Prosecution Insights
Last updated: August 18, 2026

Examiner: VIVLEMORE, TRACY ANN

Tech Center 4100 • Art Units: 1600 1631 1635 1638 1674 1687 4100 4151

This examiner grants 73% of resolved cases

Performance Statistics

73.0%
Allow Rate
+13.0% vs TC avg
810
Total Applications
+6.7%
Interview Lift
1036
Avg Prosecution Days
Based on 725 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
19.6%
§102 Novelty
33.5%
§103 Obviousness
24.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17261790 COMPOSITIONS AND METHODS INVOLVING TRANSFORMING EXTRACELLULAR VESICLES Non-Final OA MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
18141278 COMPOSITION AND METHODS OF GENOME EDITING OF B-CELLS Final Rejection DANA-FARBER CANCER INSTITUTE, INC.
17687246 COMPOSITION AND METHODS OF GENOME EDITING OF B-CELLS Final Rejection DANA-FARBER CANCER INSTITUTE, INC.
18290257 PRODUCTION OF ENGINEERED T CELLS FROM STEM 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 Final Rejection The Regents of the University of California
18413096 RODENTS HAVING A HUMANIZED TMPRSS GENE Non-Final OA Regeneron Pharmaceuticals, Inc.
17775236 METHODS AND COMPOSITIONS RELATING TO SELECTIVE INTRACELLULAR DELIVERY OF CD38 INHIBITORS Final Rejection Ohio State Innovation Foundation
16598833 COMPOSITION FOR AND METHOD OF FACILITATING CORNEAL TISSUE REPAIR Non-Final OA OHIO STATE INNOVATION FOUNDATION
18517703 ENGINEERED LIGHT-SENSITIVE PROTEINS Non-Final OA California Institute of Technology
17767856 ONCOLYTIC VIRUSES THAT EXPRESS MULTI-SPECIFIC IMMUNE CELL ENGAGERS Non-Final OA Arizona Board of Regents on Behalf of Arizona State University
18286923 MATERIALS AND METHODS FOR NEUROFIBROMIN 2/MERLIN (NF2) GENE THERAPY Non-Final OA RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
18449940 DEAD GUIDES FOR CRISPR TRANSCRIPTION FACTORS Non-Final OA Massachusetts Institute of Technology
18653847 ONCOLYTIC VIRUSES AND METHODS OF USE THEREOF FOR THE TREATMENT OF CANCER Non-Final OA The Board of Regents of The University of Texas System
18602622 GENE THERAPY FOR TUBEROUS SCLEROSIS Non-Final OA The General Hospital Corporation
18061633 GENE THERAPY FOR OCULAR DISORDERS Non-Final OA The Trustees of the University of Pennsylvania
17904899 TREATING AUTOSOMAL DOMINANT BESTROPHINOPATHIES AND METHODS FOR EVALUATING SAME Final Rejection The Trustees of the University of Pennsylvania
17904903 TREATING AUTOSOMAL RECESSIVE BESTROPHINOPATHIES AND METHODS FOR EVALUATING SAME Final Rejection The Trustees of the University of Pennsylvania
17097997 COMPOSITIONS FOR DRG-SPECIFIC REDUCTION OF TRANSGENE EXPRESSION Non-Final OA The Trustees of the University of Pennsylvania
17046253 Methods And Compositions Comprising A Viral Vector For Expression Of A Transgene And An Effector Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18340417 GENOME-EDITED INVARIANT NATURAL KILLER T (INKT) CELLS FOR THE TREATMENT OF HEMATOLOGIC MALIGNANCIES Non-Final OA Washington University
18137267 DEFINED MATRIX FOR THE DIFFERENTIATION OF ISLETS Final Rejection Washington University
18282694 SPONTANEOUS RESPIRATORY BIOMATERIAL FOR TISSUE ENGINEERING Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
18009245 TARGETING OF LACTATE DEHYDROGENASE C, METHODS OF PREPARING SAME, AND METHODS OF USING SAME IN COMBINATION WITH ANTI-CANCER TREATMENTS Final Rejection QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENT
18595527 AAV2-MEDIATED GENE DELIVERY OF SFASL AS A NEUROPROTECTIVE THERAPY IN GLAUCOMA Non-Final OA Massachusetts Eye and Ear Infirmary
17910459 DUAL-TARGETING CHIMERIC ANTIGEN RECEPTOR MODIFIED T CELLS COMPRISING IL-13 AND CHLOROTOXIN FOR CANCER TREATMENT Non-Final OA City of Hope
18567470 Tissue Extracts and Related Methods Final Rejection ALLOSOURCE
17783463 Compositions and Methods of Treating Cancer with Chimeric Antigen Receptors Targeting Glypican 3 Final Rejection MEDIMMUNE, LLC
18009320 CHIMERIC ANTIGEN RECEPTOR CELL Non-Final OA UCL Business Ltd
17217612 Transcription Factor Trapping by RNA in Gene Regulatory Elements Final Rejection Whitehead Institute for Biomedical Research

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