Prosecution Insights
Last updated: October 26, 2026

Virak Nguon, USPTO Patent Examiner

Listed by the USPTO as NGUON, VIRAK

Tech Center 3700 • Art Units: 1700 1738 1741 1742 1782 3762 3781

This examiner grants 84% of resolved cases

Analysis

Virak Nguon is an examiner in Tech Center 3700 with 435 resolved cases. The examiner maintains an allowance rate of 83.7 percent in Art Unit 1700. This rate is positive for companies like Lear Corporation and Illinois Tool Works Inc.

The data shows an interview lift of 18.8 percent. This figure indicates that interviews provide a boost to the probability of securing an allowance compared to the 83.7 percent baseline. Firms such as ALSTON & BIRD LLP and BIRCH STEWART KOLASCH & BIRCH, LLP should consider interviews as a way to resolve outstanding issues and move cases toward a grant.

The median days to allowance is 901. This duration indicates the pace of prosecution for successful applications from entities like The Boeing Company and CARROLL, HOETTE & BUTSCHER, LLC. Practitioners can use this 901-day benchmark to manage expectations for patent pendency. The metrics from the 435 resolved cases suggest a productive environment where engagement can further enhance the probability of success.

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

Performance Statistics

83.7%
Allow Rate
+13.7% vs TC avg
452
Total Applications
+18.8%
Interview Lift
901
Avg Prosecution Days
Based on 435 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
20.7%
§102 Novelty
47.9%
§103 Obviousness
28.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18961808 SYSTEM AND METHOD OF MAKING A MESH CUSHION Final Rejection Lear Corporation
19019084 NOZZLE ARRANGEMENT FOR APPLYING FLUIDS, AND METHOD FOR PRODUCING A MAIN BODY OF SUCH A NOZZLE ARRANGEMENT Non-Final OA Illinois Tool Works Inc.
19027851 PORTABLE FABRICATION SYSTEMS AND METHODS USING EXPANDABLE TOOLING Non-Final OA The Boeing Company
19143176 ADDITIVE MANUFACTURING DEVICE AND ADDITIVE MANUFACTURING METHOD Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.

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Frequently Asked Questions

What is examiner Virak Nguon's allowance rate?

83.7% of resolved applications examined by Virak Nguon were allowed (435 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Virak Nguon?

This examiner's interview lift is +18.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Virak Nguon take to allow a patent?

Applications allowed by Virak Nguon took 901 days on average from filing to allowance.

Which art unit does examiner Virak Nguon work in?

Virak Nguon examines applications in Art Unit 1700 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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