Prosecution Insights
Last updated: April 19, 2026

Examiner: HOLTZMAN, KATHERINE ANN

Tech Center 1600 • Art Units: 1644 1646

This examiner grants 64% of resolved cases

Performance Statistics

63.6%
Allow Rate
+3.6% vs TC avg
89
Total Applications
+62.4%
Interview Lift
1317
Avg Prosecution Days
Based on 55 resolved cases, 2023–2026

Rejection Statute Breakdown

5.6%
§101 Eligibility
11.7%
§102 Novelty
27.1%
§103 Obviousness
28.8%
§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
18264279 ANTIBODIES AGAINST CD112R AND USES THEREOF Non-Final OA YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD.
18025879 METHODS, THERAPIES AND USES FOR TREATING CANCER Non-Final OA PFIZER INC.
18306956 INNATE IMMUNE PROTEINS AS BIOMARKERS FOR TRAUMATIC BRAIN INJURY IN ADULT AND PEDIATRIC PATIENTS Non-Final OA University of Miami
17921600 COMPOSITIONS AND METHODS FOR TREATING INFLAMMASOME RELATED DISEASES OR CONDITIONS Final Rejection University of Miami
17240609 Materials and Methods for Treating Juvenile Idiopathic Arthritis Final Rejection Janssen Biotech, Inc.
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
17855474 ASSESSMENT METHODS AND DIAGNOSTIC KIT FOR PREDICTING ACUTE ANTIDEPRESSANT RESPONSE AND REMISSION IN PATIENTS WITH DEPRESSIVE DISORDERS USING MULTIMODAL SERUM BIOMARKERS Non-Final OA INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
18551851 CYSTEINE ENGINEERED ANTIBODY CONSTRUCTS, CONJUGATES AND METHODS OF USE Non-Final OA ZYMEWORKS INC.
18260905 ROR1-TARGETING ANTIBODY AND USE THEREOF Non-Final OA BIOHENG THERAPEUTICS LIMITED
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,
18028917 ANTI-ADENOSINE RECEPTOR (A2aR) ANTIBODIES Non-Final OA Adept Biopharmaceutical and Technology, Ltd.
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.
17789940 Epithelial Cadherin-Specific Antibodies Final Rejection Kling Biotherapeutics B.V.
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.
17593408 COMBINATION THERAPY WITH OMOMYC AND AN ANTIBODY BINDING PD-1 OR CTLA-4 FOR THE TREATMENT OF CANCER Final Rejection PEPTOMYC, S.L.
17309955 CONSTRUCTS TARGETING LABYRINTHIN OR A PORTION THEREOF AND USES THEREOF Non-Final OA LabyRx Immunologic Therapeutics (USA) Limited
17053525 GYCOMODULE MOTIFS AND USES THEREOF Non-Final OA GAT BIOSCIENCES, S.L.
17050988 COMPOSITIONS AND METHODS RELATING TO THE TREATMENT OF DISEASES Final Rejection ILC Therapeutics LTD

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