Prosecution Insights
Last updated: October 01, 2026

Examiner: SEHN, MICHAEL L

Tech Center 3700 • Art Units: 3677 3745

This examiner grants 81% of resolved cases

Analysis

Michael L. Sehn is an examiner in Tech Center 3700 and Art Unit 3677. He has 666 resolved cases. The allowance rate for these cases is 81.1 percent. This 81.1 percent rate indicates the proportion of applications that result in a patent grant. Practitioners can use this 666-case history to understand the examiner's general tendencies in Art Unit 3677.

The interview lift is 12.7 percent. This 12.7 percent figure represents the difference in allowance probability when an interview is conducted. A positive value like 12.7 percent indicates that interviews are associated with a higher likelihood of allowance. This suggests that requesting an interview is a helpful strategy for this docket.

The median days to allowance is 1024. This 1024-day duration is the middle value for the time from filing to grant. For applicants, this 1024-day median is a key metric for planning the prosecution timeline. By combining the 81.1 percent allowance rate with the 1024-day median, practitioners can develop a data-grounded strategy for their applications.

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

Performance Statistics

81.1%
Allow Rate
+11.1% vs TC avg
684
Total Applications
+12.7%
Interview Lift
1024
Avg Prosecution Days
Based on 666 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
22.3%
§102 Novelty
48.1%
§103 Obviousness
24.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18853379 REINFORCEMENT FOR A COMPOSITE BLADE OF A TURBOMACHINE, COMPRISING A MIXTURE OF FIBER CUTS AND A TACKIFIER Final Rejection SAFRAN
18766852 IMPELLER AND CLEANER EMPLOYING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18972269 DRIVE ASSEMBLY FOR A MARINE DUAL-PROPELLER DRIVE UNIT Non-Final OA VOLVO PENTA CORPORATION
18631443 PROPULSION SYSTEM FOR A MARINE VESSEL AND A USE OF A SLIP CLUTCH ASSEMBLY Non-Final OA VOLVO PENTA CORPORATION
19335973 FAN UNIT AND OUTDOOR UNIT Non-Final OA DAIKIN INDUSTRIES, LTD.
18827211 AIRFOILS FOR GAS TURBINE ENGINES Final Rejection General Electric Company
19227715 GUIDE VANE ELEMENT FOR A COMPRESSOR OF A TURBOMACHINE, GUIDE VANE CLUSTER AND TURBOMACHINE Final Rejection MTU Aero Engines AG
19034340 VARIABLE INLET GUIDE VANE APPARATUS AND SYSTEMS AND METHODS FOR CALIBRATING THE SAME Non-Final OA Copeland LP
18819144 REFRIGERATED TRANSPORT CONTAINER AND REFRIGERATED TRANSPORT VEHICLE Non-Final OA Carrier Corporation
18494632 CONTROL OF CARRIER HEAD SWEEP AND PLATEN SHAPE Non-Final OA Applied Materials, Inc.

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