Prosecution Insights
Last updated: May 29, 2026

Examiner: CUNNINGCHEN, KATHLEEN MARY

Tech Center 1600 • Art Units: 1646

This examiner grants 64% of resolved cases

Performance Statistics

63.8%
Allow Rate
+3.8% vs TC avg
86
Total Applications
+59.5%
Interview Lift
1438
Avg Prosecution Days
Based on 47 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
6.9%
§102 Novelty
38.8%
§103 Obviousness
18.8%
§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
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
18155510 HISTAMINE AND HRH1 SIGNALING ACTIVITY AS BIOMARKERS AND ASSOCIATED METHODS Non-Final OA Board of Regents, The University of Texas System
18256853 TREATMENT OF CANCERS WITH TUMOR INFILTRATING LYMPHOCYTE THERAPIES Non-Final OA Iovance Biotherapeutics, Inc.
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
18311108 SYSTEMS AND METHODS FOR ENHANCED IMMUNOTHERAPIES Non-Final OA Hangzhou Qihan 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)
18314077 COMPOSITIONS AND METHODS RELATED TO TUMOR ACTIVATED ANTIBODIES TARGETING PSMA AND EFFECTOR CELL ANTIGENS Non-Final OA Janux Therapeutics, Inc.
18303075 METHODS AND COMPOSITIONS FOR CELLULAR THERAPY Non-Final OA Replay Holdings, Inc.
17702648 COMBINATION RADIOIMMUNOTHERAPY AND CD47 BLOCKADE IN THE TREATMENT OF CANCER Non-Final OA ACTINIUM PHARMACEUTICALS, INC.
17621978 EGFR ANTIGEN BINDING FRAGMENTS AND COMPOSITIONS COMPRISING SAME Non-Final OA AMUNIX PHARMACEUTICALS, INC.
17998527 MULTISPECIFIC ANTIBODIES TARGETING CD38 AND BCMA AND USES THEREOF Non-Final OA Virtuoso BINco, Inc.
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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