Prosecution Insights
Last updated: October 26, 2026

Diane D Yabut, USPTO Patent Examiner

Listed by the USPTO as YABUT, DIANE D

Tech Center 3700 • Art Units: 3731 3734 3771 3794 3796 3799

This examiner grants 63% of resolved cases

Analysis

YABUT, DIANE D has 867 resolved cases, an allowance rate of 62.6%, and an interview lift of 27.4%. The median time to allowance is 1,555 days. The examiner works in tech center 3700 and art unit 3731. The resolved-case volume provides a meaningful prosecution record, while the timing figure indicates that applicants should account for an extended path to allowance.

Cilag GmbH International, Maduro Discovery LLC, and Mor Research Applications Ltd. are the leading companies shown. INSKEEP INTELLECTUAL PROPERTY GROUP, INC, Condo Roccia Koptiw LLP, and COOLEY LLP are the listed leading firms. The interview figure supports considering an examiner interview as part of response planning, with counsel preserving attention to claim clarity and the substantive basis for allowance.

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

Performance Statistics

62.6%
Allow Rate
-7.4% vs TC avg
898
Total Applications
+27.4%
Interview Lift
1555
Avg Prosecution Days
Based on 867 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
22.0%
§102 Novelty
53.6%
§103 Obviousness
14.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18611511 JAW FOR CLIP APPLIER Non-Final OA Cilag GmbH International
18657316 SURGICAL TETHER PROTECTION DEVICE Non-Final OA EDWARDS LIFESCIENCES CORPORATION

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Frequently Asked Questions

What is examiner Diane D Yabut's allowance rate?

62.6% of resolved applications examined by Diane D Yabut were allowed (867 resolved cases), compared with 63.1% across Art Unit 3731 over the last five years.

Does an interview help with examiner Diane D Yabut?

This examiner's interview lift is +27.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Diane D Yabut take to allow a patent?

Applications allowed by Diane D Yabut took 1,555 days on average from filing to allowance.

Which art unit does examiner Diane D Yabut work in?

Diane D Yabut examines applications in Art Unit 3731 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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