Prosecution Insights
Last updated: October 27, 2026

Eric Tak Wai Wong, USPTO Patent Examiner

Listed by the USPTO as WONG, ERIC TAK WAI

Tech Center 3600 • Art Units: 3691 3692 3693 3698

This examiner grants 51% of resolved cases

Analysis

WONG, ERIC TAK WAI is a USPTO patent examiner in tech center 3600 and art unit 3691. The record contains 539 resolved cases, with an allowance rate of 50.6% and a median of 1480 days to allowance. The interview lift of 13.1% is positive, but the allowance rate indicates that favorable outcomes are not predominant in the observed matters.

The principal companies are Capital One Services LLC, NEC Corporation, and Mastercard International Incorporated. The leading firms are KDW Firm PLLC (1988), Xsensus, and FOLEY & LARDNER LLP. Counsel should prepare for a prolonged prosecution path and use interviews to clarify the examiner's concerns without treating them as a substitute for strong written amendments and evidence.

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

Performance Statistics

50.6%
Allow Rate
-1.4% vs TC avg
582
Total Applications
+13.1%
Interview Lift
1480
Avg Prosecution Days
Based on 539 resolved cases, 2023–2026

Rejection Statute Breakdown

32.2%
§101 Eligibility
15.5%
§102 Novelty
34.6%
§103 Obviousness
10.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18959268 APPLICATION-BASED POINT OF SALE SYSTEM IN MOBILE OPERATING SYSTEMS Final Rejection Capital One Services, LLC
18631199 SECURE INTERFACE Non-Final OA Capital One Services, LLC
18154001 SHARED EXPENSE MANAGEMENT Final Rejection Capital One Services, LLC
18714229 PAYMENT SYSTEM, PAYMENT METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
18810256 SYSTEMS AND METHODS FOR ACCOUNT MAPPING AND PERSONAL ACCOUNT NUMBER LINKING Non-Final OA Mastercard International Incorporated
19293475 AUTHENTICATION SYSTEMS AND METHODS USING LOCATION MATCHING Non-Final OA Visa International Service Association
18591144 RECORDING MEDIUM, INFORMATION PROCESSING SYSTEM, AND DATA PROCESSING SYSTEM Final Rejection RIKEN

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Frequently Asked Questions

What is examiner Eric Tak Wai Wong's allowance rate?

50.6% of resolved applications examined by Eric Tak Wai Wong were allowed (539 resolved cases), compared with 39.0% across Art Unit 3691 over the last five years.

Does an interview help with examiner Eric Tak Wai Wong?

This examiner's interview lift is +13.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eric Tak Wai Wong take to allow a patent?

Applications allowed by Eric Tak Wai Wong took 1,480 days on average from filing to allowance.

Which art unit does examiner Eric Tak Wai Wong work in?

Eric Tak Wai Wong examines applications in Art Unit 3691 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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