Prosecution Insights
Last updated: April 19, 2026

Examiner: BYRD, EUGENE G

Tech Center 3600 • Art Units: 3644 3674 3675

This examiner grants 69% of resolved cases

Performance Statistics

69.4%
Allow Rate
+17.4% vs TC avg
873
Total Applications
+9.8%
Interview Lift
1093
Avg Prosecution Days
Based on 836 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
24.9%
§102 Novelty
59.5%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18438181 Washer and Screw Connection System Non-Final OA Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
18797739 Pipe Connector for Tightly Connecting Two Pipe Ends, Use Thereof and Method Non-Final OA Viega Technology GmbH & Co. KG
18242620 Sealing Ring and Connector Assembly Final Rejection Illinois Tool Works Inc.
18695657 GASKET Final Rejection NOK CORPORATION
18777714 WEAR SLEEVE AND LIP SEAL POSITIONABLE UPON A MACHINE COMPONENT Non-Final OA Caterpillar Inc.
18832198 JOINT AND INDUSTRIAL DEVICE Non-Final OA ABB Schweiz AG
19068187 Metallic Dynamic Seal Non-Final OA Batfer Investment S.A.
18727690 SEAL STRUCTURE Non-Final OA FANUC CORPORATION
18729908 O-Ring Vacuum Sealing Structure and Vacuum Apparatus Non-Final OA ARRAYED MATERIALS (CHINA) CO., LTD.
19103111 MECHANICAL SEAL Non-Final OA EAGLEBURGMANN JAPAN CO., LTD.
18727936 GAS SEALING STRUCTURE FOR INTERNAL COMBUSTION ENGINE Non-Final OA MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
18961403 FORM SEAL, DEVICE WITH A FORM SEAL, AND METHOD FOR USING A FORM SEAL Non-Final OA Endress+Hauser Conducta GmbH+Co. KG
18866174 OIL RING AND METHOD FOR MANUFACTURING OIL RING Non-Final OA NIPPON PISTON RING CO., LTD.
18727065 PLASMA RADICAL EDGE RING BARRIER SEAL Non-Final OA Lam Research Corporation
18774415 HIGH TEMPERATURE SEALING SYSTEM FOR AN AXIALLY EXPANDING VOLUME Final Rejection Raytheon Company
18937904 CONDUIT PLUG FOR PROTECTING ELECTRICAL WIRES Non-Final OA CorrSolve Corrosion Solutions, LLC
18935722 SEALING ELEMENT WITH EXTRUSION PREVENTION FEATURE Non-Final OA Freudenberg Flow Technologies LLC
18787612 SEAL WASHER AND MOUNTING STRUCTURE OF THE SAME Non-Final OA UCHIYAMA MANUFACTURING CORP.
17729889 GASKET PLATE Non-Final OA The Oilgear Company
18518506 Fastener Clip Assembly with Multiple Threads for Receiving a Screw Non-Final OA Termax Company
18370507 Expanding Dowel Pin Non-Final OA Utah State University Space Dynamics Laboratory

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