Prosecution Insights
Last updated: April 19, 2026

Examiner: QIAN, CELINE X

Tech Center 1600 • Art Units: 1636 1637 1653

This examiner grants 48% of resolved cases

Performance Statistics

47.8%
Allow Rate
-12.2% vs TC avg
819
Total Applications
+16.6%
Interview Lift
1332
Avg Prosecution Days
Based on 762 resolved cases, 2023–2026

Rejection Statute Breakdown

6.6%
§101 Eligibility
19.2%
§102 Novelty
29.5%
§103 Obviousness
34.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18640031 METHODS AND COMPOSITIONS FOR INHIBITING OXIDATIVE STRESS Final Rejection President and Fellows of Harvard College
16976047 EVOLVED CAS9 VARIANTS AND USES THEREOF Final Rejection 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
17778254 SPLIT-ENZYME SYSTEM TO DETECT SPECIFIC DNA IN LIVING CELLS Final Rejection The Regents of the University of California
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
19050083 METHOD FOR DETECTING THE BIOLOGICAL ACTIVITY OF RECOMBINANT HUMAN GROWTH HORMONE MEDICINE Final Rejection National Institutes for Food and Drug Control
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
17778211 TETANUS TOXOID AND CRM-BASED PEPTIDES AND METHODS OF USE Final Rejection UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
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
18007287 METHODS TO STIMULATE IMMUNE RESPONSES TO MUTANT RAS USING NUCLEATED CELLS Non-Final OA STEMCELL TECHNOLOGIES CANADA INC.
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
17291199 COMPOSITIONS AND METHODS FOR TREATING AND PREVENTING AMYOTROPHIC LATERAL SCLEROSIS Non-Final OA Ionis Pharmaceuticals, Inc.
17933369 UNIVERSAL DONOR CELLS Non-Final OA CRISPR THERAPEUTICS AG
17923018 Feline Severe Acute Respiratory Syndrome Coronavirus 2 Vaccine Non-Final OA Intervet Inc.
18525193 METHOD FOR IDENTIFYING INTERVENTIONS THAT CONTROL THE TRANSLATIONAL ACTIVITY OF RIBOSOMAL PROTEINS IN DIFFERENTIAL MRNA EXPRESSION Non-Final OA BREITENBACH-KOLLER, HANNELORE
18520555 LINEAGE REPORTER SYNTHETIC CHROMOSOMES AND METHODS OF USE Final Rejection CarryGenes Bioengineering, LLC
17813568 CELL-FREE PROTEIN EXPRESSION USING ROLLING CIRCLE AMPLIFICATION PRODUCT Non-Final OA Global Life Sciences Solutions Operations UK Ltd
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
17744457 METHODS FOR INCREASING THE RATE OF GENETIC PROGRESS AND GENERATING INBRED LINES IN NON-HUMAN MAMMALS Final Rejection Inguran, LLC
16195552 METHODS FOR INCREASING THE RATE OF GENETIC PROGRESS AND GENERATING INBRED LINES IN NON-HUMAN MAMMALS USING GAMETES DERIVED FROM EMBRYOS Final Rejection Inguran, LLC
17796284 METHODS OF DIAGNOSING AND CLASSIFYING VIRAL INFECTIONS Final Rejection MeMed Diagnostics Ltd.
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.
18018759 COMPOSITIONS AND METHODS FOR IMPROVED VACCINATION Non-Final OA Combined Therapeutics, Inc.

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