Prosecution Insights
Last updated: May 29, 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
878
Total Applications
+65.6%
Interview Lift
1242
Avg Prosecution Days
Based on 853 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
10.6%
§102 Novelty
42.3%
§103 Obviousness
16.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17284525 Method to Express, Purify, and Biotinylate Eukaryotic Cell-Derived Major Histocompatibility Complexes Final Rejection Texas Tech University System
17918792 SARS COV-2 VACCINES AND HIGH THROUGHPUT SCREENING ASSAYS BASED ON VESICULAR STOMATITIS VIRUS VECTORS Final Rejection Washington University
17912726 CHIMERIC ANTIGEN RECEPTOR SPECIFIC FOR HUMAN CD45RC AND USES THEREOF Final Rejection NANTES UNIVERSITE
17294891 Methods of Making Therapeutic T Lymphocytes Final Rejection NANTOMICS, LLC
17950667 CHIMERIC ANTIGEN RECEPTORS TARGETING CLAUDIN-3 AND METHODS FOR TREATING CANCER Non-Final OA GlaxoSmithKline Intellectual Property Development Limited
18000380 HYPERIMMUNE IGG AND/OR IGM COMPOSITIONS AND METHOD FOR PREPARING THEREOF AND METHOD FOR OBTAINING HYPERIMMUNE HUMAN PLASMA FROM A DONOR Non-Final OA GRIFOLS WORLDWIDE OPERATIONS LIMITED
18063367 THERAPEUTIC AND DIAGNOSTIC METHODS RELATING TO CANCER STEM CELLS Non-Final OA Children's Medical Center Corporation
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.
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.
17927477 Antigen Presenting Polypeptide Complexes and Methods of Use Thereof Non-Final OA Cue Biopharma, 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
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.
17702087 METHODS FOR PREPARING AND ANALYZING BIOPSIES AND BIOLOGICAL SAMPLES Non-Final OA Nebulum Technologies Co., Ltd.
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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