Prosecution Insights
Last updated: April 19, 2026

Examiner: CUNNINGCHEN, KATHLEEN MARY

Tech Center 1600 • Art Units: 1646

This examiner grants 65% of resolved cases

Performance Statistics

65.1%
Allow Rate
+5.1% vs TC avg
83
Total Applications
+55.9%
Interview Lift
1641
Avg Prosecution Days
Based on 43 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
15.5%
§102 Novelty
28.2%
§103 Obviousness
34.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17265934 MODULATING PTPN2 TO INCREASE IMMUNE RESPONSES AND PERTURBING GENE EXPRESSION IN HEMATOPOIETIC STEM CELL LINEAGES Final Rejection President and Fellows of Harvard College
17999352 ENGINEERED ANTI-PROSTATE STEM CELL ANTIGEN FUSION PROTEINS AND USES THEREOF Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17595015 NON-HLA MARKERS OF TRANSPLANT REJECTION Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18155510 HISTAMINE AND HRH1 SIGNALING ACTIVITY AS BIOMARKERS AND ASSOCIATED METHODS Non-Final OA Board of Regents, The University of Texas System
17767818 RECOMBINANT POLYPEPTIDES FOR REGULATABLE CELLULAR LOCALIZATION Final Rejection The Board of Trustees of the Leland Stanford Junior University
17149541 USE OF INHIBITORY CHIMERIC RECEPTORS TO PREVENT T CELL-INDUCED BLOOD BRAIN BARRIER DAMAGE Final Rejection THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
18056907 MULTISPECIFIC BINDING MOIETIES COMPRISING PD-1 AND TGF-BRII BINDING DOMAINS Non-Final OA Incyte Corporation
18266053 MUTATIONS IN FELINE ANTIBODY CONSTANT REGIONS Non-Final OA Zoetis Services LLC
17702648 COMBINATION RADIOIMMUNOTHERAPY AND CD47 BLOCKADE IN THE TREATMENT OF CANCER Non-Final OA ACTINIUM PHARMACEUTICALS, INC.
18256853 TREATMENT OF CANCERS WITH TUMOR INFILTRATING LYMPHOCYTE THERAPIES Non-Final OA Iovance Biotherapeutics, Inc.
17427434 DNA-ENCODED BISPECIFIC T-CELL ENGAGERS TARGETING CANCER ANTIGENS AND METHODS OF USE IN CANCER THERAPUTICS Non-Final OA THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY
17624505 ANTI-CD47/ANTI-CTLA-4 BISPECIFIC ANTIBODY AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Non-Final OA Nanjing GenScript Biotech Co., Ltd.
18336248 METHOD FOR TREATING AUTOIMMUNE DISEASE USING CD4 T-CELLS WITH ENGINEERED STABILIZATION OF EXPRESSION OF ENDOGENOUS FOXP3 GENE Non-Final OA Seattle Children's Hospital (dba Seattle Children's Research Institute)
17922179 RECOMBINANT PROTEIN HAVING FUSED INTERFERON-BETA MUTEIN AND ANTIBODY, AND PHARMACEUTICAL COMPOSITION COMPRISING SAME Non-Final OA ABION INC.
18314077 COMPOSITIONS AND METHODS RELATED TO TUMOR ACTIVATED ANTIBODIES TARGETING PSMA AND EFFECTOR CELL ANTIGENS Non-Final OA Janux Therapeutics, Inc.
18256241 BYSTANDER PROTEIN VACCINES Non-Final OA IOGENETICS, LLC
18311108 SYSTEMS AND METHODS FOR ENHANCED IMMUNOTHERAPIES Non-Final OA Hangzhou Qihan Biotech Co., Ltd.
17995287 PLATFORM FOR CONSTRUCTING MULTISPECIFIC ANTIBODY Non-Final OA BIOTHEUS INC.
17621978 EGFR ANTIGEN BINDING FRAGMENTS AND COMPOSITIONS COMPRISING SAME Non-Final OA AMUNIX PHARMACEUTICALS, INC.
18056616 CD19-TARGETED CHIMERIC ANTIGEN RECEPTOR AND USE THEREOF Non-Final OA JUVENTAS CELL THERAPY LTD.
17998527 MULTISPECIFIC ANTIBODIES TARGETING CD38 AND BCMA AND USES THEREOF Non-Final OA Virtuoso BINco, Inc.
17979541 CHIMERIC POLYPEPTIDES AND METHODS OF USING THE SAME Non-Final OA FUNDAKAO D. ANNA DE SOMMER CHAMPALIMAUD E DR. CARLOS MONTEZ CHAMPALIMAUDS FOUNDATION
17310463 CHIMERIC ANTIGEN RECEPTOR-MODIFIED CELLS FOR THE TREATMENT OF CLDN6-EXPRESSING CANCERS Non-Final OA BIONTECH CELL & GENE THERAPIES GMBH
17486709 Antibodies Directed Against Programmed Death-1 (PD-1) Non-Final OA ANAPTYSBIO, INC.
17633439 THERAPEUTIC USES OF ANTI-TCR DELTA VARIABLE 1 ANTIBODIES Final Rejection GAMMADELTA THERAPEUTICS LIMITED

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