Prosecution Insights
Last updated: May 29, 2026

Examiner: HOLTZMAN, KATHERINE ANN

Tech Center 1600 • Art Units: 1644 1646

This examiner grants 64% of resolved cases

Performance Statistics

64.5%
Allow Rate
+4.5% vs TC avg
89
Total Applications
+57.9%
Interview Lift
1326
Avg Prosecution Days
Based on 62 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
7.4%
§102 Novelty
36.8%
§103 Obviousness
13.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18465854 COMPOSITIONS AND METHODS OF TREATING LUPUS NEPHRITIS Non-Final OA Hoffmann-La Roche Inc.
17754992 METHODS TO PREPARE V-T CELLS DERIVED EXOSOMES FOR TREATMENT OF EPSTEIN-BARR VIRUS-ASSOCIATED CANCERS Final Rejection THE UNIVERSITY OF HONG KONG
18025879 METHODS, THERAPIES AND USES FOR TREATING CANCER Non-Final OA PFIZER INC.
17240609 Materials and Methods for Treating Juvenile Idiopathic Arthritis Final Rejection Janssen Biotech, Inc.
18306956 INNATE IMMUNE PROTEINS AS BIOMARKERS FOR TRAUMATIC BRAIN INJURY IN ADULT AND PEDIATRIC PATIENTS Non-Final OA University of Miami
17312855 Models and Methods Useful for the Treatment of Serrated Colorectal Cancer Non-Final OA Sanford Burnham Prebys Medical Discovery Institute
17286247 METHOD FOR THE TREATMENT OF MYASTHENIA GRAVIS Final Rejection UCB BIOPHARMA SRL
18260905 ROR1-TARGETING ANTIBODY AND USE THEREOF Non-Final OA BIOHENG THERAPEUTICS LIMITED
18361775 PROTOCOL TO MINIMIZE CALCINEURIN INHIBITOR NEPHROTOXICITY Final Rejection Aurinia Pharmaceuticals Inc.
18324105 GENETICALLY ENGINEERED DENDRITIC CELLS TO ACTIVATE PROTEIN SPECIFIC T CELLS FOR THE TREATMENT OF VIRAL AND OTHER PATHOGENIC INFECTIONS Non-Final OA NeyroblastGX LLC,
16586730 METHODS FOR IDENTIFYING ACTIVATING ANTIGEN RECEPTOR (aCAR)/INHIBITORY CHIMERIC ANTIGEN RECEPTOR (iCAR) PAIRS FOR USE IN CANCER THERAPIES Non-Final OA GAVISH-GALILEE BIO APPLICATIONS LTD.
18003076 ANTI-CTLA-4 BINDING PROTEINS AND METHODS OF USE THEREOF Final Rejection GigaGen, Inc.
17616575 BISPECIFIC BINDING CONSTRUCTS WITH SELECTIVELY CLEAVABLE LINKERS Final Rejection AMGEN RESEARCH (MUNICH) GMBH
17368815 USE OF AN ANTI-CD45 ANTIBODY DRUG CONJUGATE (ADC) IN CELL THERAPY Final Rejection Magenta Therapeutics, Inc.
17050988 COMPOSITIONS AND METHODS RELATING TO THE TREATMENT OF DISEASES Final Rejection ILC Therapeutics LTD

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