Prosecution Insights
Last updated: May 29, 2026

Examiner: O'NEILL, MARISOL ANN

Tech Center 1600 • Art Units: 1633

This examiner grants 52% of resolved cases

Performance Statistics

52.2%
Allow Rate
-7.8% vs TC avg
49
Total Applications
+64.7%
Interview Lift
1225
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
1.3%
§102 Novelty
97.5%
§103 Obviousness
1.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18011704 ENGINEERED REPRODUCTIVE ISOLATION IN ANIMALS Final Rejection The Regents of the University of California
17267699 Expansion of TILs from Cryopreserved Tumor Samples Final Rejection Iovance Biotherapeutics, Inc.
17797633 METHOD OF TREATING GENE THERAPY ASSOCIATED TOXICITY WITH ANTIBIOTICS Non-Final OA ASKBIO INC.
18351561 THREE-DIMENSIONAL CULTURE SYSTEM FOR GENERATING CARDIAC SPHEROIDS Non-Final OA THE UAB RESEARCH FOUNDATION
17907187 MUSCLE TISSUE PRODUCED BY BIOPRINTING Final Rejection OSAKA UNIVERSITY
18041873 Use of Amylase or Maltose to Treat or Prevent Neurodegeneration Final Rejection St. Jude Children's Research Hospital, Inc.
17759308 METHOD FOR MANUFACTURING INDUCED PLURIPOTENT STEM CELLS Non-Final OA Koji TANABE
18409015 PREPARATION METHOD AND USE OF HYDROGEL MATERIAL FOR GROWTH OF BLOOD VESSEL ORGANOIDS Non-Final OA Union Hospital Tongji Medical College HUST
17743069 COMPOSITIONS AND METHODS OF REPROGRAMMING T CELLS TO TREAT DISEASE Non-Final OA MedicaMetrix, Inc.
17924811 DUAL PROMOTER SYSTEMS Non-Final OA Seattle Children's Hospital (dba Seattle Children's Research Institute)
18271112 MEDIUM FOR CULTURING AND EXPANDING NEPHRON PROGENITOR CELLS, METHOD FOR CULTURING AND EXPANDING NEPHRON PROGENITOR CELLS, AND METHOD FOR PRODUCING RENAL ORGANOIDS Non-Final OA Rege Nephro Co., Ltd.
17909113 GENE THERAPY Final Rejection THE UNIVERSITY OF BRISTOL
17920711 GENE EDITING OF LRRK2 IN STEM CELLS AND METHOD OF USE OF CELLS DIFFERENTIATED THEREFROM Non-Final OA Aspen Neuroscience, Inc.

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