Prosecution Insights
Last updated: April 19, 2026

Examiner: HILL, KEVIN KAI

Tech Center 1600 • Art Units: 1631 1633 1638 1687

This examiner grants 36% of resolved cases

Performance Statistics

36.0%
Allow Rate
-24.0% vs TC avg
920
Total Applications
+33.7%
Interview Lift
1311
Avg Prosecution Days
Based on 845 resolved cases, 2023–2026

Rejection Statute Breakdown

5.8%
§101 Eligibility
20.1%
§102 Novelty
33.6%
§103 Obviousness
29.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17800872 IN-SERIES SYNTHETIC RECEPTOR AND-GATE CIRCUITS FOR EXPRESSION OF A THERAPEUTIC PAYLOAD BY ENGINEERED CELLS Non-Final OA The Regents of the University of California
17777741 COMPOSITIONS AND METHODS OF USING ENGINEERED FUSION PROTEINS THAT BIND G4C2 HUMAN REPEATS Non-Final OA The Regents of the University of California
17775236 METHODS AND COMPOSITIONS RELATING TO SELECTIVE INTRACELLULAR DELIVERY OF CD38 INHIBITORS Final Rejection Ohio State Innovation Foundation
17786347 COMPOSITIONS AND METHODS FOR THE TREATMENT OF HEMOGLOBINOPATHIES Non-Final OA Novartis AG
17261790 COMPOSITIONS AND METHODS INVOLVING TRANSFORMING EXTRACELLULAR VESICLES Final Rejection MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
18449940 DEAD GUIDES FOR CRISPR TRANSCRIPTION FACTORS Non-Final OA Massachusetts Institute of Technology
18141278 COMPOSITION AND METHODS OF GENOME EDITING OF B-CELLS Non-Final OA DANA-FARBER CANCER INSTITUTE, INC.
17687246 COMPOSITION AND METHODS OF GENOME EDITING OF B-CELLS Non-Final OA DANA-FARBER CANCER INSTITUTE, INC.
17774848 METHOD FOR PRODUCING CYTOTOXIC EFFECTOR MEMORY T-CELLS FOR CAR T-CELL TREATMENT OF CANCER Final Rejection BAYLOR COLLEGE OF MEDICINE
18567470 Tissue Extracts and Related Methods Non-Final OA ALLOSOURCE
18008422 USE OF RECOMBINANT HUMAN ACID SPHINGOMYELINASE TO IMPROVE SKELETAL MYOFIBER REPAIR Final Rejection CHILDREN'S NATIONAL MEDICAL CENTER
17056749 IMPROVED CELL THERAPY COMPOSITIONS FOR HEMATOPOIETIC STEM CELL TRANSPLANT PATIENTS Non-Final OA CHILDREN'S NATIONAL MEDICAL CENTER
18061633 GENE THERAPY FOR OCULAR DISORDERS Final Rejection The Trustees of the University of Pennsylvania
17904899 TREATING AUTOSOMAL DOMINANT BESTROPHINOPATHIES AND METHODS FOR EVALUATING SAME Non-Final OA The Trustees of the University of Pennsylvania
17097997 COMPOSITIONS FOR DRG-SPECIFIC REDUCTION OF TRANSGENE EXPRESSION Final Rejection The Trustees of the University of Pennsylvania
17905407 CRISPR/CAS9 SYSTEM FOR MULTISTRAIN HIV-1 TREATMENT Final Rejection Board of Regents of the University of Nebraska
19031042 METHODS FOR THE TREATMENT OF B CELL MALIGNANCIES USING ADOPTIVE CELL THERAPY Non-Final OA Fred Hutchinson Cancer Center
17842225 METHODS FOR TREATING EYE DISEASE Non-Final OA The United States Government as Represented by the Department of Veterans Affairs
17756138 AKT INHIBITORS FOR ENHANCING CHIMERIC T CELL PERSISTENCE Final Rejection H. Lee Moffitt Cancer Center and Research Institute, Inc.
17907121 Targeted Destruction of Viral RNA by CRISPR-Cas13 Non-Final OA University of Rochester
17776569 COMPOSITIONS AND USES THEREOF FOR TREATING, PROGNOSING AND DIAGNOSING PULMONARY HYPERTENSION Non-Final OA UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
17822942 INTRACELLULAR DELIVERY OF COMPLEXES Final Rejection STEMCELL TECHNOLOGIES CANADA INC.
17910459 DUAL-TARGETING CHIMERIC ANTIGEN RECEPTOR MODIFIED T CELLS COMPRISING IL-13 AND CHLOROTOXIN FOR CANCER TREATMENT Non-Final OA City of Hope
17612465 COMPOSITIONS AND METHODS FOR THE TREATMENT OF DBA USING GATA1 GENE THERAPY Non-Final OA THE CHILDREN'S MEDICAL CENTER CORPORATION
17837093 THERAPEUTIC CELL COMPOSITIONS AND METHODS OF MANUFACTURING AND USE THEREOF Final Rejection CREATE Medicines, Inc.
17648247 METHODS FOR MODULATING THE FUNCTION OF BIOLOGICAL REGULATORY NETWORKS IN HEALTH AND DISEASE BY EXPLOITING THEIR MEMORY PROPERTIES Non-Final OA Trustees of Tufts College
18018635 Immune Cells Defective for SOCS1 Non-Final OA Institut National de la Santé et de la Recherche Médicale
17217612 Transcription Factor Trapping by RNA in Gene Regulatory Elements Final Rejection Whitehead Institute for Biomedical Research
16631861 METHODS AND COMPOSITIONS FOR TREATING ADDICTIONS Final Rejection BAR ILAN UNIVERSITY
18537754 SELECTION BY ESSENTIAL-GENE KNOCK-IN Non-Final OA Editas Medicine, Inc.

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