Prosecution Insights
Last updated: October 02, 2026

Examiner: VANHORN, ABIGAIL LOUISE

Tech Center 1600 • Art Units: 1616 1633 1635 1636 1637

This examiner grants 47% of resolved cases

Analysis

Abigail Louise Vanhorn is an examiner in Tech Center 1600 and Art Unit 1616, where she has handled 1219 resolved cases. Her allowance rate is 46.8%, which suggests a challenging examination process for applicants. This 46.8% rate serves as a baseline for assessing the likelihood of a grant in this specific art unit. The 1219 cases resolved by this examiner offer a robust sample size for these performance metrics.

A critical data point for this examiner is the interview lift of 22.4%, which is a significant increase in the likelihood of allowance. This figure indicates that conducting an interview is an effective strategy for moving an application toward allowance. Furthermore, the median days to allowance is 1365, suggesting a relatively long prosecution cycle. The 22.4% lift suggests that the time spent in an interview can be a pivotal investment in overcoming the challenges that contribute to the 1365-day median pendency.

Practitioners should prioritize scheduling interviews given the 22.4% lift observed across 1219 cases. While the 46.8% allowance rate indicates a rigorous review, the positive impact of verbal communication is clear. The 1365-day median to allowance should be factored into the overall strategy, with the understanding that direct dialogue is a key driver of success. This profile highlights the importance of active engagement in Tech Center 1600.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

46.8%
Allow Rate
-13.2% vs TC avg
1,295
Total Applications
+22.4%
Interview Lift
1365
Avg Prosecution Days
Based on 1219 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
8.5%
§102 Novelty
41.9%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19568680 YEAST CELL WALL PARTICLE ENCAPSULATION OF BIODEGRADABLE PRO-PAYLOADS Non-Final OA UNIVERSITY OF MASSACHUSETTS
17777386 COMPOSITIONS AND METHODS FOR ON-DEMAND RELEASE OF ANTIMICROBIAL AGENTS Non-Final OA University of Massachusetts
15367356 COMPOSITION FOR HAIR FRIZZ REDUCTION Non-Final OA The Procter & Gamble Company
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
18698888 LIPID NANOPARTICLES FOR DRUG DELIVERY TO MICROGLIA IN THE BRAIN Non-Final OA Massachusetts Institute of Technology
18553774 NOVEL FORMS OF CYCLIC DINUCLEOTIDE COMPOUNDS Non-Final OA Merck Sharp & Dohme LLC
18419370 COMPOSITIONS, METHODS AND USES FOR TREATING CYSTIC FIBROSIS AND RELATED DISORDERS Non-Final OA The Board of Regents of The University of Texas System
18248988 NOVEL LIGANDS FOR ASIALOGLYCOPROTEIN RECEPTOR Final Rejection SANOFI
19245028 COMPOSITIONS AND METHODS FOR INHIBITION OF EXPRESSION OF INHIBIN SUBUNIT BETA E (INHBE) GENES Non-Final OA BASECURE THERAPEUTICS LLC
17791504 LONG-ACTING THERAPEUTIC AGENT COMBINATIONS AND METHODS THEREOF Final Rejection University of Washington
18489682 W/O/W MICROEMULSIONS FOR OCULAR ADMINISTRATION Non-Final OA University of Tennessee Research Foundation
18218166 Horticulture Additive Non-Final OA Milliken & Company
17836972 RESIDENCE STRUCTURES AND RELATED METHODS Final Rejection The Brigham and Women's Hospital, Inc.
18562095 OLIGO-MODIFIED NUCLEOTIDE ANALOGUES FOR NUCLEIC ACID PREPARATION Non-Final OA ILLUMINA, INC.
17906134 COMPOSITIONS AND METHODS COMPRISING IMPROVED GUIDE RNAs Final Rejection Cornell University
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
18028751 PATIENT SELECTION BIOMARKERS FOR TREATMENT WITH ULK INHIBITORS Final Rejection Salk Institute for Biological Studies
18063982 METHODS FOR PRODUCING IMMUNE CELL CULTURES Non-Final OA LONZA WALKERSVILLE, INC.
18016190 TARGETING ZNF410 FOR FETAL HEMOGLOBIN INDUCTION IN BETAHEMOGLOBINOPATHIES Non-Final OA The Children's Medical Center Corporation
18703068 AGT Inhibitor and Use Thereof Non-Final OA KYLONOVA (XIAMEN) BIOPHARMA CO., LTD.

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