Prosecution Insights
Last updated: May 29, 2026

Examiner: HUYNH, PHUONG N

Tech Center 1600 • Art Units: 1641 1644

This examiner grants 66% of resolved cases

Performance Statistics

65.7%
Allow Rate
+5.7% vs TC avg
1,393
Total Applications
+53.3%
Interview Lift
1139
Avg Prosecution Days
Based on 1324 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
8.4%
§102 Novelty
39.1%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18482448 ANTI-PTCRA ANTIBODY-DRUG CONJUGATES AND USES THEREOF Non-Final OA REGENERON PHARMACEUTICALS, INC.
19329403 ANTI-TRANSFERRIN RECEPTOR ANTIBODY-PMO CONJUGATES FOR INDUCING DMD EXON 44 SKIPPING Non-Final OA Avidity Biosciences, Inc.
18629314 COMPOSITIONS AND METHODS FOR SELECTIVE PROTEIN DEGRADATION Non-Final OA Novartis AG
18178886 SPECIFIC SITES FOR MODIFYING ANTIBODIES TO MAKE IMMUNOCONJUGATES Final Rejection Novartis AG
18210604 ASSEMBLY OF BISPECIFIC ANTIBODIES Final Rejection Genentech, Inc.
17641736 Purification Method for Bispecific antigen-binding Polypeptides with Enhanced Protein L Capture Dynamic Binding Capacity Non-Final OA AMGEN INC.
17507511 ACTIVATABLE THERAPEUTIC MULTISPECIFIC POLYPEPTIDES WITH EXTENDED HALF-LIFE Final Rejection Hoffmann-La Roche Inc.
17507029 THERAPEUTIC MULTISPECIFIC POLYPEPTIDES ACTIVATED BY POLYPEPTIDE CHAIN EXCHANGE Final Rejection Hoffmann-La Roche Inc.
18295822 STABILIZED ACE2 VARIANT, ACE2-FC FUSION PROTEIN USING SAME, AND METHOD FOR PREVENTING OR TREATING COVID-19 Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
19098785 ANTI-MUC1* ANTIBODY DRUG COMPLEXES AND USES THEREOF Non-Final OA Minerva Biotechnologies Corporation
19002112 DIMERIC ANTIBODIES AND THEIR METHODS OF MANUFACTURE Final Rejection Medicovestor, Inc.
17906792 In vivo targeting of CD4+-T cells for mRNA therapeutics Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18653316 INTRACELLULAR DELIVERY COMPOSITIONS Final Rejection Biond Biologics Ltd.
17917523 TARGETED REDUCTION OF ACTIVATED IMMUNE CELLS Non-Final OA The United States Government as represented by the Department of Veterans Affairs
17727395 ANTIBODIES COMPRISING MULTIPLE SITE-SPECIFIC NON-NATURAL AMINO ACID RESIDUES, METHODS OF THEIR PREPARATION AND METHODS OF THEIR USE Non-Final OA SUTRO BIOPHARMA, INC.
18612960 Bispecific Asymmetric Heterodimers Comprising Anti-CD3 Constructs Non-Final OA ZYMEWORKS BC INC.
18490804 MULTISPECIFIC NKp46 BINDING PROTEINS Non-Final OA INNATE PHARMA
18028420 THERAPEUTIC USE, FOR NEURODEGENERATIVE DISEASES, OF TRIPLE AGONIST HAVING ACTIVITY WITH RESPECT TO ALL OF GLUCAGON, GLP-1, AND GIP RECEPTORS, OR CONJUGATE THEREOF Non-Final OA HANMI PHARM. CO., LTD.
17907659 MULTISPECIFIC ANTIBODY AND METHOD FOR PRODUCING SAME Non-Final OA University Public Corporation Osaka
17939736 PRODUCTION OF HETERODIMERIC PROTEINS Final Rejection Genmab A/S
18463715 LINKERS, CONJUGATES AND APPLICATIONS THEREOF Non-Final OA GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
17931258 BISPECIFIC CAR T-CELLS FOR SOLID TUMOR TARGETING Non-Final OA Seattle Children's Hospital (dba Seattle Children's Research Institute)
17312193 SAPONIN CONJUGATED TO EPITOPE-BINDING PROTEINS Non-Final OA Sapreme Technologies B.V.
18024486 METHODS OF PREPARING PROTEIN-OLIGONUCLEOTIDE COMPLEXES Non-Final OA Dyne Therapeutics, Inc.
18116172 METHODS FOR THE PREPARATION OF BIOCONJUGATES Non-Final OA Synaffix B.V.
17301599 ANTIBODIES AND CONJUGATES THEREOF Final Rejection KODIAK SCIENCES INC.
18107265 MHC CLASS II T-CELL MODULATORY MULTIMERIC POLYPEPTIDES AND METHODS OF USE THEREOF Non-Final OA Cue Biopharma, Inc.
17923070 Hypoimmunogenic Cells and Uses Thereof in Immune Responses Non-Final OA RXCELL INC.
17012102 DIMERIC PROTEIN WITH TRIPLE MUTATIONS Final Rejection GENMAB B.V.
17774906 FENTANYL HAPTEN, FENTANYL HAPTEN-CONJUGATES, AND METHODS FOR MAKING AND USING Final Rejection RTI INTERNATIONAL

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