Prosecution Insights
Last updated: October 26, 2026

Nga B Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, NGA B

Tech Center 3600 • Art Units: 3625 3683 3684 3692

This examiner grants 53% of resolved cases

Analysis

NGUYEN, NGA B is a USPTO patent examiner in tech center 3600 and art unit 3625. The record contains 716 resolved cases and a 53.1% allowance rate. Median time to allowance is 1386 days. Interview lift is 25.1%, below the allowance rate but large enough to warrant attention in case planning. The data points to a prosecution environment where timing and claim development deserve sustained management.

The principal companies are Blue Yonder Group Inc., Capital One Services LLC, and Schlumberger Technology Corporation. The leading firms are DINSMORE & SHOHL LLP, CALDWELL LLC, and HDLS IPR SERVICES. The 1386-day median makes early strategy particularly useful, including a clear record of claim amendments and deliberate preparation for examiner interviews where appropriate.

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

Performance Statistics

53.1%
Allow Rate
+1.1% vs TC avg
765
Total Applications
+25.1%
Interview Lift
1386
Avg Prosecution Days
Based on 716 resolved cases, 2023–2026

Rejection Statute Breakdown

45.2%
§101 Eligibility
19.4%
§102 Novelty
21.3%
§103 Obviousness
6.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18232006 SYSTEM AND METHOD FOR AUTOMATIC CALENDARING Non-Final OA Capital One Services, LLC
18906919 AUTOMATING THE MONITORING OF A LARGE POPULATION OF FIELD SYSTEMS Non-Final OA Schlumberger Technology Corporation
16731704 MACHINE LEARNING-BASED CHANGE CONTROL SYSTEMS Final Rejection Oracle International Corporation
18441035 SYSTEM AND METHOD TO GENERATE EXTENDED CONTEXT DERIVED FROM CONSUMER RESPONSES Non-Final OA Toyota Research Institute, Inc.
18707908 INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM Final Rejection NEC CORPORATION
19221230 AGGREGATING AN EVENT OCCURRENCE FEEDBACK REPORT WITHIN A GROUPBASED COMMUNICATION SYSTEM Non-Final OA Salesforce, Inc.

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Frequently Asked Questions

What is examiner Nga B Nguyen's allowance rate?

53.1% of resolved applications examined by Nga B Nguyen were allowed (716 resolved cases), compared with 32.9% across Art Unit 3625 over the last five years.

Does an interview help with examiner Nga B Nguyen?

This examiner's interview lift is +25.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nga B Nguyen take to allow a patent?

Applications allowed by Nga B Nguyen took 1,386 days on average from filing to allowance.

Which art unit does examiner Nga B Nguyen work in?

Nga B Nguyen examines applications in Art Unit 3625 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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