Prosecution Insights
Last updated: October 25, 2026

Clinton T Ostrup, USPTO Patent Examiner

Listed by the USPTO as OSTRUP, CLINTON T

Tech Center 3700 • Art Units: 3732 3765 3771 3785

This examiner grants 48% of resolved cases

Analysis

OSTRUP, CLINTON T is assigned to Tech Center 3700 and Art Unit 3732. The profile records 408 resolved cases and an allowance rate of 48.0%. The median time to allowance is 1439 days. Interview lift is 38.2%, showing a positive relationship between interviews and allowance outcomes in the recorded cases.

The listed companies are Qatar Foundation for Education, Science and Community Development, Gauntlet Gaming LLC, and Rainmaker Solutions Inc. The listed firms are Holland & Hart LLP and K&L Gates LLP-Chicago. Practitioners may place meaningful emphasis on interview preparation while planning for the reported prosecution duration and an allowance record below one-half.

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

Performance Statistics

48.0%
Allow Rate
-22.0% vs TC avg
417
Total Applications
+38.2%
Interview Lift
1439
Avg Prosecution Days
Based on 408 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
18.2%
§102 Novelty
47.9%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18614260 STANDARD TRACHEAL DILATOR KIT (TDK-S) AND QUADRITUBE FOR TRACHEAL STENOSIS DILATATION Non-Final OA Qatar Foundation for Education, Science and Community Development
18931456 GAMER GLOVE Final Rejection Gauntlet Gaming, LLC
17942175 GAS FLOW DELIVERY SYSTEM WITH MAGNETIC COUPLING ASSEMBLY AND MAGNETIC COUPLING ASSEMBLY THEREFOR Non-Final OA RainMaker Solutions, Inc.

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Frequently Asked Questions

What is examiner Clinton T Ostrup's allowance rate?

48.0% of resolved applications examined by Clinton T Ostrup were allowed (408 resolved cases), compared with 52.0% across Art Unit 3732 over the last five years.

Does an interview help with examiner Clinton T Ostrup?

This examiner's interview lift is +38.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Clinton T Ostrup take to allow a patent?

Applications allowed by Clinton T Ostrup took 1,439 days on average from filing to allowance.

Which art unit does examiner Clinton T Ostrup work in?

Clinton T Ostrup examines applications in Art Unit 3732 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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