Prosecution Insights
Last updated: August 18, 2026

Examiner: BATES, KEENAN ALEXANDER

Tech Center 1600 • Art Units: 1631

This examiner grants 45% of resolved cases

Performance Statistics

44.8%
Allow Rate
-15.2% vs TC avg
147
Total Applications
+76.5%
Interview Lift
1264
Avg Prosecution Days
Based on 67 resolved cases, 2023–2026

Rejection Statute Breakdown

4.7%
§101 Eligibility
20.4%
§102 Novelty
37.9%
§103 Obviousness
27.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17540723 OBTURATOR, METHODS OF FORMING A PREFABRICATED, INNERVATED, PRE-VASCULARIZED, PRELAMINATED (PIPP) FLAP USING AN OBTURATOR TO MAINTAIN A STOMA OR LUMEN, AND METHODS OF RESTORING DAMAGED OR SURGICALLY-REMOVED SOFT TISSUE WITH A PIPP FREE OR ROTATIONAL FLAP Final Rejection The Regents of The University of Michigan
17272203 ADENO-ASSOCIATED VIRAL VECTORS FOR THE TREATMENT OF BEST DISEASE Non-Final OA University of Florida Research Foundation, Incorporated
17281853 METHODS FOR THE EXPANSION OF MESENCHYMAL STROMAL CELLS Non-Final OA Board of Regents, The University of Texas System
17485846 METHODS AND APPARATUS FOR CONDITIONING CELL POPULATIONS FOR CELL THERAPIES Final Rejection THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
18233146 CELL EXPANSION SYSTEM Non-Final OA Terumo BCT, Inc.
18892177 METHODS FOR CREATING LINKAGE OF MULTIPLE VIRAL VECTORS FOR INTRACELLULAR DELIVERY Non-Final OA Battelle Memorial Institute
17602730 METHODS OF MAKING CHIMERIC ANTIGEN RECEPTOR-EXPRESSING CELLS Non-Final OA The Trustees of the University of Pennsylvania
17424140 MICROENVIRONMENT SENSORS TO REGULATE ENGINEERED GENE EXPRESSION Final Rejection Seattle Children's Hospital (dba Seattle Children's Research Institute)
18161467 CELLULAR REPROGRAMMING OF HUMAN ADIPOCYTES Final Rejection MIAMI UNIVERSITY
18015042 TRANSGENIC MOUSE MODELS SUPPORTING HUMAN INNATE IMMUNE FUNCTION Final Rejection The Jackson Laboratory
17740665 METHODS OF MINIMIZING NEUROTOXICITY ASSOCIATED WITH CHIMERIC ANTIGEN RECEPTOR (CAR) T CELL THERAPY Non-Final OA Legend Biotech USA Inc.

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