Prosecution Insights
Last updated: May 29, 2026

Examiner: DURDEN, RICHARD KYLE

Tech Center 3700 • Art Units: 3746 3753

This examiner grants 61% of resolved cases

Performance Statistics

61.3%
Allow Rate
-8.7% vs TC avg
415
Total Applications
+29.7%
Interview Lift
970
Avg Prosecution Days
Based on 380 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
6.4%
§102 Novelty
77.1%
§103 Obviousness
16.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17932419 SEMI-CONSOLIDATED REINFORCED THERMOPLASTIC PIPE (SC-RTP) WITH COMMINGLED FIBER REINFORCEMENT Final Rejection SAUDI ARABIAN OIL COMPANY
18850932 HOSE FOR REFRIGERANT TRANSPORTATION AND PRODUCTION METHOD THEREFOR Final Rejection THE YOKOHAMA RUBBER CO., LTD.
18160786 ADDITIVELY MANUFACTURED BELLOWS Final Rejection Relativity Space, Inc.
17876506 FLOW CONTROL SYSTEM, APPARATUS FOR TREATING SUBSTRATE INCLUDING THE SAME AND METHOD FOR TREATING SUBSTRATE USING THE SAME Final Rejection SEMES CO., LTD.
18037782 A Tube Non-Final OA Coloplast A/S
18289296 HYGIENIC FITTING FOR SANITARY PROCESSING EQUIPMENT Non-Final OA Feldmeier Equipment, Inc.
18266813 High pressure tube and method of manufacturing the same Non-Final OA ALLEIMA GMBH
18256576 PIPELINE JUNCTION COATING Non-Final OA TECHNIP N-POWER
18330217 FLUID PULSATION DAMPENERS Non-Final OA BLACOH FLUID CONTROLS, INC.
17991066 POROUS FLOW RESTRICTOR AND METHODS OF MANUFACTURE THEREOF Final Rejection Mott Corporation
18117291 NON-PERMANENT INLET FLANGE AND METHOD FOR CUSTOM INSERT Non-Final OA MasterTek Flow Technologies, LLC
17836307 COLD CONDUIT INSULATION DEVICE Final Rejection Watlow Electric Manufacturing Company
17756086 AN UNBONDED FLEXIBLE PIPE Final Rejection National Oilwell Varco Denmark I/S
16952015 SYSTEM TO PREVENT LEAKS OF LIQUIDS IN MANUAL SPRAYERS Non-Final OA Swissmex-Rapid, S.A. de C.V.

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