Prosecution Insights
Last updated: May 29, 2026

Examiner: NGUYEN, NGHI V

Tech Center 1600 • Art Units: 1641 1653 1699

This examiner grants 54% of resolved cases

Performance Statistics

53.6%
Allow Rate
-6.4% vs TC avg
525
Total Applications
+50.4%
Interview Lift
1314
Avg Prosecution Days
Based on 483 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
8.7%
§102 Novelty
70.0%
§103 Obviousness
3.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18375035 A METHOD OF PRODUCING A CARDIOMYOCYTE SPHEROID Non-Final OA KANEKA CORPORATION
17434912 A NUTRITIONAL COMPOSITION FOR USE TO ENHANCE EXECUTIVE FUNCTION Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
17908810 METHODS AND SYSTEMS TO PRINT AND MATURE TISSUES OVER TIME IN A THREE-DIMENSIONAL SUPPORT MATRIX Non-Final OA The General Hospital Corporation
18034278 FIXATIVE COMPOSITIONS AND METHODS OF PRESERVING BIOLOGICAL SAMPLES Non-Final OA UNIVERSITY HEALTH NETWORK
18267230 METHOD FOR MASS PRODUCTION OF HIGHLY PURE, STEM CELL-DERIVED EXTRACELLULAR VESICLE BY USING PEPTIDE Non-Final OA KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
17769663 BIOLOGICALLY SYNTHESIZED HYDROXYAPATITE FOR BONE REGENERATION AND TISSUE ENGINEERING Non-Final OA BIOVENTURES, LLC
18368070 METHODS AND COMPOSITIONS FOR IN-VITRO AUGMENTATION OF MILK PRODUCTION FROM MAMMARY EPITHELIAL CELLS Non-Final OA Yissum Research Development Company of the Hebrew University of Jerusalem Ltd.
18342676 METHODS OF GENERATING MYCELIAL SCAFFOLDS AND APPLICATIONS THEREOF Non-Final OA Ecovative LLC
18310510 GENERATING ARTERIAL ENDOTHELIAL CELL POPULATIONS Non-Final OA WISCONSIN ALUMNI RESEARCH FOUNDATION
18459381 CELL CULTURE PROCESS Non-Final OA Pfizer Inc.
17560680 ENHANCED DIFFERENTIATION OF BETA CELLS Non-Final OA Vertex Pharmaceuticals Incorporated
18234470 METHODS FOR CELL EXPANSION, DIFFERENTIATION, AND/OR HARVESTING OF NATURAL KILLER CELLS USING HOLLOW-FIBER MEMBRANES Non-Final OA Terumo BCT, Inc.
18557836 METHOD FOR PRODUCING CELLS Non-Final OA Takeda Pharmaceutical Company Limited
17785009 COMPOSITION AND USE THEREOF Final Rejection MEGAKARYON CORPORATION
18556783 MESENCHYMAL STEM CELLS HAVING ENHANCED OSTEOGENIC DIFFERENTIATION CAPACITY, AND USE THEREOF Non-Final OA SUNGKWANG MEDICAL FOUNDATION
18551075 STEM CELLS FOR USE IN REDUCING THE IMMUNE RESPONSE FOLLOWING ORGAN TRANSPLANTATION Non-Final OA Amniotics AB
17771290 PROTEIN-BASED BIOMATERIAL WITH VISCOELASTIC BEHAVIOUR, PROCESS FOR OBTAINING IT AND USES THEREOF Non-Final OA INSERM - Institut National de la Santé et de la Recherche Médicale
18257515 METHOD OF TREATING PROGRESSIVE HEART FAILURE IN SUBJECTS WITH CLASS II HEART FAILURE Final Rejection MESOBLAST INTERNATIONAL SÁRL
18039381 OPTOGENETIC MODULATION OF ACTION-POTENTIAL PROPERTIES Non-Final OA RAMBAN MEDTECH LTD.
18031736 CONTINUOUS HIGH CELL-DENSITY CULTURE WITH DUAL-VESSEL TANGENTIAL FLOW FILTRATION Non-Final OA AGC BIOLOGICS, INC.
18021650 DEVICE AND A METHOD FOR ORGAN PRESERVATION Non-Final OA A.A. Cash Technology Ltd.
18018490 AQUEOUS SOLUTION TO PRESERVE NUCLEIC ACIDS Non-Final OA Biofarma S.r.l.
17917907 BIOMARKERS FOR THE DIAGNOSIS OF RESPIRATORY TRACT INFECTIONS Final Rejection B.R.A.H.M.S GmbH
17884516 METHOD OF PROMOTING CELLULAR HYDRATION BY ENHANCING INTRACELLULAR PERMEATION Final Rejection Eastpond Laboratories Limited
17757570 USE OF GLIAL CELL LINE-DERIVED NEUROTROPHIC FACTOR (GDNF) FOR THE TREATMENT OF ENTERIC NEUROPATHIES Final Rejection TRANSFERT PLUS, société en commandite
15107152 CONVERGENCE OF AGGREGATION RATE WITH VALIDATED PERIPHERAL DIAGNOSTIC FOR ALZHEIMER'S DISEASE Final Rejection West Virginia University
16936090 Topical Exosome Compositions and Associated Methods Final Rejection EriVan Bio, LLC
15733164 Method of Preparing Cancer Spheroid and Method of Selecting Colorectal Cancer Patient Non-Final OA Kyo Diagnostics K.K.

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