Prosecution Insights
Last updated: October 26, 2026

Hao Fu, USPTO Patent Examiner

Listed by the USPTO as FU, HAO

Tech Center 3600 • Art Units: 3691 3692 3693 3695 3696 3697

This examiner grants 50% of resolved cases

Analysis

FU, HAO has resolved 555 cases in Tech Center 3600 and Art Unit 3691. The allowance rate is 49.9%, with a median of 1390 days to allowance. The profile records a 24.8% interview lift, making examiner interaction a useful strategic consideration, particularly when counsel can present a focused path for resolving claim and prior-art disputes.

The listed companies are Mastercard International Incorporated, Wells Fargo Bank, N.A., and 3M Innovative Properties Company. Representative firms include Barta Jones, PLLC, K&L Gates LLP, and BUCKLEY, MASCHOFF & TALWALKAR LLC. The allowance rate and median timeline support early planning for multiple prosecution stages, with interviews integrated into a broader written strategy.

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

Performance Statistics

49.9%
Allow Rate
-2.1% vs TC avg
592
Total Applications
+24.8%
Interview Lift
1390
Avg Prosecution Days
Based on 555 resolved cases, 2023–2026

Rejection Statute Breakdown

36.1%
§101 Eligibility
6.7%
§102 Novelty
40.8%
§103 Obviousness
8.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19022481 SYSTEMS AND METHODS FOR AUTOMATIC TAX WITHHOLDING IN A DIGITAL PAYMENT NETWORK Final Rejection Wells Fargo Bank, N.A.
18188283 SYSTEMS AND METHODS FOR FACILITATING BANKING ACTIVITIES VIA AN ANONYMOUS DIGITAL PROFILE Final Rejection Wells Fargo Bank, N.A.
18709421 INDEX FORMULATION WITH ANOMALY DETECTION AND CORRECTION IN PROCUREMENT SYSTEMS Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
19256963 SYSTEMS AND METHODS FOR USING TOKENIZED ICONS TO PROVIDE INSURANCE POLICY QUOTES Non-Final OA State Farm Mutual Automobile Insurance Company
19093088 FACILITATING PAYMENTS IN AN EXTENDED REALITY SYSTEM BASED ON BEHAVIORAL BIOMETRICS Final Rejection MASTERCARD INTERNATIONAL INCORPORATED
19063282 ARTIFICIAL INTELLIGENCE BASED METHODS AND SYSTEMS FOR PREDICTING OVERALL ACCOUNT-LEVEL RISKS OF CARDHOLDERS Non-Final OA MASTERCARD INTERNATIONAL INCORPORATED
17739040 METHODS AND SYSTEMS FOR PREDICTING CHARGEBACK BEHAVIORAL DATA OF ACCOUNT HOLDERS Non-Final OA Mastercard International Incorporated
18946301 PLATFORM TO SUPPORT MULTIPLE CLIENT ACCESS TO A REAL-TIME PAYMENT RAIL Non-Final OA FIDELITY INFORMATION SERVICES, LLC
18454571 DATA MAPPING METHOD AND SYSTEM Non-Final OA Royal Bank of Canada

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 Hao Fu's allowance rate?

49.9% of resolved applications examined by Hao Fu were allowed (555 resolved cases), compared with 39.0% across Art Unit 3691 over the last five years.

Does an interview help with examiner Hao Fu?

This examiner's interview lift is +24.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hao Fu take to allow a patent?

Applications allowed by Hao Fu took 1,390 days on average from filing to allowance.

Which art unit does examiner Hao Fu work in?

Hao Fu examines applications in Art Unit 3691 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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