Prosecution Insights
Last updated: August 18, 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
1,055
Total Applications
+19.1%
Interview Lift
1015
Avg Prosecution Days
Based on 1025 resolved cases, 2023–2026

Rejection Statute Breakdown

6.5%
§101 Eligibility
17.4%
§102 Novelty
19.3%
§103 Obviousness
46.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18249807 PROTEINS COMPRISING DELTA-LIKE LIGAND 3 (DLL3) ANTIGEN BINDING DOMAINS AND THEIR USES Non-Final OA Janssen Biotech, Inc.
18359483 PROTEIN BINDING DOMAINS STABILIZING FUNCTIONAL CONFORMATIONAL STATES OF GPCRS AND USES THEREOF Final Rejection 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
19333264 Stabilized Formulations Containing Anti-Interleukin-4 Receptor (IL-4R) Antibodies Non-Final OA Regeneron Pharmaceuticals, Inc.
18432780 Stabilized Formulations Containing Anti-Interleukin-4 Receptor (IL-4R) Antibodies Non-Final OA Regeneron Pharmaceuticals, Inc.
18400667 COMPOSITIONS AND METHODS FOR TARGETED CYTOKINE DELIVERY Non-Final OA Washington University
17915567 RNA COMPOSITIONS TARGETING CLAUDIN-18.2 Final Rejection BioNTech SE
18052476 SERINE PROTEASE MOLECULES AND THERAPIES Non-Final OA Research Development Foundation
18003484 METHODS AND COMPOSITIONS FOR CANCER TREATMENT Non-Final OA SHIHUIDA PHARMACEUTICAL GROUP (JILIN) CO., LTD.

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