Prosecution Insights
Last updated: May 29, 2026

Examiner: ROGERS, ERIC JASON

Tech Center 1600 • Art Units: 1631 1638

This examiner grants 59% of resolved cases

Performance Statistics

59.2%
Allow Rate
-0.8% vs TC avg
141
Total Applications
+28.6%
Interview Lift
1397
Avg Prosecution Days
Based on 98 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
3.5%
§102 Novelty
55.8%
§103 Obviousness
10.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17611511 MPS MODIFIED PEPTIDES AND USE THEREOF Final Rejection The Regents of the University of California
17783473 USE OF POLYVINYL ALCOHOL FOR CELL CULTURE OF IMMUNE CELLS Non-Final OA The Board of Trustees of the Leland Stanford Junior University
16985432 CHIMERIC ANTIGEN RECEPTORS FOR TREATMENT OF NEURODEGENERATIVE DISEASES AND DISORDERS Final Rejection THE TRUSTEES OF DARTMOUTH COLLEGE
17916683 METHODS TO ENRICH ENTEROENDOCRINE CELLS AND THEIR SUBTYPES IN THE CONTIGUOUS, INTESTINAL MONOLAYER SYSTEMS Non-Final OA University of Washington
17042007 USE OF EXOSOMES FOR TARGETED DELIVERY OF THERAPEUTIC AGENTS Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
17924040 METHODS AND COMPOSITIONS FOR MAKING AND USING ENDOCARDIAL CELLS Non-Final OA University Health Network
17908585 METHOD FOR NATURAL KILLER CELL EXPANSION Non-Final OA ACADEMIA SINICA
17323715 GENERATION OF HOXA-EXPRESSING HEMOGENIC ENDOTHELIUM WITH ENHANCED T CELL POTENTIAL FROM HPSCS Non-Final OA Wisconsin Alumni Research Foundation
17429391 GENETICALLY MODIFIED HEMATOPOIETIC STEM AND PROGENITOR CELLS (HSPCS) AND MESENCHYMAL CELLS AS A PLATFORM TO REDUCE OR PREVENT METASTASIS, TREAT AUTOIMMUNE AND INFLAMMATORY DISORDERS, AND REBALANCE THE IMMUNE MILIEU AND DYSREGULATED NICHES Non-Final OA The United States of America,as represented by the Secretary,Department of Health and Human Services
17755732 CUSTOMIZABLE 3D CELL CULTURE SYSTEM COMPRISING HYDROGEL-EMBEDDED CELLS AND USES THEREOF Final Rejection THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING/MCGILL UNIVERSITY
18004151 COMPOSITIONS AND METHODS FOR CELLULAR REPROGRAMMING USING CIRCULAR RNA Non-Final OA ElevateBio Technologies, Inc.
18284129 METHOD FOR PRODUCING OVARIAN SOMATIC CELL-LIKE CELLS, AND METHOD FOR INDUCING DIFFERENTIATION OF PRIMATE PLURIPOTENT STEM CELLS INTO OVARIAN SOMATIC CELL-LIKE CELLS Non-Final OA KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
18018787 IN VITRO DIFFERENTIATION OF PANCREATIC ENDOCRINE CELLS Non-Final OA VERTEX PHARMACEUTICALS INCORPORATED
18006684 COMPOSITION FOR PREVENTING HEARING LOSS CONTAINING MESENCHYMAL STEM CELLS OR EXOSOMES DERIVED THEREFROM AS ACTIVE INGREDIENT Non-Final OA UNIVERSITY INDUSTRY FOUNDATION, YONSEI UNIVERSITY WONJU CAMPUS
18278343 MANUFACTURING METHOD OF ARTIFICIAL SKIN USING CELLS DIFFERENTIATED FROM INDUCED PLURIPOTENT STEM CELLS Non-Final OA CLECELL, CO. LTD.
17606414 COMPOSITIONS USEFUL FOR TREATMENT OF POMPE DISEASE Non-Final OA Amicus Therapeutics, Inc.
17292296 USE OF ECM1 GENE-KNOCKOUT MOUSE IN SCREENING OF ANTI-HEPATIC FIBROSIS DRUG Final Rejection CENTER FOR EXCELLENCE IN MOLECULAR CELL SCIENCE, CHINESE ACADEMY OF SCIENCES
17600928 CRYOPRESERVATION AND CELL CULTURE MEDIA Final Rejection Akron BioProducts LLC
18034780 METHOD FOR THE GENERATION OF NEUROSPHERES Non-Final OA KUGELMEIERS LTD.
18031877 CHEMICAL CULTURE SYSTEM AND USE THEREOF Non-Final OA IREGENE THERAPEUTICS LTD
17999288 SERUM-FREE INDUCTION METHOD FOR SENSORY NEURON CELL Non-Final OA IREGENE THERAPEUTICS LTD
18296158 BIOINK CONTAINING SELF-ASSEMBLING PEPTIDES Non-Final OA L’ECOLE SUPERIEURE DE CHIMIE, PHYSIQUE, ELECTRONIQUE DE LYON (CPE Lyon)
17768610 End-to-End Platform for Human Pluripotent Stem Cell Manufacturing Non-Final OA LONZA WALKERSVILLE, Inc.
18246744 COMPOSITIONS AND METHODS FOR INCREASING STEM CELL FUNCTION Non-Final OA LUDWIG INSTITUTE FOR CANCER RESEARCH LTD
17926374 POLYPEPTIDE USEFUL IN ADOPTIVE CELL THERAPY Non-Final OA QUELL THERAPEUTICS LIMITED
17762908 METHOD FOR INDUCING HEPATOCYTE PLASTICITY Final Rejection Public University Corporation Yokohama City University
17761838 IMMUNOCYTOKINE COMPRISING HETERODYMERIC PROTEIN COMPLEX BASED ON IL-15/IL-15RA Final Rejection JOINT STOCK COMPANY "BIOCAD"
16903975 MITOCHONDRIAL TREATMENT OF ORGANS FOR TRANSPLANTATION Non-Final OA United Therapeutics Corporation
17800307 METHOD FOR CULTURING CELLS DERIVED FROM EPITHELIAL TISSUE, AND COMPOSITION CONTAINING CELLS CULTURED BY SAID CULTURE METHOD Non-Final OA GN Corporation Co Ltd
17767176 A MAMMALIAN-AVIAN CHIMERIC MODEL SYSTEM Final Rejection INNOVO MIMETICS LIMITED

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