Prosecution Insights
Last updated: May 29, 2026

Examiner: SPENCE, JENNIFER SUZANNE

Tech Center 1600 • Art Units: 1631 1633 1634 1651

This examiner grants 66% of resolved cases

Performance Statistics

65.8%
Allow Rate
+5.8% vs TC avg
169
Total Applications
+47.7%
Interview Lift
1334
Avg Prosecution Days
Based on 114 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
2.4%
§102 Novelty
73.5%
§103 Obviousness
4.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18025719 DUAL-AAV VECTOR DELIVERY OF PCDH15 AND USES THEREOF Final Rejection President and Fellows of Harvard College
17640281 CHIMERIC ANTIGEN RECEPTORS AND RELATED METHODS AND COMPOSITIONS FOR THE TREATMENT OF CANCER Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18266689 DIFFUSION GRADIENT ASSAY FOR ANTI-CD3-CONTAINING MOLECULES Non-Final OA AMGEN INC.
16906937 METHOD FOR THE GENERATION OF A MULTIVALENT, MULTISPECIFIC ANTIBODY EXPRESSING CELLS BY TARGETED INTEGRATION OF MULTIPLE EXPRESSION CASSETTES IN A DEFINED ORGANIZATION Final Rejection Hoffmann-La Roche Inc.
18017139 M13 BACTERIOPHAGE WITH A HIGH CYSTEINE CONTENT AND GENETICALLY ENGINEERABLE HYDROGELS Non-Final OA Massachusetts Institute of Technology
18182377 METHOD FOR BUILDING CO-CULTURE MODEL FOR CACO-2/RAW-264.7 CELLS INDUCED BY LIPOPOLYSACCHARIDES AND APPLICATION OF CO-CULTURE MODEL Final Rejection ZHEJIANG UNIVERSITY OF TECHNOLOGY
19206692 METHODS, APPARATUSES AND SYSTEMS FOR INSTILLING STEM CELLS AND PHARMACEUTICALS INTO THE HUMAN VENTRICULAR SYSTEM Final Rejection Regeneration Biomedical, Inc.
17344125 METHODS, APPARATUSES AND SYSTEMS FOR INSTILLING STEM CELLS AND PHARMACEUTICALS INTO THE HUMAN VENTRICULAR SYSTEM Non-Final OA Regeneration Biomedical, Inc.
19182523 METHOD FOR DIFFERENTIATION OF OCULAR CELLS AND USE THEREOF Non-Final OA FUJIFILM Cellular Dynamics, Inc.
18042037 CONSUMABLE TISSUE-LIKE STRUCTURE GENERATED WITH MUSCLE CELLS GROWN ON EDIBLE HOLLOW FIBERS Non-Final OA Merck Patent GmbH
18662599 ALIGNMENT OF CELLS IN ENGINEERED TISSUES Non-Final OA Regents of the University of Minnesota
17756116 LARGE-SCALE COMBINED CAR TRANSDUCTION AND CRISPR GENE EDITING OF MSC CELLS Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18178736 METHODS AND MICROFLUIDIC DEVICE FOR PRODUCING EXTRACELLULAR VESICLES Non-Final OA THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
18955455 METHODS OF RECOMBINANT ADENO-ASSOCIATED VIRUS KIDNEY ADMINISTRATION Non-Final OA ASKBIO INC.
17798719 CHIMERIC ANTIGEN RECEPTOR AND USE THEREOF Final Rejection Sichuan University
17354281 METHODS AND COMPOSITIONS FOR CULTIVATING PLURIPOTENT CELL SUSPENSIONS Non-Final OA Life Technologies Corporation
17614934 THERAPEUTIC B-CELLS ENGINEERED TO EXPRESS BISPECIFIC T CELL ENGAGER ANTIBODIES Final Rejection H. Lee Moffitt Cancer Center and Research Institute, Inc.
18673148 FUNCTIONALIZED WELL PLATE, METHODS OF PREPARATION AND USE THEREOF Non-Final OA BRUKER CELLULAR ANALYSIS, INC.
17276213 VECTORS EXPRESSING COLOR AND SELECTABLE MARKERS Final Rejection THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE DEPARTMENT OF VETERANS AFFAIRS
18425997 SDC-2 EXOSOME COMPOSITIONS AND METHODS OF ISOLATION AND USE Non-Final OA Orbsen Therapeutics Limited
17757069 MODIFIED CELLS AND METHODS FOR THE TREATMENT OF HEMOGLOBINOPATHIES Final Rejection EDITAS MEDICINE, INC.
17632723 COMPOSITIONS AND METHODS OF TREATING VASCULAR DISEASES Non-Final OA Astellas Institute for Regenerative Medicine
18238509 MODELS AND METHODS FOR RAPID SCREENING OF THE EFFICACY OF IMMUNOREGULATING DRUGS Non-Final OA Shanghai Lide Biotech Co., Ltd.
17550311 METHODS AND REAGENTS FOR CHARACTERIZING CAR T CELLS FOR THERAPIES Final Rejection Allogene Therapeutics, Inc.
18259687 METHOD FOR PRODUCING REGENERATED T CELL VIA IPS CELL Non-Final OA KOTAI BIOTECHNOLOGIES, INC.
18062873 COMPOSITIONS AND METHODS FOR TREATING MESOTHELIN POSITIVE CANCERS Non-Final OA A2 Biotherapeutics, Inc.
16927304 TROPIC CELL BASED VIROTHERAPY FOR THE TREATMENT OF CANCER Non-Final OA UNIVERSITY OF ALABAMA AT BIRMINGHAM

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