Prosecution Insights
Last updated: October 02, 2026

Examiner: HUANG, CHENG-FENG

Tech Center 2400 • Art Units: 2431 2497

This examiner grants 88% of resolved cases

Analysis

Cheng-Feng Huang serves in Tech Center 2400 and Art Unit 2431. The examiner has 492 resolved cases. The data indicates an allowance rate of 87.8 percent. This figure serves as a primary metric for assessing the probability of success. The median days to allowance is 894. This duration represents the time required to reach a grant. Applicants should account for this timeframe when planning their strategy.

The interview lift for Huang is 16.1 percent. This percentage shows that interviews are a productive tool for advancing applications. The 16.1 percent interview lift is lower than the 87.8 percent allowance rate. For the 492 resolved cases, the median days to allowance of 894 provides a clear expectation for the prosecution lifecycle. In Art Unit 2431, the interview lift suggests that verbal communication is a helpful approach. This data offers a baseline for practitioners in Tech Center 2400.

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

Performance Statistics

87.8%
Allow Rate
+29.8% vs TC avg
507
Total Applications
+16.1%
Interview Lift
894
Avg Prosecution Days
Based on 492 resolved cases, 2023–2026

Rejection Statute Breakdown

16.6%
§101 Eligibility
3.8%
§102 Novelty
58.1%
§103 Obviousness
10.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18482692 SYSTEMS AND METHODS FOR ESTABLISHING SHARED TRUST BETWEEN A PRIMARY AGENT USER AND RECIPIENT CLIENT USER Non-Final OA Wells Fargo Bank, N.A.
19281739 BLOCKCHAIN-BASED DATA PROCESSING METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM Non-Final OA TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
18672152 SYSTEMS AND METHODS FOR HANDLING EMBEDDED CONTROLLER DIAGNOSTIC TESTS USING A HARDWARE-BASED SECURITY ARCHITECTURE DRIVER OF A HETEROGENOUS COMPUTING PLATFORM Non-Final OA Dell Products L.P.
18418801 System And Method For Remotely Filtering Network Traffic Of A Customer Premise Device Final Rejection Charter Communications Operating, LLC
19096623 Cybersecurity Analysis and Protection Using Distributed Systems Non-Final OA QOMPLX LLC
19006152 MACHINE LEARNING SYSTEM AND METHOD FOR NETWORK SECURITY IMPROVEMENT Final Rejection QOMPLX LLC

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