Prosecution Insights
Last updated: October 26, 2026

Joseph S Wong, USPTO Patent Examiner

Listed by the USPTO as WONG, JOSEPH S

Tech Center 2800 • Art Units: 1737 2852

This examiner grants 86% of resolved cases

Analysis

WONG, JOSEPH S is a USPTO patent examiner in tech center 2800 and art unit 1737. The profile covers 578 resolved cases, with an allowance rate of 86.3% and a median of 778 days to allowance. The interview lift of 7.3% is modest relative to the high observed allowance rate.

The leading companies are Canon Inc., Ricoh Company, Ltd., and Fujifilm Holdings Corporation. The principal firms are Harness, Dickey & Pierce P.L.C. and OLIFF PLC. The record indicates generally favorable outcomes and a median timeline that is material but comparatively contained within this profile. Practitioners may use interviews for efficient clarification, while focusing substantive effort on preserving claim scope and addressing the specific grounds of rejection.

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

Performance Statistics

86.3%
Allow Rate
+18.3% vs TC avg
585
Total Applications
+7.3%
Interview Lift
778
Avg Prosecution Days
Based on 578 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
50.2%
§102 Novelty
35.1%
§103 Obviousness
5.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18928717 TECHNOLOGY TO COLLECT OR REMOVE FOREIGN MATTER OR UNWANTED SUBSTANCES USING ELECTROSTATIC ADSORPTION Non-Final OA CANON KABUSHIKI KAISHA
18924854 ELECTROSTATIC COLLECTING DEVICE, IMAGE FORMING DEVICE, AND CLEANING DEVICE Non-Final OA CANON KABUSHIKI KAISHA
19069580 BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME Final Rejection RICOH COMPANY, LTD.

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Frequently Asked Questions

What is examiner Joseph S Wong's allowance rate?

86.3% of resolved applications examined by Joseph S Wong were allowed (578 resolved cases), compared with 63.4% across Art Unit 1737 over the last five years.

Does an interview help with examiner Joseph S Wong?

This examiner's interview lift is +7.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph S Wong take to allow a patent?

Applications allowed by Joseph S Wong took 778 days on average from filing to allowance.

Which art unit does examiner Joseph S Wong work in?

Joseph S Wong examines applications in Art Unit 1737 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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