Prosecution Insights
Last updated: April 19, 2026

Examiner: BARRON, SEAN C

Tech Center 1600 • Art Units: 1653

This examiner grants 53% of resolved cases

Performance Statistics

53.4%
Allow Rate
-6.6% vs TC avg
673
Total Applications
+31.6%
Interview Lift
1339
Avg Prosecution Days
Based on 605 resolved cases, 2023–2026

Rejection Statute Breakdown

6.2%
§101 Eligibility
16.0%
§102 Novelty
43.6%
§103 Obviousness
22.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17770281 COMPOSITIONS AND METHODS FOR ENHANCING DIFFERENTIATION OF STEM CELL-DERIVED BETA CELLS Final Rejection President and Fellows of Harvard College
18059135 COMPOSITIONS OF ADENOSINE DEAMINASE-2 (ADA2), VARIANTS THEREOF AND METHODS OF USING SAME Final Rejection Halozyme, Inc.
18255307 AMNIOTIC MEMBRANE FOR MYOCARDIAL REPAIR Non-Final OA The Regents of the University of California
17778393 CULTURES OF AND METHODS OF MANUFACTURING SQUAMOUS CELL CARCINOMA CELLS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
16604979 CHITINASE ADMINISTRATION TO THE AIRWAY TO TREAT INFLAMMATION AND AGE-RELATED PULMONARY FIBROSIS Non-Final OA The Regents of the University of California
17442489 AMYLASE ENZYMES Non-Final OA BASF SE
18241564 LEAN PERFUSION CELL CULTURE METHODS Non-Final OA AMGEN INC.
18575437 FLUID SHEAR STRESS FOR EX VIVO ACTIVATION OF IMMUNE EFFECTOR CELLS Non-Final OA Vanderbilt University
16634076 METHOD FOR ISOLATING EXTRACELLULAR VESICLE USING HYDROPHOBIC INTERACTION Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18063001 Engineered 3D-Printed Artificial Axons Final Rejection Massachusetts Institute of Technology
17440618 CONTROL OF NITROGEN FIXATION IN RHIZOBIA THAT ASSOCIATE WITH CEREALS Non-Final OA Massachusetts Institute of Technology
17906490 SARS-COV2-SPECIFIC T CELL COMPOSITIONS AND THEIR USE IN TREATING AND PREVENTING CORONAVIRUS AND OTHER RESPIRATORY VIRUS INFECTIONS Final Rejection Baylor College of Medicine
18700200 GIANT ORGANELLES RECOVERY AND USE THEREOF Non-Final OA UNIVERSITÉ PARIS CITÉ
14397657 Methods and Compositions for Generating Pancreatic Progenitors and Functional Beta Cells from hPSCs Final Rejection University Health Network
18568589 PRE-EPICARDIAL CELLS AND USES THEREOF Non-Final OA The General Hospital Corporation
17781279 Nerve Xenografts and Related Methods Final Rejection The General Hospital Corporation
18742024 Methods of Detecting Bacteria in Urine Final Rejection IDEXX LABORATORIES, Inc.
16906111 DECELLULARIZED TISSUE Non-Final OA ADEKA CORPORATION
16713772 DECELLULARIZED TISSUE Non-Final OA ADEKA CORPORATION
17394008 MESENCHYMAL CELL-DERIVED EXOSOMES TO TREAT NEUROLOGICAL DISORDERS Final Rejection RAMOT AT TEL-AVIV UNIVERSITY LTD.
18926991 SOFT TISSUE REPAIR ALLOGRAFTS AND METHODS FOR PREPARING SAME Final Rejection Musculoskeletal Transplant Foundation
17761121 PROLONGED FUNCTION OF LIVER ORGANOIDS BY 3D COCULTURING OF HEPATIC LINAGE CELLS AS AN IN VITRO MODEL FOR THE STUDY OF LIVER DISEASE Final Rejection THE TRUSTEES OF INDIANA UNIVERSITY
17776164 MATRICES FOR CELL CULTURE Non-Final OA AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
17625665 COMPOSITIONS AND METHODS FOR CLEARING TISSUE Non-Final OA The University of Hong Kong
17761879 Cell Culture Media Tablets and Methods of Manufacture Non-Final OA LIFE TECHNOLOGIES CORPORATION
18582581 IN SITU EXPANSION OF ENGINEERED DEVICES FOR REGENERATION Non-Final OA Trustees of Boston University
18763509 COMPOSITIONS AND METHODS FOR PRODUCING CLOSTRIDIAL COLLAGENASES Non-Final OA Endo Biologics Limited
18762269 GENERATION OF GLUCOSE-RESPONSIVE BETA CELLS Non-Final OA University of Copenhagen
17426827 Means and Methods to Overrule Glucose-Mediated Repression of Respiration in Yeast Non-Final OA KATHOLIEKE UNIVERSITEIT LEUVEN, K.U.LEUVEN R&D
17755275 FIBROBLAST-DERIVED UNIVERSAL IMMUNOLOGICAL COMPOSITION Final Rejection FIGENE, LLC

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