Prosecution Insights
Last updated: August 18, 2026

Examiner: CHO, DAVID H

Tech Center 1600 • Art Units: 1693

This examiner grants 38% of resolved cases

Performance Statistics

37.5%
Allow Rate
-22.5% vs TC avg
101
Total Applications
+73.5%
Interview Lift
1235
Avg Prosecution Days
Based on 40 resolved cases, 2023–2026

Rejection Statute Breakdown

3.3%
§101 Eligibility
12.7%
§102 Novelty
36.6%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18546264 METHODS FOR REDUCING PATHOGENIC E COLI BY SELECTIVE FEED ADDITIVE INTERVENTION Final Rejection DSM IP Assets B.V.
18702922 TREATMENT OF VIRUSES WITH ANTIVIRAL NUCLEOSIDES Non-Final OA EMORY UNIVERSITY
17621369 ANIMAL FOOD COMPOSITION Non-Final OA MARS, INCORPORATED
17768922 METHODS OF TREATING CANCER WITH A STING AGONIST Final Rejection The Board of Regents of the University of Texas System
18294123 METHOD FOR REDUCING ENDOTOXIN LEVELS IN NUCLEIC ACID PURIFICATION Non-Final OA MERCK PATENT GMBH
17906560 METHODS AND COMPOSITIONS FOR TREATMENT OF CORONAVIRUS INFECTION Non-Final OA Battelle Memorial Institute
18088628 COMPOUND, SOLID CARRIER INCLUDING THE SAME AND METHOD FOR PREPARING NUCLEIC ACID Final Rejection Industrial Technology Research Institute
18613537 3'-OH RNA-CONTAINING OLIGONUCLEOTIDE DEPROTECTION Non-Final OA ALNYLAM PHARMACEUTICALS, INC.
18556879 SYSTEM AND METHOD FOR PRODUCING MICROCRYSTALLINE CELLULOSE Non-Final OA ANDRITZ OY
17778297 METHOD FOR PRODUCING CELLULOSE CARBAMATE Final Rejection ANDRITZ OY
18007407 NOVEL THERAPEUTIC USES OF COMPOUNDS FOR ENHANCING MITOCHONDRIAL FUNCTION AND TREATING MITOCHONDRIAL DISEASES Final Rejection THE CHILDREN'S HOSPITAL OF PHILADELPHIA
18720268 COMPOSITIONS FOR PREVENTING OR FOR REDUCING RISK OF DEVELOPING SECONDARY INFECTIOUS DISEASES Non-Final OA MEIJI CO., LTD.
18300468 PHARMACOLOGIC APPROACH FOR SUPPRESSION OF CORONAVIRUSES Final Rejection Temple University - of the Commonwealth System of Higher Education
17790697 ALKYLATED NUCLEOSIDES, AND COMPOSITIONS AND METHODS THEREOF FOR NUCLEIC ACID DELIVERY Final Rejection MICROVASCULAR THERAPEUTICS, LLC

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