Prosecution Insights
Last updated: October 01, 2026

Examiner: NGUYEN, VI X

Tech Center 3700 • Art Units: 3731 3734 3771

This examiner grants 86% of resolved cases

Analysis

Vi X Nguyen is an examiner in Tech Center 3700 and Art Unit 3731. The examiner has 1176 resolved cases. The data shows an allowance rate of 85.8 percent, which indicates a high frequency of patent grants for applications in this unit. The median days to allowance for these cases is 1183. This timeframe provides a clear expectation for the duration of the prosecution process.

The interview lift is 13.4 percent. This figure suggests that conducting an interview has a positive impact on the probability of success compared to the 85.8 percent allowance rate. Applicants may find that verbal communication is a helpful strategy. The 1176 resolved cases provide a stable basis for these observations.

In Art Unit 3731, the 1183 median days to allowance reflects the typical speed of the examination cycle. The 13.4 percent interview lift represents an improvement in outcomes. Practitioners should consider the benefits of an interview when developing their strategy for Tech Center 3700.

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

Performance Statistics

85.8%
Allow Rate
+15.8% vs TC avg
1,204
Total Applications
+13.4%
Interview Lift
1183
Avg Prosecution Days
Based on 1177 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
39.4%
§102 Novelty
40.5%
§103 Obviousness
11.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19189488 GUIDEWIRE SYSTEMS AND METHODS OF USE Non-Final OA Covidien LP
18939147 ARTICULATING ULTRASONIC SURGICAL INSTRUMENTS AND SYSTEMS Non-Final OA Covidien LP
19410597 DEVICES AND METHODS FOR MINIMALLY INVASIVE SUTURING Non-Final OA Intuitive Surgical Operations, Inc.
19209399 INSTRUMENTATION FOR INSERTION OF A SUTURE ANCHOR Non-Final OA Stryker Corporation
19051742 SURGICAL ROBOT, ROBOTIC SURGICAL SYSTEM, CONTROL METHOD FOR SURGICAL ROBOT, AND STORAGE MEDIUM Non-Final OA KAWASAKI JUKOGYO KABUSHIKI KAISHA
19021689 MEDICAL SYSTEMS INCORPORATING PULLEY SHARING Non-Final OA Auris Health, Inc.
18711917 A TROCAR FIXATION ASSEMBLY Final Rejection Mölnlycke Health Care AB
18860079 IMPLANT FOR FIXING A CRANIAL BONE FLAP IN A CRANIAL OPENING OF AN OSSEOUS SKULL Non-Final OA Aesculap AG
18925237 AUGMENT FOR A BONE IMPLANT, SET OF AUGMENTS Non-Final OA Aesculap AG
18470743 KNEE JOINT IMPLANT AUGMENTATION AND KNEE JOINT IMPLANT Non-Final OA Aesculap AG
18541795 MULTIFUNCTIONAL SEALING MEMBER FOR IMPROVED ENDOTHELIALIZATION AND PARAVALVULAR LEAKAGE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18922641 MULTI-LUMEN CATHETER WITH OCCLUSION ELEMENT Non-Final OA ABIOMED, Inc.
18419707 INTERFERENCE SCREWS Non-Final OA ARTHREX, INC.
18555679 SURGICAL ROBOTIC SYSTEM AND APPLICATIONS AND PARTS THEREFORE Non-Final OA MICROSURE B.V.
18999414 THROMBECTOMY APPARATUS AND METHOD Non-Final OA Varian Medical Systems, Inc.

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