Prosecution Insights
Last updated: October 02, 2026

Examiner: LI, RUIXIANG

Tech Center 1600 • Art Units: 1634 1646 1674

This examiner grants 60% of resolved cases

Analysis

Ruixiang Li is an examiner in Tech Center 1600 and Art Unit 1634. He has 1029 resolved cases. The allowance rate for these cases is 59.5 percent. This percentage represents the frequency of patent grants among his resolved matters. The interview lift is 18.6 percent. This metric measures the increase in the probability of allowance following an examiner interview. The median time to allowance is 1017 days.

With 1029 resolved cases, the 59.5 percent allowance rate offers a clear view of the examiner's tendencies. The 18.6 percent interview lift indicates that direct communication is an effective strategy for applicants. The 1017 days median time to allowance is a key figure for planning the lifecycle of an application. These statistics help practitioners navigate the specific requirements of Art Unit 1634. The allowance rate and interview lift are the primary indicators of success in Tech Center 1600.

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

Performance Statistics

59.5%
Allow Rate
-0.5% vs TC avg
1,057
Total Applications
+18.6%
Interview Lift
1017
Avg Prosecution Days
Based on 1029 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
17.4%
§102 Novelty
19.4%
§103 Obviousness
46.1%
§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.
19080346 ENGINEERED PROTEASE ACTIVITY RESPONSIVE RECEPTORS AND USES THEREOF Final Rejection TRUSTEES OF BOSTON UNIVERSITY
18670261 ANTI-EGFR ANTIBODIES AND ANTIBODY DRUG CONJUGATES Non-Final OA AbbVie 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
18400667 COMPOSITIONS AND METHODS FOR TARGETED CYTOKINE DELIVERY Non-Final OA Washington 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.
18668446 HUMANIZED ANTI-IL-1R3 ANTIBODIES Non-Final OA SANOFI BIOTECHNOLOGY
18038460 INHIBITOR OF FIBROSIS PROGRESSION Non-Final OA The University of Tokyo
18037702 MONITORING MEMBRANE PROTEIN TRAFFICKING FOR DRUG DISCOVERY AND DRUG DEVELOPMENT Non-Final OA UNIVERSITY OF HOUSTON SYSTEM
18621483 METHODS OF TREATING HOMOLOGOUS RECOMBINATION DEFICIENT CANCER Non-Final OA ASTRAZENECA AB
18506571 MONOCLONAL IGM ANTIBODIES FROM ENTIRELY CARBOHYDRATE CONSTRUCTS Non-Final OA The University of Toledo
17441849 PHOTOACTIVE ANTIBODIES Final Rejection UEA ENTERPRISES LIMITED
17915567 RNA COMPOSITIONS TARGETING CLAUDIN-18.2 Final Rejection BioNTech SE
17938421 TARGETED CATALYTIC COMPLEMENT-ACTIVATING MOLECULES AND METHODS OF USE THEREOF Non-Final OA Omeros Corporation
18449460 ERBB-2 AND ERBB3 BINDING BISPECIFIC ANTIBODIES FOR USE IN THE TREATMENT OF CELLS THAT HAVE AN NRG1 FUSION GENE Non-Final OA Merus N.V.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month