Prosecution Insights
Last updated: April 19, 2026

Examiner: CHO, DAVID H

Tech Center 1600 • Art Units: 1693

This examiner grants 36% of resolved cases

Performance Statistics

36.0%
Allow Rate
-24.0% vs TC avg
96
Total Applications
+76.2%
Interview Lift
1294
Avg Prosecution Days
Based on 25 resolved cases, 2023–2026

Rejection Statute Breakdown

3.9%
§101 Eligibility
14.2%
§102 Novelty
35.9%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18554922 NOVEL USE Non-Final OA DSM IP ASSETS B.V.
17767996 CELLULOSE COMPOSITION AND TABLET Final Rejection ASAHI KASEI KABUSHIKI KAISHA
17056800 PREBIOTIC COMPOSITIONS AND METHODS FOR MAINTAINING A HEALTHY SKIN MICROBIOTA Non-Final OA KIMBERLY-CLARK WORLDWIDE, INC.
17799320 USE OF COMPOUNDS THAT ARE ABLE TO CROSS-LINK THE EXTRACELLULAR MATRIX FOR PREVENTING OR INHIBITING THE MIGRATION OF CANCER CELLS Non-Final OA CAMBRIDGE ENTERPRISE LIMITED
17768922 METHODS OF TREATING CANCER WITH A STING AGONIST Final Rejection The Board of Regents of the University of Texas System
17627472 ECOBIOLOGICAL TREATMENT OF SIDE EFFECTS OF RADIOTHERAPY Non-Final OA BIONUCLEI
17705762 DEPOLYMERIZATION AND VALORIZATION OF A BIOPOLYMER Non-Final OA NEW YORK UNIVERSITY
17824446 INTERMEDIATE METABOLISM PRODUCTS TO POTENTIATE AMINOGLYCOSIDE ANTIBIOTICS IN BACTERIAL INFECTIONS Final Rejection THE GENERAL HOSPITAL CORPORATION
18088628 COMPOUND, SOLID CARRIER INCLUDING THE SAME AND METHOD FOR PREPARING NUCLEIC ACID Final Rejection Industrial Technology Research Institute
17906560 METHODS AND COMPOSITIONS FOR TREATMENT OF CORONAVIRUS INFECTION Non-Final OA Battelle Memorial Institute
17996452 CYCLODEXTRIN BASED ANTI-MICROBIAL THERAPY Final Rejection University of Southern California
18176864 ANTIVIRAL COMPOUNDS AND METHODS OF MAKING AND USING THE SAME Non-Final OA Gilead Sciences, Inc.
18554318 A METHYLCELLULOSE WITH HIGH POWDER DISSOLUTION TEMPERATURE Non-Final OA Nutrition & Biosciences USA 1, LLC
18249245 IMPROVED SOPHOROLIPID DERIVATIVES WITH THERAPEUTIC AGENT CARGOS AND THEIR USE Non-Final OA LOCUS SOLUTIONS IPCO, LLC
18251510 MONTBRETIN A FUNCTIONAL FOOD Non-Final OA THE UNIVERSITY OF BRITISH COLUMBIA
18061323 HEPARANASE INHIBITORS FOR TREATMENT OF DIABETES Final Rejection Wayne State University
18264879 METHODS FOR PREVENTING CANCER RELAPSE Non-Final OA Department of Veterans Affairs
18564953 NEW THERAPEUTIC USE OF TYPE 2 IODOTHYRONINE DEIODINASE (D2) INHIBITORS Non-Final OA Dompé Farmaceutici S.p.A.
18007407 NOVEL THERAPEUTIC USES OF COMPOUNDS FOR ENHANCING MITOCHONDRIAL FUNCTION AND TREATING MITOCHONDRIAL DISEASES Final Rejection THE CHILDREN'S HOSPITAL OF PHILADELPHIA
18553144 PYRROLOPYRIMIDINE NUCLEOSIDES FOR TREATING OR PREVENTING A SARS-COV-2 INFECTION Non-Final OA Chimerix, Inc.
17636536 NEW USE OF CYCLIC DINUCLEOTIDES Final Rejection Helmholtz-Zentrum für Infektionsforschung GmbH
17927941 ANTIFUNGAL PRODRUGS Final Rejection NANTES UNIVERSITÉ
18484111 METHODS FOR THE TREATMENT OF PROTEINOPATHIES Non-Final OA RENATUS INC.
18554442 A COMPOSITION FOR IMPROVING GUT MICROBIOTA, BEHAVIOURAL PATTERN, ALPHA-SYNUCLEIN LEVELS, SLEEP PATTERN AND/OR SERUM MELATONIN Non-Final OA Sophy Inc.
18549010 AGENT FOR ENHANCING HAIR-SETTING ABILITY Non-Final OA Hayashibara Co., Ltd.
17758495 Estrogen Metabolite Levels And Cancer Driver Gene Mutations In Lung Cancer Risk Stratification And Treatment Non-Final OA Institute For Cancer Research d/b/a The Research Institute of Fox Chase Cancer Center
18283478 ADENOSINE DERIVATIVE HAVING ANTAGONISTIC ACTION ON A2A AND A3 ADENOSINE RECEPTORS AND METHOD FOR PREPARING SAME Non-Final OA HK INNO.N CORPORATION
17778297 METHOD FOR PRODUCING CELLULOSE CARBAMATE Non-Final OA ANDRITZ OY
18549452 STABILIZED LIQUID COMPOSITIONS COMPRISING A LEVODOPA-TYROSINE CONJUGATE AND USES THEREOF Non-Final OA NeuroDerm, Ltd.
18460815 METHOD OF MANUFACTURING AUTO-CROSSLINKED HYALURONIC ACID GEL AND PRODUCTS THEREOF Non-Final OA SCIVISION BIOTECH INC.

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