Prosecution Insights
Last updated: August 18, 2026

Examiner: EBBINGHAUS, BRIANA NOEL

Tech Center 1600 • Art Units: 1632

This examiner grants 63% of resolved cases

Performance Statistics

62.9%
Allow Rate
+2.9% vs TC avg
116
Total Applications
+61.6%
Interview Lift
1412
Avg Prosecution Days
Based on 70 resolved cases, 2023–2026

Rejection Statute Breakdown

5.4%
§101 Eligibility
16.6%
§102 Novelty
31.8%
§103 Obviousness
33.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17920599 STEM CELL DERIVED SINGLE-ROSETTE BRAIN ORGANOIDS AND RELATED USES THEROF Non-Final OA The Regents of the University of Michigan
17429452 GENETICALLY MODIFIED GAMMA DELTA T CELLS AND METHODS OF MAKING AND USING Non-Final OA Regents of the University of Minnesota
19259714 HUMAN SPINAL CORD INJURY ORGANOIDS Non-Final OA Northwestern University
18735858 HUMAN SPINAL CORD INJURY ORGANOIDS Non-Final OA Northwestern University
18249865 NUCLEIC ACID-GUIDED NUCLEASES AND USE THEREOF Non-Final OA MASSACHUSETTS INSTITUTE OF TECHNOLOGY
18000414 LARGE-SCALE PRODUCTION OF EXOSOMES FROM PRIMED MESENCHYMAL STROMAL CELLS FOR CLINICAL USE Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
17755881 NATURAL KILLER CELL IMMUNOTHERAPY FOR THE TREATMENT OF GLIOBLASTOMA AND OTHER CANCERS Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
17433812 MESOPOROUS SILICA PARTICLES COMPOSITIONS FOR VIRAL DELIVERY Non-Final OA Novartis AG
17631478 DIMETHYLMONOTHIOARSINIC ACID-INDUCED MALIGNANTLY TRANSFORMED CELL LINE OF HUMAN KERATINOCYTES AND USE THEREOF Final Rejection SOOCHOW UNIVERSITY
18000603 METHODS FOR EXPANDING HEMATOPOIETIC STEM CELLS Non-Final OA Cornell University
18021685 EXPANSION CULTURE MEDIUM AND CULTURE METHOD FOR NEURAL CELLS Final Rejection BEIJING INSTITUTE FOR STEM CELL AND REGENERATIVE MEDICINE

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