Prosecution Insights
Last updated: May 29, 2026

Examiner: LU, HAOTIAN

Tech Center 3700 • Art Units: 2898 3753

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-20.0% vs TC avg
52
Total Applications
+37.9%
Interview Lift
1094
Avg Prosecution Days
Based on 24 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
2.7%
§102 Novelty
90.5%
§103 Obviousness
6.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18038504 MARINE HOSE Non-Final OA THE YOKOHAMA RUBBER CO., LTD.
18347343 Roller Set Having a Burnishing Roller Non-Final OA Victaulic Company
18286141 Fuel Line Comprising Insulation, and Pressure Vessel System Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18380238 Hose Retainer Non-Final OA Government of the United States, as represented by the Secretary of the Air Force
18257864 COMPOSITE TUBING Non-Final OA Cytec Industries Inc.
18542217 Additive Manufacturing of Fluid Ducts Non-Final OA Textron Aviation Inc.
18250982 STEEL PIPE FOR HIGH-PRESSURE HYDROGEN PIPING AND HIGH-PRESSURE HYDROGEN PIPING USING SAME Non-Final OA KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
18386453 SELF-LOCATING, THERMAL, FLAME PROTECTION SLEEVE AND ASSOCIATED METHODS Non-Final OA Systems Protection Group US LLC
18547333 VENTILATION CONDUIT Non-Final OA 9415-2667 QUEBEC INC.
18195556 SEWER CLEANOUT CAP Final Rejection PIPELOGIX LMS, INC.
18035476 A FLOATING PIPE COMPRISING A TUBE AND A FLOATER SURROUNDING SAID TUBE Non-Final OA DDC ENGINEERING B.V.
18125264 CLASS 1 FLEXIBLE UNINSULATED DUCT WITH POLYMER CORE AND SURROUNDING FIRE RESISTANT BARRIER LAYER AND METHOD OF USE Non-Final OA FLEXIBLE TECHNOLOGIES, INC.
18048902 PIPE COUPLING ENCAPSULATION ASSEMBLY Non-Final OA Krausz Industries Ltd.
18002696 Chafe layer for a fluid conduit, fluid conduit, method for producing a fluid conduit and use of a polyurethane as a chafe layer and use of an ethylene copolymer as an additive Final Rejection aft automotive GmbH

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