Prosecution Insights
Last updated: October 02, 2026

Examiner: TRINH, HONG-VAN N

Tech Center 3700 • Art Units: 3763 3783 3785

This examiner grants 63% of resolved cases

Analysis

Hong-Van N. Trinh is an examiner in Art Unit 3763 within Tech Center 3700. She has 268 resolved cases with an allowance rate of 62.7%. This rate indicates a moderate to high probability of success for applicants. The median days to allowance is 1245, which is a relatively long timeline that requires a patient approach to the prosecution process.

The interview lift pct is very high at 57.9%, suggesting that interviews are an extremely powerful tool for overcoming rejections. For the 268 resolved cases, the data shows that direct engagement with the examiner can significantly boost the chances of an allowance. This 57.9% lift is a critical metric for practitioners to consider when planning their strategy.

Counsel should prioritize interviews in Art Unit 3763 to capitalize on the 57.9% interview lift pct. While the 62.7% allowance rate is solid, the high lift pct is the most effective way to navigate the 268 cases this examiner has handled. The 1245 days median pendency requires a patient but proactive approach to prosecution in Tech Center 3700.

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

Performance Statistics

62.8%
Allow Rate
-7.2% vs TC avg
296
Total Applications
+57.0%
Interview Lift
1245
Avg Prosecution Days
Based on 269 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
25.5%
§102 Novelty
42.7%
§103 Obviousness
27.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18119239 Catheter with Adhesion Detection Non-Final OA Bard Access Systems, Inc.
18437043 MEDICAL DEVICE HAVING SUPPORT MEMBER Non-Final OA ABBOTT CARDIOVASCULAR SYSTEMS INC.
19344491 METHODS OF PERFORMING VASCULAR PROCEDURES USING A RIGIDIZING DEVICE Non-Final OA Neptune Medical Inc.
19344510 METHODS OF PERFORMING VASCULAR PROCEDURES USING A RIGIDIZING DEVICE Non-Final OA Neptune Medical Inc.
18159445 DRUG DELIVERY DEVICE SAFETY SYSTEM Non-Final OA Regeneron Pharmaceuticals, Inc.
18715143 NEEDLE ASSEMBLIES AND SAFETY CATHETER ASSEMBLIES WITH BLOOD DIVERTING FEATURE Non-Final OA ICU Medical, Inc.
17085344 SYSTEMS AND METHODS FOR DETERMINING PLACEMENT OF WEARABLE DRUG DELIVERY DEVICES Non-Final OA Insulet Corporation
18717694 BALLOON CATHETER Non-Final OA Toray Industries, Inc.
17918459 SKIN SENSOR TRIGGERING SIGNAL Final Rejection SHL MEDICAL AG
19169718 PRE-FILLED MANUAL INJECTOR APPARATUS Final Rejection Mallinckrodt Pharmaceuticals Ireland Limited
17048061 MOVABLE CATHETER Non-Final OA ZEON CORPORATION

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