Prosecution Insights
Last updated: April 19, 2026

Examiner: REGLAS, GILLIAN CHELSEA

Tech Center 1600 • Art Units: 1632

This examiner grants 25% of resolved cases

Performance Statistics

25.0%
Allow Rate
-35.0% vs TC avg
101
Total Applications
+60.6%
Interview Lift
1273
Avg Prosecution Days
Based on 48 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
15.3%
§102 Novelty
38.5%
§103 Obviousness
31.3%
§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
18012959 METHOD FOR PREPARING COMPOSITION FOR CULTURING PANCREATIC ORGANOIDS, COMPOSITION THEREFOR, AND METHOD FOR CULTURING ORGANOIDS BY USING SAME Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18176959 PRODUCTION METHOD FOR MICROGLIA Final Rejection RICOH COMPANY, LTD.
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
17044779 NANOPARTICLES FOR GENE EXPRESSION AND USES THEREOF Non-Final OA Fred Hutchinson Cancer Center
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
17421908 COMPOSITIONS AND METHODS FOR TREATMENT OF A MALABSORPTIVE DISORDER Final Rejection CHILDREN'S HOSPITAL MEDICAL CENTER
17435943 CULTURE MEDIUM FOR MAMMALIAN EXPANDED POTENTIAL STEM CELLS, COMPOSITION, AND METHODS THEREOF Final Rejection THE UNIVERSITY OF HONG KONG
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
17461094 USE OF ENDOTHELIAL PROGENITOR CELLS IN REJUVENATING THE MICROVASCULATURE, PREVENTING AGING AND TREATING AGE-RELATED DISEASES Non-Final OA SHENZHEN UNIVERSITY
17582609 Methods of Cell Renewal Non-Final OA CarryGenes Bioengineering, LLC
17761677 GENE THERAPY COMPOSITION AND TREATMENT OF RIGHT VENTRICULAR ARRYTHMOGENIC CARDIOMYOPATHY Non-Final OA UCL BUSINESS LTD
17418203 METHOD FOR INDUCING MUSCULAR CELLS USING CELLS IN SPOT URINE Final Rejection NIPPON SHINYAKU CO., LTD.
18183900 THERAPEUTIC REGENERATIVE CELLS Non-Final OA CREATIVE MEDICAL TECHNOLOGIES, INC.
17143795 MICROFABRICATED DEVICES AND HIGH THROUGHPUT ASSAYS FOR MODULATORS OF CELL BEHAVIOR Final Rejection NOVOHEART INTERNATIONAL LIMITED
18130555 HUMAN UMBILICAL CORD COMPOSITION FOR TREATMENT OF PEYRONIE'S DISEASE Final Rejection BioStem Technologies, Inc.
18044061 METHOD FOR DIFFERENTIATING CORNEAL ENDOTHELIAL CELL-LIKE CELLS FROM PLURIPOTENT STEM CELLS Final Rejection StemSight Oy
18174853 METHOD FOR PRODUCING CARTILAGE CELLS INDUCED TO BE DIFFERENTIATED FROM STEM CELLS Non-Final OA YiPCELL Inc.
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.
17775106 PRIMARY BREAST EPITHELIAL CELL CULTURE MEDIUM, CULTURE METHOD AND USE THEREOF Non-Final OA PRECEDO PHARMACEUTICALS 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
17543911 COMPOSITION FOR TREATING INFLAMMATORY DISEASE INDUCED BY HYPERIMMUNE RESPONSE Final Rejection KOLON TISSUEGENE, INC.
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.
17260545 CRYOPRESERVATION Non-Final OA NantKwest, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month