Prosecution Insights
Last updated: October 27, 2026

Elton K Wong, USPTO Patent Examiner

Listed by the USPTO as WONG, ELTON K

Tech Center 3700 • Art Units: 3745 3762

This examiner grants 78% of resolved cases

Analysis

WONG, ELTON K is a USPTO patent examiner in tech center 3700 and art unit 3745. The record includes 487 resolved cases, with an allowance rate of 78.2% and a median of 865 days to allowance. The interview lift of 18.9% indicates a positive association with allowance that may support purposeful examiner engagement.

The leading companies are General Electric Company, Safran S.A., and Siemens Gamesa Renewable Energy S.A. The principal firms are Hanley, Flight & Zimmerman, LLC, Cantor Colburn LLP - Pratt & Whitney, and CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC. The profile supports an approach that combines focused interviews with clear written prosecution, while the median timeline offers a concrete basis for managing client expectations.

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

Performance Statistics

78.2%
Allow Rate
+8.2% vs TC avg
519
Total Applications
+18.9%
Interview Lift
865
Avg Prosecution Days
Based on 487 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
15.7%
§102 Novelty
43.0%
§103 Obviousness
38.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18706930 LABYRINTH SEALING DEVICE FOR AN AIRCRAFT TURBOMACHINE Final Rejection SAFRAN AIRCRAFT ENGINES
18261094 ROTOR FOR A TURBOMACHINE CENTRIFUGAL BREATHER Final Rejection SAFRAN HELICOPTER ENGINES
19402489 GAS TURBINE ENGINE NOZZLE Non-Final OA General Electric Company
18597639 GAS TURBINE ENGINE INCLUDING STUB-TANDEM VARIABLE INLET GUIDE VANES Non-Final OA General Electric Company
18441453 GAS TURBINE ENGINE CONFIGURATION FOR CONTAINMENT TESTING Final Rejection Pratt & Whitney Canada Corp.
19065715 BEARING HOUSING FOR TURBOCHARGER Final Rejection BorgWarner Inc.
18374927 AXIAL FAN FOR HVAC SYSTEM Final Rejection Air Distribution Technologies IP, LLC

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Frequently Asked Questions

What is examiner Elton K Wong's allowance rate?

78.2% of resolved applications examined by Elton K Wong were allowed (487 resolved cases), compared with 64.8% across Art Unit 3745 over the last five years.

Does an interview help with examiner Elton K Wong?

This examiner's interview lift is +18.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elton K Wong take to allow a patent?

Applications allowed by Elton K Wong took 865 days on average from filing to allowance.

Which art unit does examiner Elton K Wong work in?

Elton K Wong examines applications in Art Unit 3745 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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