Prosecution Insights
Last updated: May 29, 2026

Examiner: QIAN, CELINE X

Tech Center 1600 • Art Units: 1636 1637 1653

This examiner grants 48% of resolved cases

Performance Statistics

47.9%
Allow Rate
-12.1% vs TC avg
826
Total Applications
+16.8%
Interview Lift
1342
Avg Prosecution Days
Based on 769 resolved cases, 2023–2026

Rejection Statute Breakdown

3.8%
§101 Eligibility
9.3%
§102 Novelty
42.9%
§103 Obviousness
31.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18640031 METHODS AND COMPOSITIONS FOR INHIBITING OXIDATIVE STRESS Non-Final OA President and Fellows of Harvard College
17924304 SAFE POTENT SINGLE VECTOR PLATFORM VACCINE AGAINST COVID-19 Non-Final OA The Regents of the University of California
18520007 CAS-READY MOUSE EMBRYONIC STEM CELLS AND MICE AND USES THEREOF Non-Final OA Regeneron Pharmaceuticals, Inc.
16321777 EXPRESSION OF PTEN-LONG WITH ONCOLYTIC VIRUSES Non-Final OA OHIO STATE INNOVATION FOUNDATION
17816061 Engineered Alum-binding SARS-CoV-2 Immunogens Final Rejection Massachusetts Institute of Technology
17929013 METHODS FOR RAPID CLONING AND EXPRESSION OF HLA CLASS I CELLS Non-Final OA Board of Regents, The University of Texas System
17617731 MEMBRANE ATTACK COMPLEXES AND USES THEREOF Final Rejection The Brigham and Women's Hospital, Inc.
18088317 OPTIMIZED GENE EDITING UTILIZING A RECOMBINANT ENDONUCLEASE SYSTEM Non-Final OA UNIVERSITY OF SOUTHERN CALIFORNIA
18659841 COMPOSITIONS AND METHODS FOR HIV QUASI-SPECIES EXCISION FROM HIV-1-INFECTED PATIENTS Non-Final OA Drexel University
18009731 A CELLULAR MARKER OF COVID SEVERITY Non-Final OA Sorbonne Universite
18035240 MODIFIED NK CELLS WITH REDUCED CCR5 EXPRESSION AND METHODS OF THEIR USE Non-Final OA The United States of America, as represented by the Secretary, Dept. of Health and Human Services
17932239 SYNTHETIC MODIFIED VACCINIA ANKARA (sMVA) BASED CORONAVIRUS VACCINES Final Rejection CITY OF HOPE
17291199 COMPOSITIONS AND METHODS FOR TREATING AND PREVENTING AMYOTROPHIC LATERAL SCLEROSIS Non-Final OA Ionis Pharmaceuticals, Inc.
18525193 METHOD FOR IDENTIFYING INTERVENTIONS THAT CONTROL THE TRANSLATIONAL ACTIVITY OF RIBOSOMAL PROTEINS IN DIFFERENTIAL MRNA EXPRESSION Non-Final OA BREITENBACH-KOLLER, HANNELORE
18366237 PLATELET TARGETED TREATMENT Non-Final OA PLATELET TARGETED THERAPEUTICS, LLC
17429801 COMPOSITION COMPRISING A MIXTURE OF DNA MOLECULES, USES THEREOF AS BIOLOGICAL INHIBITOR AND METHOD FOR PRODUCTION Final Rejection KOPPERT B.V.
18246270 BIFUNCTIONAL LENTIVIRAL VECTORS ALLOWING THE BS-GLOBIN SILENCING AND EXPRESSION OF AN ANTI-SICKLING HBB AND USES THEREOF FOR GENE THERAPY OF SICKLE CELL DISEASE Non-Final OA UNIVERSITÉ DE PARIS
17905315 Reagents and methods for preventing, treating or limiting severe acute respiratory syndrome (SARS) coronavirus infection Final Rejection PHYLEX BIOSCIENCES, INC.
18005813 T-Cell Modulatory Polypeptides with Conjugation Sites and Methods of Use Thereof Non-Final OA Cue Biopharma, Inc.
18005562 ANTIBODIES AGAINST THE MUC1-C/EXTRACELLULAR DOMAIN (MUC1-C/ECD) Non-Final OA XYONE THERAPEUTICS, INC.
18004158 MESOTHELIN ISOFORM BINDING MOLECULES AND CHIMERIC PD1 RECEPTOR MOLECULES, CELLS CONTAINING THE SAME AND USES THEREOF Non-Final OA Immunocell Therapeutics, Inc.
18064219 ENHANCED IMMUNOGENIC DNA/RNA COMPOSITIONS AND METHODS Non-Final OA MBF Therapeutics, Inc.
17927178 METHOD OF IDENTIFYING OR CHARACTERISING AN IMMUNE RESPONSE IN A SUBJECT Final Rejection THE BINDING SITE GROUP LIMITED
17918321 VACCINES FOR CORONAVIRUS AND METHODS OF USING THE SAME Non-Final OA THE WISTAR INSTITUTE OF ANATOMY & BIOLOGY
17796284 METHODS OF DIAGNOSING AND CLASSIFYING VIRAL INFECTIONS Final Rejection MeMed Diagnostics Ltd.
17912525 METHOD FOR IMPROVING ANTIGEN IMMUNOGENICITY, CORONAVIRUS ANTIGEN, USE THEREOF, RECOMBINANT VECTOR, EXPRESSION KIT, TRANSGENIC CELL LINE, RECOMBINANT BACTERIUM, CORONAVIRUS VACCINE, PREPARATION METHOD OF ANTIGEN AND NUCLEOTIDE SEQUENCE Non-Final OA GUANGZHOU QIANYANG BIO-TECHNOLOGY PHARMACEUTICAL CO., LTD.
17398648 CRISPR-BASED GENOME MODIFICATION AND REGULATION Final Rejection Sigma-Aldrich Co. LLC
17759479 HUMAN ANTI-DENGUE ANTIBODIES AND METHODS OF USE THEREFOR Non-Final OA THE REGEBTS OF THE UNIVERSITY OF CALIFORNIA A CALIFORNIA
16544180 METHOD AND KITS FOR IDENTIFYING OF CDK9 INHIBITORS FOR THE TREATMENT OF CANCER Final Rejection St. Jude Children's Research Hospital
17744457 METHODS FOR INCREASING THE RATE OF GENETIC PROGRESS AND GENERATING INBRED LINES IN NON-HUMAN MAMMALS Final Rejection Inguran, LLC

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