Prosecution Insights
Last updated: May 29, 2026

Examiner: CHO, DAVID H

Tech Center 1600 • Art Units: 1693

This examiner grants 38% of resolved cases

Performance Statistics

38.2%
Allow Rate
-21.8% vs TC avg
99
Total Applications
+75.0%
Interview Lift
1238
Avg Prosecution Days
Based on 34 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
3.2%
§102 Novelty
45.2%
§103 Obviousness
2.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17768922 METHODS OF TREATING CANCER WITH A STING AGONIST Final Rejection The Board of Regents of the University of Texas System
17705762 DEPOLYMERIZATION AND VALORIZATION OF A BIOPOLYMER Non-Final OA NEW YORK UNIVERSITY
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
18061323 HEPARANASE INHIBITORS FOR TREATMENT OF DIABETES Final Rejection Wayne State University
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
18548997 ANTIVIRAL AGENT Final Rejection TOYOBO CO., LTD.
18249245 IMPROVED SOPHOROLIPID DERIVATIVES WITH THERAPEUTIC AGENT CARGOS AND THEIR USE Non-Final OA LOCUS SOLUTIONS IPCO, LLC
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
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.
18476600 METHODS AND COMPOSITIONS FOR TREATING CLOSTRIDIODES DIFFICILE INFECTIONS Non-Final OA Matrivax, 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
18549452 STABILIZED LIQUID COMPOSITIONS COMPRISING A LEVODOPA-TYROSINE CONJUGATE AND USES THEREOF Non-Final OA NeuroDerm, Ltd.
18548833 TRIAZOLYL-METHYL SUBSTITUTED ALPHA-D-GALACTOPYRANOSIDE DERIVATIVES Non-Final OA Idorsia Pharmaceuticals Ltd
18458250 DEOXYNUCLEOSIDE MODIFIED RUTHENIUM COMPLEX, AND PREPARATION METHOD AND USE THEREOF Non-Final OA Guangzhou Ruby Biotechnology Co., Ltd.
18267867 DEXTRIN WITH IMPROVED TURBIDITY, AND METHOD FOR PRODUCING SAME Non-Final OA SAMYANG CORPORATION
17998942 COMPOUNDS AND METHODS FOR REDUCTION OF CANCER CELL BURDEN AND PROTECTION OF NORMAL HEMATOPOIESIS Final Rejection GLYCOMIMETICS, INC.
18264879 METHODS FOR PREVENTING CANCER RELAPSE Non-Final OA Department of Veterans Affairs
17790697 ALKYLATED NUCLEOSIDES, AND COMPOSITIONS AND METHODS THEREOF FOR NUCLEIC ACID DELIVERY Final Rejection MICROVASCULAR THERAPEUTICS, LLC
18019404 SYSTEMIC DELIVERY OF OLIGONUCLEOTIDES Non-Final OA Dicerna Pharmaceuticals, Inc.
18007407 NOVEL THERAPEUTIC USES OF COMPOUNDS FOR ENHANCING MITOCHONDRIAL FUNCTION AND TREATING MITOCHONDRIAL DISEASES Final Rejection THE CHILDREN'S HOSPITAL OF PHILADELPHIA
18300468 PHARMACOLOGIC APPROACH FOR SUPPRESSION OF CORONAVIRUSES Final Rejection Temple University - of the Commonwealth System of Higher Education
18029062 SGLT-2 INHIBITOR SARCOSINE CO-CRYSTAL, PREPARATION METHOD THEREFOR AND USE THEREOF Final Rejection Beijing Creatron Institute of Pharmaceutical Research Co. Ltd.
18043518 FORMULATIONS OF ANTI-VIRAL COMPOUNDS Non-Final OA Sayvaa Pharmaceuticals Inc.
18020880 FORMULATIONS OF NICOTINIC ACID DERIVATIVES AND FLAVONOID POLYPHENOLS AND USES THEREOF Final Rejection Animal Biosciences, Inc.

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