Prosecution Insights
Last updated: April 19, 2026

Examiner: CHATTIN, AMY MARIE

Tech Center 1600 • Art Units: 1642 1643 1644

This examiner grants 74% of resolved cases

Performance Statistics

74.2%
Allow Rate
+14.2% vs TC avg
75
Total Applications
+36.4%
Interview Lift
1424
Avg Prosecution Days
Based on 31 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
16.9%
§102 Novelty
34.1%
§103 Obviousness
32.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17520590 HETERODIMERIC ANTIBODIES THAT BIND TGFbetaRII Non-Final OA Xencor, Inc.
17773283 DEGRADATION OF SURFACE PROTEINS USING BISPECIFIC BINDING AGENT Final Rejection The Regents of the University of California
18032012 SYNTHETIC ANTIGENS AS CHIMERIC ANTIGEN RECEPTOR (CAR) LIGANDS AND USES THEREOF Non-Final OA Georgia Tech Research Corporation
18066529 PROTEASE-ACTIVATED T CELL BISPECIFIC ANTIBODIES Non-Final OA Hoffmann-La Roche Inc.
17927529 BISPECIFIC MOLECULES FOR SELECTIVELY MODULATING T CELLS Final Rejection Dana-Farber Cancer Institute, Inc.
16970930 UNIVERSAL ANTIGEN PRESENTING CELLS AND USES THEREOF Non-Final OA Board of Regents, The University of Texas System
18034026 METHODS OF TREATING INFECTIONS BY BLOCKING PATHOGEN MIMICS OF CD47 Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17997161 TREATMENT AND PREVENTION OF CANCER USING VIRUS-SPECIFIC IMMUNE CELLS EXPRESSING CHIMERIC ANTIGEN RECEPTORS Final Rejection Baylor College of Medicine
17765585 METHODS AND COMBINATIONS FOR THE TREATMENT OF CANCER USING IMMUNE CHECKPOINT INHIBITOR ANTIBODIES Non-Final OA ASTRAZENECA AB
18249149 SPECIFIC TARGETING OF TUMOR-INFILTRATING REGULATORY T CELLS (TREGS) USING ICOS AND IL-1R Non-Final OA FRED HUTCHINSON CANCER CENTER
18326335 ANTI-BMP9 ANTIBODIES AND METHODS OF USE THEREOF Non-Final OA The General Hospital Corporation
17777659 STIMULI THAT HYPERACTIVATE RESIDENT DENDRITIC CELLS FOR CANCER IMMUNOTHERAPY Non-Final OA Children's Medical Center Corporation
18008278 Improved T cell receptor-costimulatory molecule chimera Non-Final OA TSINGHUA UNIVERSITY
18010910 UNIVERSAL CAR-NK CELL TARGETING VARIOUS EPITOPES OF HIV-1 GP160 Non-Final OA University of Southern California
18451671 DETECTION OF ACUTE MYELOID LEUKAEMIA Non-Final OA OXFORD UNIVERSITY INNOVATION LIMITED
18007290 METHODS TO STIMULATE IMMUNE RESPONSES TO MUTANT RAS USING ANUCLEATE CELLS Non-Final OA STEMCELL TECHNOLOGIES CANADA INC.
17787094 MULTI-SPECIFIC ANTIBODIES Final Rejection UCB BIOPHARMA SRL
17630601 METHODS FOR TREATMENT OF REFRACTORY GENERALIZED MYASTHENIA GRAVIS WITH ECULIZUMAB Final Rejection Alexion Pharmaceuticals, Inc.
17770304 Immunotherapy Targeting Tumor Neoantigenic Peptides Non-Final OA INSERM (Institut National de la Santé et de la Recherche Médicale)
17830865 PLACENTA-DERIVED ALLOGENEIC CAR-T CELLS AND USES THEREOF Final Rejection Sorrento Therapeutics, Inc.
18285636 CHIMERIC ANTIGEN RECEPTOR COMPRISING AN ANTI-HER2 ANTIBODY OR ANTIGEN-BINDING FRAGMENT THEREOF AND NATURAL KILLER CELLS COMPRISING THE SAME Non-Final OA GC CELL CORPORATION
18285634 CHIMERIC ANTIGEN RECEPTOR COMPRISING AN ANTI-CD19 ANTIBODY OR ANTIGEN-BINDING FRAGMENT THEREOF AND NATURAL KILLER CELLS COMPRISING THE SAME Non-Final OA GC Cell Corporation
18272329 COMPOSITIONS AND METHODS FOR PREVENTING TUMORS AND CANCER Non-Final OA Cancer Advances Inc.
18256172 ANTIBODY SPECIFIC FOR CD47 AND USES THEREOF Non-Final OA INNOBATION BIO., LTD.
18039868 MODIFIED T CELLS FOR ADOPTIVE IMMUNOTHERAPY Non-Final OA GUIZHOU SINORDA BIOTECHNOLOGY CO., LTD.
18167529 METHODS OF USING INTERLEUKIN-2 AGENTS Final Rejection VISTERRA, INC.
18050411 METHODS FOR CULTURING CELLS EXPRESSING ROR1-BINDING PROTEIN Non-Final OA Lyell Immunopharma, Inc.
18113399 ACTIVATABLE IL-18 POLYPEPTIDES Final Rejection Bright Peak Therapeutics AG
18160886 ANTI-PVRIG PROTEIN ANTIBODY OR ANTIBODY FRAGMENT AND USE THEREOF Non-Final OA HEFEI TG IMMUNOPHARMA CO., LTD.
18010974 COMPOSITIONS AND METHODS FOR MODULATING FLRT3 MEDIATED SIGNAL TRANSDUCTION Non-Final OA NEXTCURE, INC.

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