Prosecution Insights
Last updated: October 27, 2026

John Hong Fang-Wu, USPTO Patent Examiner

Listed by the USPTO as FANG-WU, JOHN HONG

Tech Center 4100 • Art Units: 2653 2658 4100

This examiner grants 0% of resolved cases

Analysis

FANG-WU, JOHN HONG is a USPTO patent examiner in Tech Center 4100 and Art Unit 2653. The profile contains 1 resolved case, with a 0.0% allowance rate and a 0.0% interview lift. The median time to allowance is 254 days.

Samsung Electronics Co., Ltd., Airbus Operations GmbH, and Beijing Zitiao Network Technology Co., Ltd. appear among the leading companies. GREER, BURNS & CRAIN, LTD, KINNEY & LANGE, P.A., and Nixon & Vanderhye PC are the leading firms. Because the resolved-case base is limited, practitioners should treat these figures as an initial profile rather than a stable prediction of future prosecution outcomes.

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

Performance Statistics

0.0%
Allow Rate
-60.0% vs TC avg
13
Total Applications
+0.0%
Interview Lift
254
Avg Prosecution Days
Based on 1 resolved cases, 2023–2026

Rejection Statute Breakdown

24.3%
§101 Eligibility
18.9%
§102 Novelty
40.5%
§103 Obviousness
13.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19069627 Audio Signal Upmixer Non-Final OA Samsung Electronics Co., Ltd.
19016520 ELECTRONIC DEVICE AND CONTROL METHOD THEREFOR Non-Final OA Samsung Electronics Co., Ltd.
18941704 METHOD, APPARATUS, DEVICE AND STORAGE MEDIUM FOR MESSAGE PROCESSING Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18911317 AUDIO GENERATION SYSTEM AND METHOD Final Rejection Sony Interactive Entertainment Inc.
18924525 SYSTEMS AND METHODS FOR VOICE-BASED TRIGGER FOR SUPPLEMENTAL CONTENT Non-Final OA VIZIO, INC.

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 John Hong Fang-Wu's allowance rate?

0.0% of resolved applications examined by John Hong Fang-Wu were allowed (1 resolved cases), compared with 75.1% across Art Unit 2653 over the last five years.

Does an interview help with examiner John Hong Fang-Wu?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John Hong Fang-Wu take to allow a patent?

Applications allowed by John Hong Fang-Wu took 254 days on average from filing to allowance.

Which art unit does examiner John Hong Fang-Wu work in?

John Hong Fang-Wu examines applications in Art Unit 2653 in Tech Center 4100.

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