Prosecution Insights
Last updated: October 02, 2026

Examiner: FAUST, AMBER KATHLEEN

Tech Center 1600 • Art Units: 1643 1674

This examiner grants 61% of resolved cases

Analysis

Amber Kathleen Faust operates within Tech Center 1600 and Art Unit 1643, where she has managed 71 resolved cases. Her allowance rate stands at 60.6 percent. This rate suggests a moderate level of patentability across her docket, providing a baseline for applicants navigating the biotechnology and organic fields. Practitioners should view this 60.6 percent rate as an indication that success is achievable through diligent prosecution.

A significant feature of her practice is the interview lift of 53.3 percent. This high lift indicates that conducting an examiner interview is a highly effective strategy for overcoming rejections in her art unit. Practitioners should prioritize direct communication to resolve outstanding issues, as the 53.3 percent lift is a highly impactful metric in her profile. Engaging in a dialogue may help clarify technical nuances that written responses alone might not address.

The median days to allowance for her cases is 1353. This timeline reflects the duration from filing to grant for successful applications. With 71 resolved cases, her profile represents a specific subset of examination outcomes. Applicants should prepare for a prosecution cycle that typically spans 1353 days, while leveraging the substantial interview lift to improve their chances within this median timeframe.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

60.6%
Allow Rate
+0.6% vs TC avg
111
Total Applications
+53.3%
Interview Lift
1353
Avg Prosecution Days
Based on 71 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
18.4%
§102 Novelty
33.3%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18639233 METHODS FOR TREATING MULTIPLE MYELOMA Non-Final OA Janssen Biotech, Inc.
18038101 ENGINEERED T CELLS FOR EXPRESSION OF CHIMERIC ANITGEN RECEPTORS Final Rejection The Regents of the University of California
18138679 TARGETING STROMA-CANCER INTERACTIONS IN CANCER Final Rejection 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
18249314 SUSTAINED ANTIBODY AND IMMUNOTHERAPEUTIC DELIVERY TO CERVICAL LYMPH NODES Non-Final OA The Johns Hopkins University
17183904 COMPOSITIONS COMPRISING IL6R ANTIBODIES FOR THE TREATMENT OF UVEITIS AND MACULAR EDEMA AND METHODS OF USING SAME Non-Final OA REGENERON PHARMACEUTICALS, INC.
18264604 CHIMERIC ANTIGEN RECEPTOR WITH ENDOGENOUS PROTEIN MOLECULE REPLACING SINGLE DOMAIN ANTIBODY Final Rejection ZHEJIANG UNIVERSITY
18703246 MODULATORS OF PROPROTEIN CONVERTASE SUBTILISIN/KEXIN TYPE 9 (PCSK9) Non-Final OA Flagship Pioneering Innovations VI, LLC
18177023 TRANSFORMED NATURAL KILLER CELL Final Rejection Purdue Research Foundation
18364503 ENGINEERED NATURAL LIGAND-BASED CAR: DIRECTED EVOLUTION OF THE STRESS-RECEPTOR NKP30 Non-Final OA THE TRUSTEES OF DARTMOUTH COLLEGE
17697632 BISPECIFIC FC MOLECULES Final Rejection Amgen Inc.
17430331 COMBINATION OF T-CELL THERAPY AND TARGETED THERAPY FOR TREATING THERAPY-RESISTANT MELANOMA WITH MUTATIONS IN THE BRAF GENE Final Rejection H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.
18570043 Treatment of Inflammatory Conditions or Diseases Non-Final OA Queen Mary University of London
18038423 COMPOSITIONS AND USES OF PSCA TARGETED CHIMERIC ANTIGEN RECEPTOR MODIFIED CELLS Final Rejection City of Hope
18580328 PHARMACEUTICAL COMPOSITION OF ANTI-ANGPTL3 ANTIBODY OR ANTIGEN BINDING FRAGMENT THEREOF AND ITS APPLICATION Non-Final OA SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD.
17433817 SELECTION OF T CELL RECEPTORS Final Rejection Gritstone bio, Inc
17431041 PRODUCING COMPOSITIONS COMPRISING TWO OR MORE ANTIBODIES Non-Final OA Merus N.V.

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