Prosecution Insights
Last updated: April 19, 2026

Examiner: FAUST, AMBER KATHLEEN

Tech Center 1600 • Art Units: 1643 1674

This examiner grants 64% of resolved cases

Performance Statistics

64.3%
Allow Rate
+4.3% vs TC avg
102
Total Applications
+47.9%
Interview Lift
1180
Avg Prosecution Days
Based on 56 resolved cases, 2023–2026

Rejection Statute Breakdown

3.3%
§101 Eligibility
18.8%
§102 Novelty
31.9%
§103 Obviousness
25.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17596421 METHODS OF PRODUCING AN ANTI-a4B7 ANTIBODY Final Rejection Takeda Pharmaceutical Company Limited
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
17697632 BISPECIFIC FC MOLECULES Non-Final OA Amgen Inc.
17431276 USE OF A STIMULATING AGENT TO ASSAY IMMUNE CELL POTENCY Final Rejection RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
17183904 COMPOSITIONS COMPRISING IL6R ANTIBODIES FOR THE TREATMENT OF UVEITIS AND MACULAR EDEMA AND METHODS OF USING SAME Non-Final OA REGENERON PHARMACEUTICALS, INC.
18177023 TRANSFORMED NATURAL KILLER CELL Non-Final OA Purdue Research Foundation
18080452 HIF-1a MODULATORS AND USES THEREOF Non-Final OA Brown University
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
18917836 EFFECTOR CELLS AND USE THEREOF FOR ALLOGENEIC ADOPTIVE CELL THERAPIES IN SOLID TUMORS Non-Final OA FATE THERAPEUTICS, INC.
17430331 COMBINATION OF T-CELL THERAPY AND TARGETED THERAPY FOR TREATING THERAPY-RESISTANT MELANOMA WITH MUTATIONS IN THE BRAF GENE Non-Final OA H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.
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
16978953 ANTI-PD-1 VACCINE COMPOSITION Non-Final OA CONSERVATOIRE NATIONAL DES ARTS ET METIERS
18248979 ANTI-C-C CHEMOKINE RECEPTOR 8 (CCR8) ANTIBODIES AND METHODS OF USE THEREOF Non-Final OA Five Prime Therapeutics, Inc.
17431041 PRODUCING COMPOSITIONS COMPRISING TWO OR MORE ANTIBODIES Non-Final OA Merus N.V.
16499144 ERBB-2 TARGETING AGENT AND A BISPECIFIC ANTIBODY WITH ANTIGEN-BINDING SITES THAT BIND AN EPITOPE ON AN EXTRACELLULAR PART OF ERB-2 AND ERBB-3, FOR TREATMENT OF AN INDIVIDUAL WITH AN ERBB-2, ERBB-2/ERBB-3 POSITIVE TUMOUR Final Rejection Merus N.V.
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.
18266340 PRAME BINDING MOLECULE Non-Final OA MIE UNIVERSITY
18266435 METHODS FOR GENERATING HEMATOPOIETIC STEM CELLS AND COMPOSITIONS THEREOF Non-Final OA GARUDA THERAPEUTICS, INC.
18042276 CATIONIC NANOPARTICLE ADJUVANTS Non-Final OA Rasheid SMITH
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

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month