Prosecution Insights
Last updated: May 29, 2026

Examiner: TINSLEY, BRENDAN THOMAS

Tech Center 1600 • Art Units: 1634

This examiner grants 54% of resolved cases

Performance Statistics

54.5%
Allow Rate
-5.5% vs TC avg
72
Total Applications
+71.1%
Interview Lift
1389
Avg Prosecution Days
Based on 33 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
3.9%
§102 Novelty
45.4%
§103 Obviousness
30.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16986954 THERAPEUTIC EXTRACELLULAR VESICLES Final Rejection Ohio State Innovation Foundation
17642244 NUCLEIC ACID SEQUENCE FOR REGULATION OF TRANSGENE EXPRESSION Final Rejection SORBONNE UNIVERSITE
17779567 Method for Producing Brown Adipocytes Final Rejection Kyoto Prefectural Public University Corporation
18255868 METHODS FOR PURIFICATION OF AAV VECTORS BY AFFINITY CHROMATOGRAPHY Non-Final OA PFIZER INC.
17811403 COMPOSITION FOR INDUCING DIFFERENTIATION INTO INSULIN-PRODUCING CELLS, AND USE THEREOF Final Rejection SEOUL NATIONAL UNIVERSITY HOSPITAL
17759327 METHOD FOR CULTURING FACTOR-INTRODUCED CELLS Final Rejection Koji TANABE
18008139 BACTERIAL STRAINS FOR DNA PRODUCTION Non-Final OA ModernaTX, Inc.
18273654 COMPOSITION FOR REGENERATION OF INTERVERTEBRAL DISC Non-Final OA Mochida Pharmaceutical Co., Ltd.
16098464 CRISPR/CAS-RELATED METHODS AND COMPOSITIONS FOR TREATING DUCHENNE MUSCULAR DYSTROPHY Final Rejection Editas Medicine, Inc.
18042635 COMPOSITION FOR PROMOTING DIFFERENTIATION OF NEURAL STEM CELLS INTO DOPAMINERGIC NEURONS Final Rejection SUNGKWANG MEDICAL FOUNDATION
17929378 PRIMATIZED RODENT Final Rejection Wisconsin Alumni Research Foundation (WARF)
17790059 GENETICALLY MODIFIED IMMUNODEFICIENT NON-HUMAN ANIMAL WITH HUMAN OR CHIMERIC SIRPa/CD47 Final Rejection Biocytogen Pharmaceuticals (Beijing) Co., Ltd.
18262959 Compositions and Methods for Treating Hereditary Angioedema Non-Final OA Spark Therapeutics, Inc.
18020575 GENE THERAPIES FOR LYSOSOMAL DISORDERS Final Rejection Prevail Therapeutics, Inc.
18095042 METHOD OF PREPARING FEEDER CELL CONCENTRATES Final Rejection Oklahoma Blood Institute
17787719 RAT SPERM FREEZING METHOD AND IN VITRO FERTILIZATION METHOD Non-Final OA NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
18001110 METHOD FOR THE SYNTHESIS OF AN EDIBLE AND STERILIZABLE POROUS 3D SCAFFOLD USEFUL FOR CULTURED MEAT LARGE-SCALE PRODUCTION Final Rejection BIOTECH FOODS S.L.
17784942 NON-HUMAN PRIMATE ALZHEIMER'S DISEASE MODEL ANIMAL AND METHOD FOR PRODUCING SAME Non-Final OA Central Institute for Experimental Medicine and Life Science
17639281 METHODS AND COMPOSITIONS FOR THE MODIFICATION AND DELIVERY OF LYMPHOCYTES Non-Final OA Exuma Biotech Corp.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month