Prosecution Insights
Last updated: October 27, 2026

Cheng-Feng Huang, USPTO Patent Examiner

Listed by the USPTO as HUANG, CHENG-FENG

Tech Center 2400 • Art Units: 2431 2497

This examiner grants 88% of resolved cases

Analysis

HUANG, CHENG-FENG is assigned to Tech Center 2400 and Art Unit 2431. The profile records 494 resolved cases, with an allowance rate of 87.9% and a median of 894 days to allowance. An interview lift of 15.8% indicates that interviews are associated with a meaningful improvement in outcomes for represented cases.

The listed company matters include Qomplx LLC, Wells Fargo Bank, N.A., and Tencent Technology (Shenzhen) Company Limited. NK Patent Law, Anova Law Group, PLLC, and Fogarty LLP are the listed firms. Practitioners handling matters here can use the allowance history as a planning signal while treating interview practice as a potentially useful part of prosecution strategy.

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

Performance Statistics

87.9%
Allow Rate
+29.9% vs TC avg
514
Total Applications
+15.8%
Interview Lift
894
Avg Prosecution Days
Based on 494 resolved cases, 2023–2026

Rejection Statute Breakdown

16.9%
§101 Eligibility
3.7%
§102 Novelty
58.3%
§103 Obviousness
10.8%
§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.
19263527 MULTI-FACTOR NETWORK SEGMENTATION Non-Final OA Salesforce, Inc.
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.
19006152 MACHINE LEARNING SYSTEM AND METHOD FOR NETWORK SECURITY IMPROVEMENT Final Rejection QOMPLX LLC
19007181 METHODS AND SYSTEMS FOR NATURAL LANGUAGE PROCESSING OF GRAPH DATABASE QUERIES Non-Final OA The MITRE Corporation

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Cheng-Feng Huang's allowance rate?

87.9% of resolved applications examined by Cheng-Feng Huang were allowed (494 resolved cases), compared with 76.5% across Art Unit 2431 over the last five years.

Does an interview help with examiner Cheng-Feng Huang?

This examiner's interview lift is +15.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Cheng-Feng Huang take to allow a patent?

Applications allowed by Cheng-Feng Huang took 894 days on average from filing to allowance.

Which art unit does examiner Cheng-Feng Huang work in?

Cheng-Feng Huang examines applications in Art Unit 2431 in Tech Center 2400 (Networking & Security).

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