOF Final Rejection Neurona Therapeutics Inc.

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