Prosecution Insights
Last updated: October 27, 2026

Zesheng Xiao, USPTO Patent Examiner

Listed by the USPTO as XIAO, ZESHENG

Tech Center 3600 • Art Units: 3685 3698

This examiner grants 43% of resolved cases

Analysis

XIAO, ZESHENG works in tech center 3600 and art unit 3685. The record contains 122 resolved cases, with a 43.4% allowance rate. The median time to allowance is 1395 days, indicating that applicants should prepare for lengthy examination and consider early prosecution choices carefully.

The interview lift is 32.2%, supporting interviews as a meaningful mechanism for working through examination concerns. The leading companies are Mastercard International Incorporated, Truist Bank, and Capital One Services LLC. The leading firms are BANNER & WITCOFF, LTD., BIRCH STEWART KOLASCH & BIRCH, LLP, and GARLICK & MARKISON.

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

Performance Statistics

43.4%
Allow Rate
-8.6% vs TC avg
147
Total Applications
+32.2%
Interview Lift
1395
Avg Prosecution Days
Based on 122 resolved cases, 2023–2026

Rejection Statute Breakdown

23.1%
§101 Eligibility
4.3%
§102 Novelty
48.4%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18383126 DETECTING SOCIAL ENGINEERING ATTACKS USING A MACHINE LEARNING MODEL TRAINED ON OUTPUT FROM GENERATIVE ARTIFICIAL INTELLIGENCE Non-Final OA Capital One Services, LLC
19221798 BLOCKCHAIN-BASED DATA TRANSACTION DEVICE AND METHOD Non-Final OA LG ELECTRONICS INC.
18300001 ELECTRONIC DEVICE INCLUDING PARTIAL LEDGER AND METHOD IN BLOCKCHAIN NETWORK Final Rejection Samsung Electronics Co., Ltd.
19439783 PERSONALLY IDENTIFIABLE INFORMATION SECURE PERSON-TO-PERSON PAYMENT TECHNOLOGY Final Rejection Mastercard International Incorporated
18636106 SYSTEMS AND METHODS FOR USE IN STAND-IN NETWORK SERVICES Non-Final OA MASTERCARD INTERNATIONAL INCORPORATED
17743188 METHODS AND APPARATUS FOR AUTHORIZING AUTOMATED TELLER MACHINE TRANSACTIONS USING BIOMETRIC DATA Final Rejection MASTERCARD INTERNATIONAL INCORPORATED
18488135 Apparatus, System, and Method for Enabling Secure Transactions with Audible Authorization Non-Final OA Visa International Service Association
18634195 AUTHORIZATION LAYER FOR CONTROLLING RESOURCE TRANSFERS Final Rejection Truist Bank
18633621 AUTHORIZATION LAYER FOR CONTROLLING RESOURCE TRANSFERS Final Rejection Truist Bank
15844387 Social Data Tracking Datastructures, Apparatuses, Methods and Systems Final Rejection FMR LLC

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Frequently Asked Questions

What is examiner Zesheng Xiao's allowance rate?

43.4% of resolved applications examined by Zesheng Xiao were allowed (122 resolved cases), compared with 40.6% across Art Unit 3685 over the last five years.

Does an interview help with examiner Zesheng Xiao?

This examiner's interview lift is +32.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Zesheng Xiao take to allow a patent?

Applications allowed by Zesheng Xiao took 1,395 days on average from filing to allowance.

Which art unit does examiner Zesheng Xiao work in?

Zesheng Xiao examines applications in Art Unit 3685 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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