Prosecution Insights
Last updated: April 19, 2026

Examiner: YAO, LEI

Tech Center 1600 • Art Units: 1642

This examiner grants 60% of resolved cases

Performance Statistics

60.0%
Allow Rate
At TC average
874
Total Applications
+65.4%
Interview Lift
1272
Avg Prosecution Days
Based on 845 resolved cases, 2023–2026

Rejection Statute Breakdown

10.4%
§101 Eligibility
18.1%
§102 Novelty
25.9%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17555149 BIOMARKERS FOR OVARIAN CANCER CTAP3-RELATED PROTEINS Non-Final OA The Johns Hopkins University
17284525 Method to Express, Purify, and Biotinylate Eukaryotic Cell-Derived Major Histocompatibility Complexes Final Rejection Texas Tech University System
17937630 THERAPEUTIC MUSK ANTIBODIES Final Rejection NEW YORK UNIVERSITY
17918792 SARS COV-2 VACCINES AND HIGH THROUGHPUT SCREENING ASSAYS BASED ON VESICULAR STOMATITIS VIRUS VECTORS Final Rejection Washington University
17759679 COMPOSITIONS AND METHODS OF T CELL RECEPTOR VB FAMILY MEMBER TARGETING FOR THE TREATMENT OF T CELL ASSOCIATED DISEASE Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18063367 THERAPEUTIC AND DIAGNOSTIC METHODS RELATING TO CANCER STEM CELLS Non-Final OA Children's Medical Center Corporation
17914293 CORONAVIRUS VACCINES COMPOSITIONS AND METHOD OF USING SAME Non-Final OA THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF AGRICULTURE
18052388 MODIFIED J-CHAIN Final Rejection IGM Biosciences, Inc.
18256278 PEPTIDE COMPOSITIONS AND METHODS FOR ANTI-CD3 BINDING DOMAINS Non-Final OA Janux Therapeutics, Inc.
18160420 A*03 RESTRICTED PEPTIDES FOR USE IN IMMUNOTHERAPY AGAINST CANCERS AND RELATED METHODS Non-Final OA Immatics Biotechnologies GmbH
17933295 METHOD FOR TREATING A GD2 POSITIVE CANCER Final Rejection APEIRON BIOLOGICS GMBH
18017173 MUSCLE TARGETING COMPLEXES AND USES THEREOF FOR TREATING FACIOSCAPULOHUMERAL MUSCULAR DYSTROPHY Non-Final OA Dyne Therapeutics, Inc.
17791697 MUSCLE TARGETING COMPLEXES AND USES THEREOF FOR TREATING FACIOSCAPULOHUMERAL MUSCULAR DYSTROPHY Final Rejection Dyne Therapeutics, Inc.
17058335 MULTI-SPECIFIC BINDING PROTEINS AND IMPROVEMENTS THEREON Final Rejection Dragonfly Therapeutics, Inc.
18066879 METHODS OF TREATING CANCER USING ANTIBODIES AND MOLECULES THAT BIND TO BTN1A1 OR BTN1A1-LIGANDS Non-Final OA STCUBE & CO., INC.
17999769 CHIMERIC ANTIGEN RECEPTORS SPECIFIC FOR P95HER2 AND USES THEREOF Non-Final OA INSTITUCIO CATALANA DE RECERCA I ESTUDIS AVANCATS
18046619 DIAGNOSIS AND TREATMENT OF CANCER Final Rejection Rab Diagnostics AS
17912726 CHIMERIC ANTIGEN RECEPTOR SPECIFIC FOR HUMAN CD45RC AND USES THEREOF Final Rejection NANTES UNIVERSITE
17846846 Tetravalent FZD and WNT Co-Receptor Binding Antibody Molecules and Uses Thereof Non-Final OA AntlerA Therapeutics Inc.
17774111 HUMANIZED ANTI-CA IX ANTIBODIES AND METHODS OF THEIR USE Non-Final OA MABPRO A.S.
17426141 SURVIVAL-TARGETING CHIMERIC (SURTAC) MOLECULES Non-Final OA Entact Bio Limited
17055561 COMPOSITION OF BISPECIFIC ANTIBODIES AND METHOD OF USE THEREOF Non-Final OA ARBELE LIMITED

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