Prosecution Insights
Last updated: May 29, 2026

Examiner: LI, RUIXIANG

Tech Center 1600 • Art Units: 1634 1646 1674

This examiner grants 59% of resolved cases

Performance Statistics

59.4%
Allow Rate
-0.6% vs TC avg
1,051
Total Applications
+19.0%
Interview Lift
1013
Avg Prosecution Days
Based on 1019 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
18.7%
§102 Novelty
30.8%
§103 Obviousness
40.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19333264 Stabilized Formulations Containing Anti-Interleukin-4 Receptor (IL-4R) Antibodies Final Rejection Regeneron Pharmaceuticals, Inc.
18359483 PROTEIN BINDING DOMAINS STABILIZING FUNCTIONAL CONFORMATIONAL STATES OF GPCRS AND USES THEREOF Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17924612 COMPOSITIONS AND METHODS FOR TREATING LYSOSOMAL STORAGE DISORDERS Non-Final OA THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
19055378 METHODS OF ENHANCING EFFICACY OF IMMUNOCONJUGATES USING PAIRED HUMAN ANTIBODIES TARGETED AT NON-OVERLAPPING B-CELL EPITOPES ON THE SAME ANTIGEN Final Rejection Medicovestor, Inc.
18333172 COMPOSITIONS AND METHODS FOR TARGETED CYTOKINE DELIVERY Non-Final OA Washington University
17905453 USE OF ANTI-FAM19A1 ANTAGONISTS FOR TREATING CENTRAL NERVOUS SYSTEM DISEASES Non-Final OA NEURACLE SCIENCE CO., LTD.
17716467 ANTIGEN-BINDING MOLECULE FOR PROMOTING CLEARANCE FROM PLASMA OF ANTIGEN COMPRISING SUGAR CHAIN RECEPTOR-BINDING DOMAIN Final Rejection Chugai Seiyaku Kabushiki Kaisha
18052476 SERINE PROTEASE MOLECULES AND THERAPIES Final Rejection Research Development Foundation
17487164 NANOPORES WITH INTERNAL PROTEIN ADAPTORS Final Rejection Rijksuniversiteit Groningen
18304801 MUTANT G-PROTEIN COUPLED RECEPTORS AND METHODS FOR SELECTING THEM Final Rejection NXERA PHARMA UK LIMITED
17915567 RNA COMPOSITIONS TARGETING CLAUDIN-18.2 Non-Final OA BioNTech SE
18253756 ANTI-GALECTIN-9 ANTIBODIES AND THERAPEUTIC USES THEREOF Non-Final OA PureTech LYT, Inc.
18000010 METHODS AND COMPOSITIONS FOR TREATING, PREVENTING THE ONSET AND/OR SLOWING PROGRESSION OF OSTEOARTHRITIS Non-Final OA New York Society for the Relief of the Ruptured and Crippled, maintaining the Hospital for Special
17596140 Genetically Engineered Cells Sensitive for Clostridial Neurotoxins Non-Final OA SYNAPTIC RESEARCH, LLC
17514898 NEUROPILIN ANTIBODY NASAL SPRAY TO REDUCE COVID-19 TRANSMISSION Final Rejection MARV ENTERPRISES LLC

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