Prosecution Insights
Last updated: April 19, 2026

Examiner: DHAR, MATASHA

Tech Center 1600 • Art Units: 1632

This examiner grants 46% of resolved cases

Performance Statistics

45.6%
Allow Rate
-14.4% vs TC avg
135
Total Applications
+51.9%
Interview Lift
1292
Avg Prosecution Days
Based on 79 resolved cases, 2023–2026

Rejection Statute Breakdown

3.9%
§101 Eligibility
16.1%
§102 Novelty
35.7%
§103 Obviousness
35.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18012064 PROGRAMMABLE ORGANOIDS AND METHODS OF PRODUCING THE SAME VIA ORTHOGONAL DIFFERENTIATION AND BIOPRINTING Non-Final OA President and Fellows of Harvard College
17025836 GENERATION OF HUMAN iPS CELLS BY A SYNTHETIC SELF-REPLICATIVE RNA Non-Final OA The Regents of the University of California
18022538 METHOD FOR SCREENING IN VITRO POPULATION OF STEM CELL DERIVED BETA LIKE CELLS AND NOVEL MARKERS THEREOF Non-Final OA Novo Nordisk A/S
17920069 NON-HUMAN ANIMALS HAVING A HUMANIZED CXCL13 GENE Final Rejection Regeneron Pharmaceuticals, Inc.
18310039 ENGINEERED BI-STABLE TOGGLE SWITCH AND USES THEREOF Final Rejection Massachusetts Institute of Technology
17995043 METHOD FOR SEPARATING PITUITARY HORMONE-PRODUCING CELLS AND PROGENITOR CELLS THEREOF Final Rejection National University Corporation Tokai National Higher Education and Research System
17288628 SYSTEMS AND BREEDING METHODS FOR PEST CONTROL Final Rejection REGENTS OF THE UNIVERSITY OF MINNESOTA
17922731 USE OF CD34 AS A MARKER FOR SINOATRIAL NODE-LIKE PACEMAKER CELLS Non-Final OA UNIVERSITY HEALTH NETWORK
17371017 MYBPC3 POLYPEPTIDES AND USES THEREOF Non-Final OA Children's Medical Center Corporation
17633321 Engineered CRISPR/Cas9 Systems for Simultaneous Long-term Regulation of Multiple Targets Non-Final OA The Penn State Research Foundation
17040951 ENGINEERED IMMUNE EFFECTOR CELLS AND USE THEREOF Non-Final OA FATE THERAPEUTICS, INC.
18001277 TREM2 CHIMERIC RECEPTOR Non-Final OA KING'S COLLEGE LONDON
18171862 METHOD FOR PRODUCING THREE-DIMENSIONAL CELL STRUCTURE, AND THREE-DIMENSIONAL CELL STRUCTURE Non-Final OA TOPPAN Inc.
17310051 FIBROBLASTS AND MICROVESICLES THEREOF FOR REDUCTION OF TOXICITY ASSOCIATED WITH CANCER IMMUNOTHERAPY Non-Final OA Figene, LLC
18038734 EFFICIENT AND RAPID SPECIFICATION OF SPINAL NEURONAL SUBTYPES FROM HUMAN PLURIPOTENT STEM CELLS Non-Final OA UNIVERSITÉ PARIS-SACLAY
17666390 CRISPR/CAS-RELATED METHODS AND COMPOSITIONS FOR TREATING SICKLE CELL DISEASE Non-Final OA EDITAS MEDICINE, INC.
18528100 METHODS AND COMPOSITIONS FOR INDUCING TUMOR CELL DEATH Non-Final OA Stitch Bio, LLC
17915637 CELL Final Rejection AUTOLUS LIMITED
18513797 CELL PRESERVATION SOLUTION, PREPARATION METHOD FOR SAME, AND APPLICATIONS THEREOF Non-Final OA JIANGSU RENOCELL BIOTECH CO., LTD.
16826102 METHODS FOR ENHANCING TCRab+ CELL DEPLETION EFFICIENCY Non-Final OA Allogene Therapeutics, Inc.
17049218 GROWTH INHIBITOR Final Rejection Orizuru Therapeutics, Inc.
17614737 ANIMAL MODEL OF IDIOPATHIC PULMONARY FIBROSIS, ITS CONSTRUCTION METHOD AND USE Final Rejection National Institute of Biological Sciences, Beijing
18019754 SPHEROID GENERATOR, SPHEROID CULTURE KIT, AND SPHEROID CULTURE METHOD Non-Final OA RESEARCH AND BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
18002634 CELL CONSTRUCT COMPRISING SCHWANN CELLS OR SCHWANN CELL-LIKE CELLS AND A BIOCOMPATIBLE MATRIX Non-Final OA FACHHOCHSCHULE TECHNIKUM WIEN
18001159 EDIBLE AND STERILIZABLE POROUS 3D SCAFFOLD AND USES THEROF Non-Final OA BIOTECH FOODS S.L.
17927365 AXIAL STEM CELLS, METHODS OF PRODUCING AND USES THEREOF Non-Final OA HELMHOLTZ ZENTRUM MUNCHEN - DEUTSCHES FORSCHUNGSZENTRUM FUR GESUNDHEIT UND UMWELT (GMBH)
17465425 CELL MICROSHEET, SYRINGE CONTAINING THE CELL MICROSHEET, AND PRODUCTION AND USE OF THE CELL MICROSHEET Non-Final OA CellSeed Inc.
17800958 METHODS AND COMPOSITIONS FOR MODULATING ARGININE LEVELS IN IMMUNE CELLS Non-Final OA Sky Perfect International Limited
17487169 NEUROD1 and DLX2 VECTOR Non-Final OA NeuExcell Therapeutics Inc.
17257221 METHOD FOR IN VITRO REPROGRAMMING OF FIBROBLASTS INTO SERTOLI CELLS AND APPLICATION THEREOF Final Rejection EVERLIFE BIOMED CO. LTD.

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