Prosecution Insights
Last updated: October 04, 2026

Examiner: OSTRUP, CLINTON T

Tech Center 3700 • Art Units: 3732 3765 3771 3785

This examiner grants 48% of resolved cases

Analysis

Clinton T. Ostrup is an examiner in Tech Center 3700 and Art Unit 3732. He has 408 resolved cases with an allowance rate of 48.0 percent. The median days to allowance is 1439. These metrics show a more challenging and longer prosecution process. The 48.0 percent allowance rate indicates the outcome for the 408 resolved cases.

The interview lift is 38.2 percent, which is a significant factor for applicants. This suggests that interviews are a very effective tool for overcoming rejections and moving toward an allowance. Practitioners should consider an interview to boost the 48.0 percent allowance rate. With 408 resolved cases, the 1439 median days to allowance is a well-established figure for planning. The 38.2 percent interview lift is a key piece of data for anyone with an application in Art Unit 3732. This lift provides a substantial advantage in Tech Center 3700.

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
17942175 GAS FLOW DELIVERY SYSTEM WITH MAGNETIC COUPLING ASSEMBLY AND MAGNETIC COUPLING ASSEMBLY THEREFOR Non-Final OA RainMaker Solutions, Inc.

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