Prosecution Insights
Last updated: August 18, 2026

Examiner: GUSTILO, ESTELLA M

Tech Center 1600 • Art Units: 1644 1646

This examiner grants 53% of resolved cases

Performance Statistics

53.2%
Allow Rate
-6.8% vs TC avg
100
Total Applications
+36.8%
Interview Lift
1275
Avg Prosecution Days
Based on 62 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
14.4%
§102 Novelty
31.4%
§103 Obviousness
26.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17825244 ANTI-IDIOTYPIC ANTIBODIES AGAINST ANTI-CD79B ANTIBODIES Non-Final OA Janssen Biotech, Inc.
18799503 THERAPEUTIC AND DIAGNOSTIC METHODS FOR BLADDER CANCER Non-Final OA Genentech, Inc.
18416031 Anti-Jagged1 Antibodies and Methods of Use Non-Final OA Genentech, Inc.
17605798 FUSION POLYPEPTIDE COMPRISING Fc REGION OF IMMUNOGLOBULIN AND GDF15 Final Rejection LG CHEM, LTD.
17933049 Chimeric Antigen Receptors Comprising Interleukin-9 Receptor Signaling Domain Final Rejection THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
17507414 METHODS OF TREATING CROHN'S DISEASE Non-Final OA ELI LILLY AND COMPANY
18484631 COMPOSITIONS AND METHODS FOR TREATING CANCER WITH SUBCUTANEOUS ADMINISTRATION OF ANTI-PD1 ANTIBODIES Non-Final OA Merck Sharp & Dohme LLC
17284284 EXTRACELLULAR VESICLES FOR TARGETED THERAPIES AGAINST MYELOID-DERIVED SUPPRESSOR CELLS Final Rejection Ohio State Innovation Foundation
17254392 CHIMERIC ANTIGEN RECEPTORS TARGETING CD37 AND CD19 Final Rejection The General Hospital Corporation
18696689 MULTISPECIFIC BINDING AGENTS AGAINST PD-L1 AND CD137 IN COMBINATION THERAPY Non-Final OA BioNTech SE

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