Prosecution Insights
Last updated: October 02, 2026

Examiner: HUYNH, PHUONG N

Tech Center 1600 • Art Units: 1641 1643 1644

This examiner grants 66% of resolved cases

Analysis

Phuong N Huynh is a high-volume examiner in Tech Center 1600, working in Art Unit 1641. With 1346 resolved cases, the examiner has one of the most extensive records available. This volume of 1346 cases provides a very high level of statistical confidence in the associated metrics. The data reveals an allowance rate of 65.8 percent, suggesting a favorable environment for applicants.

The median time to allowance is 1140 days. This 1140-day timeline represents the typical duration from filing to grant for this examiner. Practitioners should use this figure to manage timelines and expectations for applications in Art Unit 1641. The 65.8 percent allowance rate is a reliable baseline for any application assigned to this examiner in Tech Center 1600.

A standout metric for this examiner is the interview lift of 53.5 percent. This exceptionally high lift indicates that interviews are an extremely effective tool for advancing prosecution. A 53.5 percent increase in the likelihood of success following an interview is a very strong signal that practitioners should prioritize direct engagement. In Art Unit 1641, leveraging this 53.5 percent lift is likely the most effective way to improve upon the 65.8 percent base allowance rate.

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

Performance Statistics

65.7%
Allow Rate
+5.7% vs TC avg
1,412
Total Applications
+53.6%
Interview Lift
1140
Avg Prosecution Days
Based on 1348 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
14.4%
§102 Novelty
25.3%
§103 Obviousness
40.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18499720 BCMA-TARGETED CAR-T CELL THERAPY OF MULTIPLE MYELOMA Non-Final OA JANSSEN BIOTECH, INC.
18555924 MOLECULES WITH ENGINEERED ANTIBODY CONSTANT REGION VARIANTS Non-Final OA Janssen Biotech, Inc.
17771227 COMBINED INHIBITION OF PD-1, TGFB AND TIGIT FOR THE TREATMENT OF CANCER Non-Final OA MERCK PATENT GmbH
18210604 ASSEMBLY OF BISPECIFIC ANTIBODIES Final Rejection Genentech, Inc.
17628418 COMPOSITIONS AND METHODS FOR TREATING AUTOIMMUNE DISORDERS Final Rejection The Regents of the University of Michigan
18291283 COMBINATIONS OF ANTIGEN BINDING MOLECULES Non-Final OA MORPHOSYS GMBH
18509030 COMPOSITIONS AND METHODS FOR FIBROBLAST GROWTH FACTOR RECEPTOR 3-MEDIATED DELIVERY TO ASTROCYTES Non-Final OA Regeneron Pharmaceuticals, Inc.
19329403 ANTI-TRANSFERRIN RECEPTOR ANTIBODY-PMO CONJUGATES FOR INDUCING DMD EXON 44 SKIPPING Final Rejection Avidity Biosciences, Inc.
18182093 ANTIBODY DRUG CONJUGATES (ADCS) HAVING ENZYMATICALLY CLEAVABLE GROUPS Final Rejection Bayer Aktiengesellschaft
18570723 TARGETED ADAM17 BLOCKER COMPOUNDS, ANTI-ADAM17 ANTIBODIES, METHODS OF MAKING, AND METHODS OF USING Non-Final OA REGENTS OF THE UNIVERSITY OF MINNESOTA
18185465 PSEUDOFAB-BASED MULTISPECIFIC BINDING PROTEINS Final Rejection SANOFI
18256916 HUMAN CHIMERIC ANTIGEN RECEPTOR NEUTROPHILS, COMPOSITIONS, KITS AND METHODS OF USE Non-Final OA Purdue Research Foundation
17961761 NANOPARTICLE IMMUNOCONJUGATES Final Rejection The Curators of the University of Missouri
18298743 METHOD FOR ALTERING PLASMA RETENTION AND IMMUNOGENICITY OF ANTIGEN-BINDING MOLECULE Non-Final OA Chugai Seiyaku Kabushiki Kaisha
13885646 AGENTS AND METHODS FOR TREATING DISEASES THAT CORRELATE WITH BCMA EXPRESSION Non-Final OA BOEHRINGER INGELHEIM INTERNATIONAL GMBH
18430887 METHOD FOR DETERMINING THE AMOUNT OF A THERAPEUTIC ANTIBODY IN THE BRAIN Non-Final OA Hoffmann-La Roche Inc.
17507511 ACTIVATABLE THERAPEUTIC MULTISPECIFIC POLYPEPTIDES WITH EXTENDED HALF-LIFE Non-Final OA Hoffmann-La Roche Inc.
17507029 THERAPEUTIC MULTISPECIFIC POLYPEPTIDES ACTIVATED BY POLYPEPTIDE CHAIN EXCHANGE Non-Final OA Hoffmann-La Roche Inc.
17335702 AFFINITY CHROMATOGRAPHY PURIFICATION WITH LOW CONDUCTIVITY WASH BUFFER Non-Final OA Hoffmann-La Roche Inc.
18248345 RATIONAL SELECTION OF BUILDING BLOCKS FOR THE ASSEMBLY OF MULTISPECIFIC ANTIBODIES Non-Final OA AMGEN INC.
18022685 PHARMACEUTICAL FORMULATION Non-Final OA AMGEN INC.
18551138 METHODS FOR INFILTRATING LYMPHOCYTE (TIL) EXPANSION RELATED TO CD39/CD69 SELECTION AND GENE KNOCKOUT IN TILS Non-Final OA Iovance Biotherapeutics, Inc.
18674217 Synergistic Inhibition of eIF5A and Notch Signaling in Intermediate Tregs Non-Final OA The University of Toledo
18353183 Synergistic Inhibition of eIF5A and Notch Signaling Final Rejection The University of Toledo
18274875 NOVEL ESR1 DERIVED PEPTIDES AND USES THEREOF FOR NEOANTIGEN THERAPY Non-Final OA H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.
18463047 HYPERGLYCOSYLATED BINDING POLYPEPTIDES Non-Final OA GENZYME CORPORATION
17782980 ANTI-CLAUDIN ANTIBODY-DRUG CONJUGATE AND PHARMACEUTICAL USE THEREOF Non-Final OA SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD.
18016308 METHOD FOR PRODUCING ANTIBODY-DRUG CONJUGATE Non-Final OA DAIICHI SANKYO COMPANY, LIMITED
18584875 B7H6 ANTIBODY AND USE THEREOF Non-Final OA HEFEI TG IMMUNOPHARMA CO., LTD.
18012760 COMBINATION OF AN ANTIBODY-DRUG CONJUGATE AND AN ANTIBODY-SAPONIN CONJUGATE Final Rejection SAPREME TECHNOLOGIES B.V.

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