Prosecution Insights
Last updated: April 19, 2026

Examiner: CHAUDRY, ATIF H

Tech Center 3700 • Art Units: 2853 3753

This examiner grants 70% of resolved cases

Performance Statistics

70.2%
Allow Rate
At TC average
1100
Total Applications
+17.1%
Interview Lift
1056
Avg Prosecution Days
Based on 1061 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
24.8%
§102 Novelty
55.0%
§103 Obviousness
16.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18176038 PRESSURE SENSING BLOWOUT PREVENTER CONTROL SYSTEM Final Rejection Schlumberger Technology Corporation
18983052 MOTOR-OPERATED VALVE Non-Final OA DENSO CORPORATION
18359869 ELECTROLYTE INJECTION SYSTEM OF SECONDARY BATTERY Final Rejection SK ON CO., LTD.
18435470 VALVE UNIT, LIQUID EJECTION DEVICE, AND MANUFACTURING METHOD FOR VALVE UNIT Non-Final OA SEIKO EPSON CORPORATION
18344855 LIQUID HYDROGEN STORAGE SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18595889 Valve Assembly Configured for Position and Control Within a Fluid Line Final Rejection The Boeing Company
18704089 A VALVE CONTROL DEVICE Final Rejection ALFA LAVAL CORPORATE AB
18868214 CONTROL VALVE AND THERMAL MANAGEMENT SYSTEM Non-Final OA ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.
18867840 CONTROL VALVE Non-Final OA ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.
18873825 VALVE Non-Final OA VAT Holding AG
18973944 CONNECTING FLANGE FOR A CONTROL VALVE FOR REDUCING TORSION, AS WELL AS CONTROL VALVE AND METHOD FOR REDUCING TORSION Non-Final OA Samson Aktiengesellschaft
18866368 GAS-FLOW ADJUSTMENT DEVICE FOR A GAS BURNER APPLIANCE AND GAS BURNER APPLIANCE Non-Final OA PITTWAY SARL
18966901 FLUID TRANSPORT AND DISTRIBUTION MANIFOLD Non-Final OA Sunflower Therapeutics, PBC
18953925 HYDRODYNAMIC FOCUSING APPARATUS AND METHODS Non-Final OA CYTONOME/ST, LLC
18866391 CONTROL OF FLUID TEMPERATURE IN A DIALYSIS SYSTEM Non-Final OA GAMBRO LUNDIA AB
18863551 THREE-WAY VALVE Non-Final OA CLEAN AIR POWER GT LIMITED
18896715 ROCK STRAINING SYSTEM Final Rejection Proppant Express Solutions, LLC
18894698 PORTABLE NATURAL GAS DISTRIBUTION SYSTEM Non-Final OA COMANCHE GAS SOLUTIONS LLC
18848571 METHOD FOR SUPPLYING ASSOCIATIVE GAS TO SEMICONDUCTOR MANUFACTURING APPARATUS Non-Final OA Kuwana Metals, Ltd.
18804548 VALVE ASSEMBLY WITH AIR RELEASE AND SENSOR Final Rejection Mueller International LLC
18834336 METHOD AND DEVICE FOR DETERMINING DATA ASSOCIATED WITH A PROCESS VALVE SHUT-OFF BODY Non-Final OA GEMÜ Gebr. Müller Apparatebau GmbH & Co. Kommanditgesellschaft
18657071 PREDICTIVE MAINTENANCE METHOD AND SYSTEM Non-Final OA SCHIVO MEDICAL LIMITED
18261594 A FLUID CONTROL SYSTEM Non-Final OA DROPTECH AS

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