Prosecution Insights
Last updated: April 19, 2026

Examiner: GUSTILO, ESTELLA M

Tech Center 1600 • Art Units: 1644 1646

This examiner grants 53% of resolved cases

Performance Statistics

52.8%
Allow Rate
-7.2% vs TC avg
94
Total Applications
+34.4%
Interview Lift
1231
Avg Prosecution Days
Based on 53 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
13.4%
§102 Novelty
32.2%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17284284 EXTRACELLULAR VESICLES FOR TARGETED THERAPIES AGAINST MYELOID-DERIVED SUPPRESSOR CELLS Non-Final OA Ohio State Innovation Foundation
17343543 MODIFIED ANTIBODY FCS AND METHODS OF USE Non-Final OA Genentech, Inc.
18063459 ANTIBODIES BINDING TO CD3 AND PLAP Non-Final OA Hoffmann-La Roche Inc.
17605798 FUSION POLYPEPTIDE COMPRISING Fc REGION OF IMMUNOGLOBULIN AND GDF15 Non-Final OA LG CHEM, LTD.
18818268 ANTIBODIES WITH FC MODIFICATIONS AND METHODS OF USING THE SAME Non-Final OA The General Hospital Corporation
17254392 CHIMERIC ANTIGEN RECEPTORS TARGETING CD37 AND CD19 Final Rejection The General Hospital Corporation
18546302 CUSTOMIZED CHIMERIC ANTIGEN RECEPTOR POLYPEPTIDES Non-Final OA H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE INC.
18052172 METHODS OF TREATING CANCERS AND ENHANCING EFFICACY OF GPRC5DXCD3 BISPECIFIC ANTIBODIES Non-Final OA Janssen Biotech, Inc.
17825244 ANTI-IDIOTYPIC ANTIBODIES AGAINST ANTI-CD79B ANTIBODIES Non-Final OA Janssen Biotech, Inc.
18475042 ENHANCEMENT OF T CELL HOMING TO TUMORS THROUGH AUGMENTATION OF CHEMOKINE RESPONSIVENESS AND ACTIVATION DEPENDENT CHEMOKINE SECRETION Non-Final OA Regen Biopharma, Inc.
18283547 CD38 Chimeric Co-Stimulating Receptor and Uses Thereof Non-Final OA Stichting VUmc
18020577 AFFIBODY-CYTOTOXIN CONJUGATE FOR ACTIVE TARGETED THERAPY OF TUMORS, NANOPARTICLE THEREOF, PREPARATION METHOD THEREOF AND APPLICATION THEREOF Non-Final OA SHANGHAI JIAOTONG UNIVERSITY
18278784 TARGETING CONJUGATES WITH THERAPEUTIC AGENTS AND OLIGONUCLEOTIDES AND USES THEREOF Non-Final OA Allygen Group
18258189 ANTIBODIES AGAINST INTEGRIN ALPHA 11 BETA 1 Non-Final OA MOMENTA PHARMACEUTICALS, INC.
17434465 ANTI-CD38 ANTIBODIES AND PHARMACEUTICAL COMPOSITIONS THEREOF FOR THE TREATMENT OF AUTOANTIBODY-MEDIATED AUTOIMMUNE DISEASE Final Rejection MORPHOSYS AG
17783548 VERSATILE STRATEGY FOR COVALENT GRAFTING OF BIOMOLECULES TO CRYOGELS Final Rejection Stichting Radboud universitair medisch centrum
17429288 ANTIBODIES RECOGNIZING TAU Non-Final OA PROTHENA BIOSCIENCES LIMITED
17769160 PROTEINS BINDING NKG2D, CD16 AND FLT3 Final Rejection Dragonfly Therapeutics, Inc.
17749824 Modified Cell Expressing Therapeutic Agent and Uses thereof Final Rejection Innovative Cellular Therapeutics Holdings, Ltd.
17573572 METHODS AND COMPOSITIONS TO ENHANCE HUMORAL IMMUNITY TO REDUCE CYTOMEGALOVIRUS INFECTION AND REACTIVATION BY IL-6 INHIBITION Non-Final OA Lions Eye Institute
17618849 P2X7 RECEPTOR TARGETED THERAPY Non-Final OA BIOSCEPTRE (AUST) PTY LTD
17295010 IL-2 DEPENDENT NK-92 CELLS WITH STABLE FC RECEPTOR EXPRESSION Non-Final OA NantKwest, Inc.
17320712 METHODS FOR TREATING CANCER WITH MANUFACTURED T CELLS Non-Final OA RAPA THERAPEUTICS, LLC

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