Prosecution Insights
Last updated: May 29, 2026

Examiner: KEELING, ALEXANDER W

Tech Center 1700 • Art Units: 1759 1785 1795

This examiner grants 56% of resolved cases

Performance Statistics

56.3%
Allow Rate
-8.7% vs TC avg
629
Total Applications
+38.1%
Interview Lift
1216
Avg Prosecution Days
Based on 576 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
9.4%
§102 Novelty
83.6%
§103 Obviousness
4.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17595861 METHOD OF OPERATING ELECTROLYSIS APPARATUS Final Rejection ASAHI KASEI KABUSHIKI KAISHA
18166014 METHOD OF CONTROLLING LOAD OF WATER ELECTROLYSIS STACK, METHOD OF PRODUCING HYDROGEN, AND WATER ELECTROLYSIS APPARATUS Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18060474 METHOD OF DETECTING LEAKAGE IN WATER ELECTROLYZER, METHOD OF GENERATING HYDROGEN, PROGRAM FOR DETECTING LEAKAGE IN WATER ELECTOLYZER, AND WATER ELECTROLYZER Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18135444 HYDROGEN GENERATION SYSTEM WITH MISSION CRITICAL CONTROL Non-Final OA Ohmium International, Inc.
18135431 SYSTEM AND METHOD FOR CONTROLLING PRODUCTION, STORAGE, AND/OR DISTRIBUTION OF HYDROGEN Non-Final OA Ohmium International, Inc.
18131672 ANCILLARY ELECTRIC VEHICLE OR FUEL CELL ELECTRIC VEHICLE CHARGING AND REFUELING Non-Final OA Ohmium International, Inc.
18254427 PROCESS FOR OPERATING AN ELECTROLYSIS APPARATUS AND ELECTROLYSIS APPARATUS Final Rejection Siemens Energy Global GmbH & Co. KG
18025899 METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM, AND ELECTROLYSIS SYSTEM Non-Final OA Siemens Energy Global GmbH & Co. KG
18042543 EIS MONITORING SYSTEMS FOR ELECTROLYZERS Final Rejection Analog Devices, Inc.
17801282 HYDROGEN SUPPLY SYSTEM, HYDROGEN STATION, AND METHOD FOR MANAGING HYDROGEN SUPPLY AND DEMAND Non-Final OA ENEOS Corporation
18178868 ELECTROLYSIS DEVICE AND ELECTROLYSIS METHOD Final Rejection KABUSHIKI KAISHA TOSHIBA
17291657 HEALING AND MORPHOGENESIS OF STRUCTURAL METAL FOAMS AND OTHER MATRIX MATERIALS Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
17760418 METHOD AND PLANT FOR THE ELECTROCHEMICAL PRODUCTION OF OXYGEN Non-Final OA Linde GmbH
18108763 MEMBRANE ELECTRODE ASSEMBLY, SOLID POLYMER ELECTROLYTE MEMBRANE, WATER ELECTROLYSIS APPARATUS AND ELECTROLYTIC HYDROGENATION APPARATUS Final Rejection AGC INC.
18134773 Sulfur-Doped Tin Oxide Catalysts for Electrochemical Conversion of CO2 into Aqueous Formate/Formic Acid Solutions Non-Final OA Battelle Memorial Institute
18667931 DIRECT CONVERSION OF AIR TO AMMONIA VIA ADVANCED MANUFACTURED ELECTROCHEMICAL REACTORS Non-Final OA Lawrence Livermore National Security, LLC
17809433 SINGLE-ATOMICALLY DISPERSED METAL / UNCONVENTIONAL-PHASE TRANSITION-METAL DICHALCOGENIDE NANOSHEET HYBRIDS AND METHODS OF PREPARATION AND USE THEREOF Non-Final OA City University of Hong Kong
18258448 CUP-SHAPED CHUCK OF SUBSTRATE HOLDING DEVICE AND SUBSTRATE HOLDING DEVICE Non-Final OA ACM RESEARCH (SHANGHAI), INC.
17995423 COPPER AND ANTIMONY BASED MATERIAL AND ELECTRODE FOR THE SELECTIVE CONVERSION OF CARBON DIOXIDE TO CARBON MONOXIDE Final Rejection FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA
16144800 METAL-CONTAINING CLUSTER CATALYST, AND ELECTRODE FOR CARBON DIOXIDE REDUCTION AND CARBON DIOXIDE REDUCTION APPARATUS INCLUDING THE SAME Non-Final OA Furukawa Electric Co., Ltd.
18411316 CATHODIC CORROSION PROTECTION Non-Final OA Vector Corrosion Technologies Ltd.
18522054 TEMPERATURE CONTROL OF AN ELECTROLYZER CELL Non-Final OA Verdagy, Inc.
18303085 SENSOR ARRAY FOR MULTI-CELL ELECTROLYZER STACK Non-Final OA Verdagy, Inc.
18550189 IMPURITY REMOVAL IN AN IRON CONVERSION SYSTEM Non-Final OA ELECTRASTEEL, INC.
18039244 SYSTEM AND METHOD FOR PRODUCING HYDROGEN FROM SOLAR ENERGY AND USE THEREOF IN ELECTRICITY PRODUCTION Non-Final OA SINGH, AKHILESH PRASAD
18322076 SCALABLE ELECTROLYSIS CELL AND STACK AND METHOD OF HIGH-SPEED MANUFACTURING THE SAME Non-Final OA EvolOH, Inc.
18132122 APPARATUS FOR MANUFACTURING COPPER FOIL Final Rejection SK NEXILIS CO., LTD.
18022374 ELECTRODE WITH ENHANCED SHUTDOWN TOLERANCE Non-Final OA INDUSTRIE DE NORA S.P.A.
17258601 ELECTRODE FOR THE ELECTROPLATING OR ELECTRODEPOSITION OF A METAL Final Rejection INDUSTRIE DE NORA S.P.A.
17926933 SEPARATION DEVICE AND SYSTEM FOR SEPARATING IMPURITY IONS FROM AQUEOUS HYPOCHLOROUS ACID SOLUTION Non-Final OA Health Support SANRI Corporation

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