Prosecution Insights
Last updated: October 26, 2026

Dung T Ulsh, USPTO Patent Examiner

Listed by the USPTO as ULSH, DUNG T

Tech Center 3700 • Art Units: 3763 3771 3783

This examiner grants 79% of resolved cases

Analysis

ULSH, DUNG T works in USPTO technology center 3700 and art unit 3763. The record contains 390 resolved cases, with a 78.7% allowance rate and a 17.3% interview lift. Median time to allowance is 1082 days, providing a timing reference for applicants managing matters in this art unit.

Top company entries include Becton, Dickinson and Company, Medmix Switzerland AG, and University of Florida Research Foundation Inc. The listed firms are Spencer Fane LLP, AKERMAN LLP, and ALSTON & BIRD LLP. The data supports planning around a generally favorable observed allowance record and interview activity.

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

Performance Statistics

78.7%
Allow Rate
+8.7% vs TC avg
413
Total Applications
+17.3%
Interview Lift
1082
Avg Prosecution Days
Based on 390 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
30.3%
§102 Novelty
39.4%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18038902 MEDICAL DEVICE INSUFFLATION ADAPTOR Non-Final OA Intuitive Surgical Operations, Inc.
18860175 DOSE DELIVERY MECHANISM Non-Final OA medmix Switzerland AG
18538927 SUBCUTANEOUS INFUSION DEVICE Non-Final OA Becton, Dickinson and Company
18135808 Indicators for Instrument Advancement Device Final Rejection Becton, Dickinson and Company
18280870 Drug Administration Management System and Operation Method Thereof Non-Final OA LG CHEM, LTD.

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Frequently Asked Questions

What is examiner Dung T Ulsh's allowance rate?

78.7% of resolved applications examined by Dung T Ulsh were allowed (390 resolved cases), compared with 60.3% across Art Unit 3763 over the last five years.

Does an interview help with examiner Dung T Ulsh?

This examiner's interview lift is +17.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dung T Ulsh take to allow a patent?

Applications allowed by Dung T Ulsh took 1,082 days on average from filing to allowance.

Which art unit does examiner Dung T Ulsh work in?

Dung T Ulsh examines applications in Art Unit 3763 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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