Prosecution Insights
Last updated: April 19, 2026

Examiner: NGUYEN, AIMEE TRAN

Tech Center 3600 • Art Units: 3617 3656

This examiner grants 81% of resolved cases

Performance Statistics

81.0%
Allow Rate
+29.0% vs TC avg
177
Total Applications
+18.9%
Interview Lift
743
Avg Prosecution Days
Based on 142 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
31.5%
§102 Novelty
40.6%
§103 Obviousness
25.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18851394 CAGE AND DEEP GROOVE BALL BEARING Non-Final OA NTN CORPORATION
18684831 CAGE FOR ROLLING BEARING AND ROLLING BEARING Non-Final OA NTN CORPORATION
18012802 BEARING APPARATUS Final Rejection NTN Corporation
18510892 AXIAL ROLLER BEARING ASSEMBLY Final Rejection VOLVO TRUCK CORPORATION
18775584 CAGE FOR ROLLING BEARINGS AND HIGH-SPEED BEARING FITTED WITH SUCH A CAGE Non-Final OA Aktiebolaget SKF
18654139 CAGE FOR ROLLING ELEMENTS OF HIGH-SPEED BEARING AND HIGH-SPEED BEARING Non-Final OA Aktiebolaget SKF
18517858 PLAIN BEARING RING AND METHOD FOR PRODUCING A PLAIN BEARING RING Non-Final OA AKTIEBOLAGET SKF
18385459 MODULAR SUPPORT ASSEMBLY Non-Final OA AKTIEBOLAGET SKF
18483867 BEARING ASSEMBLY Final Rejection AKTIEBOLAGET SKF
18244930 Sealing Structure for a Bearing Unit Non-Final OA AKTIEBOLAGET SKF
18856519 CROWN-TYPE RETAINER FOR BALL BEARING, AND BALL BEARING Non-Final OA NSK LTD.
18684459 ROLLING BEARING Final Rejection NSK LTD.
18689915 LIMITED STROKE LINEAR GUIDE DEVICE Final Rejection THK CO., LTD.
18839270 GAS BEARING DEVICE Final Rejection MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
18812513 LINEAR GUIDE UNIT WITH A MOVEMENT UNIT Non-Final OA Festo SE & Co. KG
18563729 ROLLING ELEMENT GUIDE RAIL, METHOD FOR MANUFACTURING ROLLING ELEMENT GUIDE RAILS, LINEAR GUIDE RAIL, LINEAR BALL BEARING AND LINEAR GUIDE CARRIAGE Final Rejection FESTO SE & CO. KG
18966365 BEARING FOR SUPPORTING SWASH PLATE OF HYDRAULIC STATIC TRANSMISSION Non-Final OA J.I HYDRAULIC CO.,LTD
18869994 COVER MEMBER AND LINEAR MOTION GUIDE UNIT Non-Final OA NIPPON THOMPSON CO., LTD.
18859031 Axial and Radial Sliding Bearing Non-Final OA Igus GmbH
18858734 Linear Plain Bearing Non-Final OA igus GmbH
18839505 A HYDRODYNAMIC SLIDING BEARING Non-Final OA Miba Bearings US, LLC
18834136 SHOE FOR HYDRODYNAMIC BEARING Final Rejection EUROBEARINGS S.R.L.
18774425 ROLLING BEARING, ROTATING DEVICE, AND METHOD FOR MANUFACTURING ROLLING BEARING Final Rejection Seiko Instruments Inc.
18736897 Thrust Washer for Distributing a Fluid with Lubricant Pockets Final Rejection E. WINKEMANN GmbH
18212436 WHEEL HUB SEAL Non-Final OA Consolidated Metco, Inc.

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