Prosecution Insights
Last updated: April 19, 2026

Examiner: MIDDLETON, DANAYA L

Tech Center 1600 • Art Units: 1646 1674

This examiner grants 42% of resolved cases

Performance Statistics

42.0%
Allow Rate
-18.0% vs TC avg
125
Total Applications
+55.3%
Interview Lift
1161
Avg Prosecution Days
Based on 81 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
11.6%
§102 Novelty
20.0%
§103 Obviousness
37.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18644528 HUMANIZED ANTI-COMPLEMENT FACTOR BB ANTIBODIES AND USES THEREOF Non-Final OA Genzyme Corporation
18065462 BISPECIFIC HETERODIMERIC FUSION PROTEINS CONTAINING IL-15 - IL-15Ralpha Fc-FUSION PROTEINS AND IMMUNE CHECKPOINT ANTIBODY FRAGMENTS Non-Final OA Xencor, Inc.
17045467 THERAPEUTIC TARGETING OF ONCOGENES USING EXOSOMES Non-Final OA Board of Regents, The University of Texas System
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
17800345 ANTI- MUC1-SEA ANTIBODIES Final Rejection Ramot at Tel-Aviv University Ltd.
17142072 METHODS AND COMPOSITIONS FOR MODULATING MYELOPEROXIDASE (MPO) EXPRESSION Non-Final OA RAMOT AT TEL-AVIV UNIVERSITY LTD.
17257764 METHODS AND COMPOSITIONS FOR MODULATING MYELOPEROXIDASE (MPO) EXPRESSION Non-Final OA RAMOT AT TEL-AVIV UNIVERSITY LTD.
17770259 HLA CLASS I SEQUENCE DIVERGENCE AND CANCER THERAPY Final Rejection Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
17212456 IL-11 ANTIBODIES Non-Final OA Boehringer Ingelheim International GmbH
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
17050067 METHODS AND SYSTEMS FOR CHARACTERIZING SEVERE CROHN'S DISEASE Non-Final OA CEDARS-SINAI MEDICAL CENTER
17624541 ANTI-TISSUE FACTOR ANTIBODY-DRUG CONJUGATES AND RELATED METHODS Final Rejection ZYMEWORKS BC INC.
18023038 HETERODIMER FC POLYPEPTIDE Non-Final OA Chugai Seiyaku Kabushiki Kaisha
18022342 HETERODIMER FC POLYPEPTIDE Non-Final OA Chugai Seiyaku Kabushiki Kaisha
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
17619569 ULTRAMODULAR IGG3-BASED SPACER DOMAIN AND MULTI-FUNCTION SITE FOR IMPLEMENTATION IN CHIMERIC ANTIGEN RECEPTOR DESIGN Final Rejection JULIUS-MAXIMILIANS-UNIVERSITÄT WÜRZBURG
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.
17935400 ANTIBODIES AGAINST AREG AND ITS USE Non-Final OA National Institute of Biological Sciences, Beijing
17755741 ANTI-HUMAN PROGRAMMED CELL DEATH LIGAND-1 (PD-L1) ANTIBODY AND USE THEREOF Final Rejection JIANGSU SIMCERE PHARMACEUTICAL CO., LTD
18013523 MULTISPECIFIC BINDING PROTEIN OF IMMUNE CELL ENGAGER, PREPARATION THEREFOR AND APPLICATION THEREOF Non-Final OA Nona Biosciences (Shanghai) Co., Ltd.
17624062 PERTUSSIS TOXIN BINDING PROTEIN Non-Final OA Suzhou Alphamab Co., Ltd.
17040109 METHODS FOR MODULATING INNATE LYMPHOID CELL ACTIVITY, ANTIBODY DRUG CONJUGATES AND USES IN THERAPY Final Rejection UNIVERSITÉ D'AIX MARSEILLE
17631433 ANTIBODIES TO CANDIDA AND USES THEREOF Non-Final OA Stadius Biopharma, LLC
17573569 IMMUNOSTIMULATORY BACTERIA ENGINEERED TO COLONIZE TUMORS, TUMOR-RESIDENT IMMUNE CELLS, AND THE TUMOR MICROENVIRONMENT Non-Final OA ACTYM THERAPEUTICS, INC.
17057060 CHIMERIC ANTIGEN RECEPTORS WITH MODIFIED LINKER DOMAINS AND USES THEREOF Non-Final OA BIOSCEPTRE (UK) LIMITED

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