Prosecution Insights
Last updated: October 02, 2026

Examiner: TANG, MICHAEL XUEFEI

Tech Center 3600 • Art Units: 1735 2115 3662

This examiner grants 84% of resolved cases

Analysis

Michael Xuefei Tang has resolved 329 cases in Art Unit 1735. The allowance rate is 83.6 percent, indicating a favorable environment for applicants. The median days to allowance is 902, which is the typical timeframe for reaching a grant. This 902-day figure is a key benchmark in Tech Center 3600.

The interview lift of 18.9 percent is a significant positive factor. This suggests that direct communication is an effective way to secure an allowance beyond the 83.6 percent baseline. The combination of a high allowance rate and a strong lift makes for a predictable prosecution path. With 329 cases resolved, the 18.9 percent lift is a reliable metric for strategic planning. The 902-day median provides a clear timeline for applicants. Direct engagement is a recommended strategy.

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

Performance Statistics

83.6%
Allow Rate
+31.6% vs TC avg
345
Total Applications
+18.9%
Interview Lift
902
Avg Prosecution Days
Based on 329 resolved cases, 2023–2026

Rejection Statute Breakdown

15.4%
§101 Eligibility
11.5%
§102 Novelty
50.1%
§103 Obviousness
15.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18785325 BUILDING AUTOMATION SYSTEM WITH EDGE DEVICE LOCAL CONFIGURATION Non-Final OA Tyco Fire & Security GmbH
18663723 BUILDING DIGITAL TWIN SYSTEM FOR BUILDING HEALTH Non-Final OA Tyco Fire & Security GmbH
18600250 ADDITIVE MANUFACTURING SYSTEMS WITH ERROR CORRECTION AND ASSOCIATED METHODS Final Rejection Align Technology, Inc.
18848597 SYSTEM AND METHOD FOR MONITORING INDUSTRIAL PLANT EQUIPMENT Non-Final OA BASF SE
18848574 PRIORITIZATION BETWEEN AGENTS IN AGENT-BASED PROCESS AUTOMATION Non-Final OA Siemens Aktiengesellschaft
18839631 METHOD FOR CONTROLLING A MACHINE BY MEANS OF A LEARNING-BASED CONTROL AGENT, AND CONTROLLER Non-Final OA Siemens Aktiengesellschaft
17786404 Integrity Monitoring System, Method for Operating an Integrity Monitoring System, and Integrity Monitoring Unit Final Rejection Siemens Aktiengesellschaft
18555681 CHILD LOCK CONTROL METHOD AND APPARATUS, ROBOT, STORAGE MEDIUM, AND ELECTRONIC DEVICE Final Rejection Beijing Roborock Innovation Technology Co., Ltd.
18525660 FAULT EVENT RECOVERY IN MULTI-SLOT PROCESSING CHAMBERS Final Rejection Applied Materials, Inc.
18200921 SUBSTRATE PLACEMENT OPTIMIZATION USING SUBSTRATE MEASUREMENTS Non-Final OA APPLIED MATERIALS, INC.
17822009 SUBSTRATE PLACEMENT OPTIMIZATION USING SUBSTRATE MEASUREMENTS Final Rejection APPLIED MATERIALS, INC.
18774227 PROCESS LINE CHANGEOVER Non-Final OA SWIMC LLC
18803378 GENERATIVE DESIGN SHAPE OPTIMIZATION WITH SINGULARITIES AND DISCONNECTION PREVENTION FOR COMPUTER AIDED DESIGN AND MANUFACTURING Non-Final OA Autodesk, Inc.

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