Prosecution Insights
Last updated: August 18, 2026

Examiner: VANHORN, ABIGAIL LOUISE

Tech Center 1600 • Art Units: 1616 1633 1636

This examiner grants 47% of resolved cases

Performance Statistics

47.0%
Allow Rate
-13.0% vs TC avg
1,285
Total Applications
+22.0%
Interview Lift
1362
Avg Prosecution Days
Based on 1211 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
8.6%
§102 Novelty
42.0%
§103 Obviousness
24.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19568680 YEAST CELL WALL PARTICLE ENCAPSULATION OF BIODEGRADABLE PRO-PAYLOADS Non-Final OA UNIVERSITY OF MASSACHUSETTS
17999891 CLEAVABLE DNA-ENCODED LIBRARY Non-Final OA NISSAN CHEMICAL CORPORATION
17822746 EFFICIENT GENOME EDITING IN PRIMARY MYELOID CELLS Final Rejection Genentech, Inc.
18271536 TREATING DISEASES AND IMPROVING NUCLEIC ACID DELIVERY Non-Final OA Mayo Foundation for Medical Education and Research
18314810 Site-Specific Gene Modifications Final Rejection The Regents of the University of California
18553774 NOVEL FORMS OF CYCLIC DINUCLEOTIDE COMPOUNDS Non-Final OA Merck Sharp & Dohme LLC
17626674 MULTILAMELLAR RNA NANOPARTICLES Final Rejection University of Florida Research Foundation, Inc.
18698888 LIPID NANOPARTICLES FOR DRUG DELIVERY TO MICROGLIA IN THE BRAIN Non-Final OA Massachusetts Institute of Technology
17791504 LONG-ACTING THERAPEUTIC AGENT COMBINATIONS AND METHODS THEREOF Final Rejection University of Washington
18280048 CHAPERONIN-CONTAINING TCP-1 INHIBITORS FOR THE TREATMENT OF CANCER Non-Final OA UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
18015800 COMPOSITIONS AND METHODS FOR HEMOGLOBIN PRODUCTION Final Rejection THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18248988 NOVEL LIGANDS FOR ASIALOGLYCOPROTEIN RECEPTOR Final Rejection SANOFI
18340588 RNAi-NANOPARTICLE CONJUGATE, COMPOSITION, AND METHOD OF SYNTHESIS THEREOF Non-Final OA Council of Scientific & Industrial Research
17736251 TRANSTHYRETIN (TTR) iRNA COMPOSITIONS AND METHODS OF USE THEREOF FOR TREATING OR PREVENTING TTR-ASSOCIATED OCULAR DISEASES Non-Final OA Alnylam Pharmaceuticals, Inc.
17836972 RESIDENCE STRUCTURES AND RELATED METHODS Final Rejection The Brigham and Women's Hospital, Inc.
17914408 A METHOD AND SYSTEM FOR INTRODUCING ONE OR MORE EXOGENOUS SUBSTANCES INTO AN IMMUNE CELL Non-Final OA AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
18001571 UNA OLIGOMERS FOR THE TREATMENT OF POLYGLUTAMINE DISEASES Non-Final OA Arcturus Therapeutics, Inc.
18032329 PEPTIDE-BASED TRANSDUCTION OF NON-ANIONIC POLYNUCLEOTIDE ANALOGS FOR GENE EXPRESSION MODULATION Final Rejection FELDAN BIO INC.

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