Prosecution Insights
Last updated: May 29, 2026

Examiner: CHOI, WILLIAM SOON

Tech Center 3700 • Art Units: 3679 3746 3753

This examiner grants 74% of resolved cases

Performance Statistics

74.3%
Allow Rate
+4.3% vs TC avg
411
Total Applications
+11.4%
Interview Lift
965
Avg Prosecution Days
Based on 382 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
16.1%
§102 Novelty
66.6%
§103 Obviousness
14.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18653519 FIBER REINFORCED LAMINATE PIPE JOINT INSERT Non-Final OA Grant Prideco, Inc.
18688175 GLAND, PIPE JOINT, AND METHOD FOR JOINING PIPES Non-Final OA KUBOTA CORPORATION
19217588 Hose Connectors Final Rejection Mulch Unlimited, Inc.
19070904 Method of Installing a Pipe Coupling Non-Final OA Victaulic Company
19063902 Coupling Having Visual Installation Indicators Non-Final OA Victaulic Company
18752491 POTTED CAVITY FITTING Final Rejection GOODRICH CORPORATION
18809403 Arrangement Having a Coupling Connection Non-Final OA AS Strömungstechnik GmbH
19101624 CONNECTOR, PIPE SYSTEM AND ASSEMBLING PROCESS Non-Final OA Elysee Irrigation Ltd.
19045846 Bell and Spigot and Method of Making Same Non-Final OA Springseal, Inc.
18214641 CONDUIT CONNECTION DEVICE FOR AN INSERTION-INSTRUMENT AND ENDOSCOPE APPARATUS Non-Final OA OLYMPUS MEDICAL SYSTEMS CORP.
18555530 MINING HOSE CONNECTING DEVICE AND METHOD Final Rejection CCTEG CHONGQI RESEARCH INSTITUTE
18856378 MULTI-COUPLING FOR MEDIA LINES Non-Final OA VOSS Automotive GmbH

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