Prosecution Insights
Last updated: May 29, 2026

Examiner: SINGH, SUNIL

Tech Center 3600 • Art Units: 3672 3678

This examiner grants 67% of resolved cases

Performance Statistics

67.3%
Allow Rate
+15.3% vs TC avg
1,129
Total Applications
+24.7%
Interview Lift
927
Avg Prosecution Days
Based on 1105 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
5.2%
§102 Novelty
72.0%
§103 Obviousness
16.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18584449 CAPILLARY LINE INTRODUCTION AND WITHDRAWAL OF GASES FROM A SUBTERRANEAN STORAGE FORMATION Non-Final OA SAUDI ARABIAN OIL COMPANY
18494588 PIPELINE HOISTING STRUCTURE AND METHOD Non-Final OA Petróleo Brasileiro S.A. - Petrobras
18861066 MINING MACHINE COMPRISING AN ACTUATOR MOUNTING ARRANGEMENT Non-Final OA SANDVIK MINING AND CONSTRUCTION OY
18925458 EXPANDING FOUNDATION SYSTEM AND METHOD Non-Final OA APA SOLAR, LLC
18858764 MODULAR PLATFORM SYSTEM FOR VERTICAL ORE STOPE MINING Non-Final OA NORDIC MINESTEEL TECHNOLOGIES INC.
18841865 BLOCK CAVING MINE CONFIGURATIONS AND METHODS Non-Final OA Caveman Consulting Pty Ltd
18690497 A CUTTING HEAD ASSEMBLY Final Rejection OPTIMA MINING SYSTEMS PTY LTD
18595066 BI-DIRECTIONAL FISH PASS HELIX Non-Final OA Percheron Power, LLC
18175447 Plasma Drilling System Non-Final OA EarthGrid PBC
18236672 Retainer for a Rotating Bit Final Rejection The Sollami Company
18134659 Insertion/Extraction Tool for Inserting and Extracting a Rotating Bit with an Integral Washer Feature Final Rejection The sollami Company
18102311 Retainer for a Rotating Bit Non-Final OA The Sollami Company
17970325 Retainer for a Rotating Bit Final Rejection The Sollami Company
17025778 Off Vessel Tensioning System and Method Non-Final OA Delmar Systems, Inc.

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