Prosecution Insights
Last updated: May 29, 2026

Examiner: MIDDLETON, DANAYA L

Tech Center 1600 • Art Units: 1646 1674

This examiner grants 44% of resolved cases

Performance Statistics

43.5%
Allow Rate
-16.5% vs TC avg
126
Total Applications
+53.4%
Interview Lift
1261
Avg Prosecution Days
Based on 85 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
3.6%
§102 Novelty
26.4%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18644528 HUMANIZED ANTI-COMPLEMENT FACTOR BB ANTIBODIES AND USES THEREOF Non-Final OA Genzyme Corporation
17642515 IMMUNOACTIVE MICROPARTICLES AND USES THEREOF Final Rejection The Regents of the University of California
17638519 IMPLANTABLE SCAFFOLDS AND USES THEREOF FOR IMMUNOTHERAPY AND OTHER USES Final Rejection The Regents of the University of California
17777975 ANTIBODIES TARGETING, AND OTHER MODULATORS OF, THE CD276 ANTIGEN, AND USES THEREOF Final Rejection Eberhard Karls Universität Tübingen
17257764 METHODS AND COMPOSITIONS FOR MODULATING MYELOPEROXIDASE (MPO) EXPRESSION Non-Final OA RAMOT AT TEL-AVIV UNIVERSITY LTD.
17425130 WHOLE CELL TUMOR VACCINES AND METHODS OF USE THEROF Non-Final OA CHILDREN'S NATIONAL MEDICAL CENTER
17189970 MOBILIZED PERIPHERAL BLOOD AS A SOURCE OF MODIFIED IMMUNE CELLS Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
17045467 THERAPEUTIC TARGETING OF ONCOGENES USING EXOSOMES Non-Final OA Board of Regents, The University of Texas System
17770259 HLA CLASS I SEQUENCE DIVERGENCE AND CANCER THERAPY Final Rejection Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
18036620 BIPHASIC SUBCUTANEOUS DOSING REGIMENS FOR ANTI-VLA-4 ANTIBODIES Non-Final OA BIOGEN MA INC.
17633255 METHOD OF TREATING KELOIDS Final Rejection Icahn School of Medicine at Mount Sinai
17624541 ANTI-TISSUE FACTOR ANTIBODY-DRUG CONJUGATES AND RELATED METHODS Final Rejection ZYMEWORKS BC INC.
18597711 ANTI-CD20 ANTIBODY COMPOSITIONS Final Rejection Laboratoire Francais Du Fractionnement Et Des Biotechnologies
18597659 ANTI-CD20 ANTIBODY COMPOSITIONS Final Rejection Laboratoire Francais Du Fractionnement Et Des Biotechnologies
18065462 BISPECIFIC HETERODIMERIC FUSION PROTEINS CONTAINING IL-15 - IL-15Ralpha Fc-FUSION PROTEINS AND IMMUNE CHECKPOINT ANTIBODY FRAGMENTS Non-Final OA Xencor, Inc.
17632181 TREATMENT OF CANCER WITH A COMBINATION OF AN ANTIBODY THAT BINDS LGR5 AND EGFR AND A TOPOISOMERASE I INHIBITOR Final Rejection Merus N.V.
18016331 CONJUGATE IN WHICH FL118 DRUG IS LINKED TO ACID-SENSITIVE LINKER, AND IMMUNOCONJUGATE USING SAME Non-Final OA PINOTBIO, INC.
18013523 MULTISPECIFIC BINDING PROTEIN OF IMMUNE CELL ENGAGER, PREPARATION THEREFOR AND APPLICATION THEREOF Non-Final OA Nona Biosciences (Shanghai) Co., Ltd.
17623710 ANTI-CD154 ANTIBODIES AND USES THEREOF Non-Final OA TONIX PHARMA LIMITED
18022778 NUCLEIC ACIDS ENCODING A POLYPEPTIDE COMPRISING A MODIFIED FC REGION OF A HUMAN IGG1 AND AT LEAST ONE HETEROLOGOUS ANTIGEN Non-Final OA Scancell Limited
17619569 ULTRAMODULAR IGG3-BASED SPACER DOMAIN AND MULTI-FUNCTION SITE FOR IMPLEMENTATION IN CHIMERIC ANTIGEN RECEPTOR DESIGN Final Rejection JULIUS-MAXIMILIANS-UNIVERSITÄT WÜRZBURG
17040109 METHODS FOR MODULATING INNATE LYMPHOID CELL ACTIVITY, ANTIBODY DRUG CONJUGATES AND USES IN THERAPY Final Rejection UNIVERSITÉ D'AIX MARSEILLE
17613392 ANTI-HEPATITIS B VIRUS ANTIBODIES AND USE THEREOF Non-Final OA YANG SHENG TANG COMPANY, LTD.
17057060 CHIMERIC ANTIGEN RECEPTORS WITH MODIFIED LINKER DOMAINS AND USES THEREOF Non-Final OA BIOSCEPTRE (UK) LIMITED

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