Prosecution Insights
Last updated: May 29, 2026

Examiner: FAUST, AMBER KATHLEEN

Tech Center 1600 • Art Units: 1643 1674

This examiner grants 62% of resolved cases

Performance Statistics

62.3%
Allow Rate
+2.3% vs TC avg
106
Total Applications
+50.3%
Interview Lift
1321
Avg Prosecution Days
Based on 61 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
9.8%
§102 Novelty
38.7%
§103 Obviousness
11.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18038101 ENGINEERED T CELLS FOR EXPRESSION OF CHIMERIC ANITGEN RECEPTORS Non-Final OA The Regents of the University of California
18138679 TARGETING STROMA-CANCER INTERACTIONS IN CANCER Non-Final OA The Regents of the University of California
17310279 TARGETED DELIVERY OF IFN GAMMA USING ANTIBODY FUSION PROTEINS Final Rejection The Regents of the University of California
17183904 COMPOSITIONS COMPRISING IL6R ANTIBODIES FOR THE TREATMENT OF UVEITIS AND MACULAR EDEMA AND METHODS OF USING SAME Non-Final OA REGENERON PHARMACEUTICALS, INC.
17431276 USE OF A STIMULATING AGENT TO ASSAY IMMUNE CELL POTENCY Final Rejection RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
18177023 TRANSFORMED NATURAL KILLER CELL Non-Final OA Purdue Research Foundation
18317797 ENHANCED IMMUNE CELLS USING DUAL SHRNA AND COMPOSITION INCLUDING THE SAME Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18264604 CHIMERIC ANTIGEN RECEPTOR WITH ENDOGENOUS PROTEIN MOLECULE REPLACING SINGLE DOMAIN ANTIBODY Non-Final OA ZHEJIANG UNIVERSITY
18284209 HUMANIZED ANTIBODIES AGAINST PAIRED HELICAL FILAMENT TAU AND USES THEREOF Non-Final OA Janssen Biotech, Inc.
17290128 PEPTIDES, COMPOSITIONS AND VACCINES FOR TREATMENT OF MICROSATELLITE INSTABLITY HYPERMUTATED TUMORS AND METHODS OF USE THEREOF Non-Final OA Icahn School of Medicine at Mount Sinai
18038423 COMPOSITIONS AND USES OF PSCA TARGETED CHIMERIC ANTIGEN RECEPTOR MODIFIED CELLS Non-Final OA City of Hope
18201620 USE OF ANTI-IL-27 ANTIBODIES Non-Final OA MSD INTERNATIONAL GMBH
17264522 IMMUNE MODIFYING PARTICLES FOR THE TREATMENT OF CANCER Final Rejection onCour Pharma, Inc.
17290439 HER2 S310F SPECIFIC ANTIGEN-BINDING MOLECULES Final Rejection Chugai Seiyaku Kabushiki Kaisha
18179201 MULTIPLEX GENE EDITED CELLS FOR CD70-DIRECTED CANCER IMMUNOTHERAPY Final Rejection CRISPR THERAPEUTICS AG
16978953 ANTI-PD-1 VACCINE COMPOSITION Non-Final OA CONSERVATOIRE NATIONAL DES ARTS ET METIERS
17596421 METHODS OF PRODUCING AN ANTI-a4B7 ANTIBODY Final Rejection Takeda Pharmaceutical Company Limited
18248979 ANTI-C-C CHEMOKINE RECEPTOR 8 (CCR8) ANTIBODIES AND METHODS OF USE THEREOF Non-Final OA Five Prime Therapeutics, Inc.
17598650 ANTI-CCR5 AGENTS AND METHODS OF TREATMENT THAT BLOCK CANCER METASTASIS OR ENHANCE CELL DEATH INDUCED BY DNA DAMAGING CHEMOTHERAPY Final Rejection CytoDyn Inc.
18551146 HYBRID MOLECULE COMPRISING A FIBRIN-DERIVED CITRULLINATED PEPTIDE AND AN ANTIBODY OR ANTIBODY FRAGMENT WHICH BINDS TO CD38 AND/OR CD138, AND USES THEREOF Non-Final OA ARTHRITIS RECHERCHE & DEVELOPPEMENT
18218535 Sialylated Glycoproteins Non-Final OA Momenta Pharmaceuticals, Inc.
17599468 COMPOSITIONS AND METHODS FOR PREPARING T CELL COMPOSITIONS AND USES THEREOF Final Rejection BIONTECH US INC.
18266435 METHODS FOR GENERATING HEMATOPOIETIC STEM CELLS AND COMPOSITIONS THEREOF Non-Final OA GARUDA THERAPEUTICS, INC.
18266340 PRAME BINDING MOLECULE Non-Final OA MIE UNIVERSITY
18249879 ANTIBODIES TARGETING HER2 AND CD3 AND USES THEREOF Final Rejection Janux Therapeutics, Inc.
18041770 RECOMBINANT IMMUNOTOXIN COMPRISING A RIBOTOXIN OR RNASE Final Rejection ATB Therapeutics
17258529 Cyclic Single-Chain Antibody Non-Final OA NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
17792993 A NOVEL CD16+ NATURAL KILLER CELL AND A METHOD OF CULTURING CD16+ NATURAL KILLER CELL Non-Final OA Acepodia Biotechnologies Ltd.
17680468 MODULAR ASSEMBLY RECEPTORS AND USES THEREOF Final Rejection 12343096 CANADA INC.
17423599 FORMULATIONS OF ANTIBODIES THAT BIND HUMAN CD137 AND USES THEREOF Final Rejection Compass Therapeutics LLC

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