Prosecution Insights
Last updated: October 27, 2026

Hiep Van Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HIEP VAN

Tech Center 3600 • Art Units: 3683 3686

This examiner grants 55% of resolved cases

Analysis

NGUYEN, HIEP VAN is assigned to tech center 3600 and art unit 3683. The record covers 1036 resolved cases and shows a 55.2% allowance rate. The 28.9% interview lift indicates that interviews are associated with improved allowance outcomes. The median time to allowance is 1432 days, so applicants should incorporate a lengthy prosecution horizon into portfolio and business planning.

The listed companies are Seiko Epson Corporation and Cureapp Inc. The leading firms are JCIPRNET and SUGHRUE MION, PLLC. The combination of substantial resolved-case volume, an allowance rate only modestly above half of cases, and a positive interview result supports careful claim positioning and deliberate use of examiner interviews. The recorded timing also favors early attention to possible continuation needs.

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

Performance Statistics

55.2%
Allow Rate
+3.2% vs TC avg
1,051
Total Applications
+28.9%
Interview Lift
1432
Avg Prosecution Days
Based on 1036 resolved cases, 2023–2026

Rejection Statute Breakdown

29.8%
§101 Eligibility
6.9%
§102 Novelty
46.8%
§103 Obviousness
10.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18928191 INFORMATION PROCESSING DEVICE AND PROGRAM STORAGE MEDIUM Non-Final OA SEIKO EPSON CORPORATION

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Frequently Asked Questions

What is examiner Hiep Van Nguyen's allowance rate?

55.2% of resolved applications examined by Hiep Van Nguyen were allowed (1,036 resolved cases), compared with 26.9% across Art Unit 3683 over the last five years.

Does an interview help with examiner Hiep Van Nguyen?

This examiner's interview lift is +28.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hiep Van Nguyen take to allow a patent?

Applications allowed by Hiep Van Nguyen took 1,432 days on average from filing to allowance.

Which art unit does examiner Hiep Van Nguyen work in?

Hiep Van Nguyen examines applications in Art Unit 3683 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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