Prosecution Insights
Last updated: April 19, 2026

Examiner: PARENT, ALEXANDER RENE

Tech Center 1700 • Art Units: 1732 1738 1794 1795

This examiner grants 57% of resolved cases

Performance Statistics

56.8%
Allow Rate
-8.2% vs TC avg
126
Total Applications
+16.2%
Interview Lift
1227
Avg Prosecution Days
Based on 81 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
15.1%
§102 Novelty
47.5%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17995663 Li ION RECOVERY MEMBER AND Li RECOVERY DEVICE USING SAME Non-Final OA IDEMITSU KOSAN CO.,LTD.
17522241 ELECTRODIALYZER AND ELECTRODIALYSIS SYSTEM FOR CO2 CAPTURE FROM OCEAN WATER Final Rejection California Institute of Technology
17877167 HYDROGEN ISOTOPE SEPARATION SYSTEMS Non-Final OA GEORGIA TECH RESEARCH CORPORATION
18172820 CARBON DIOXIDE CAPTURE SYSTEM AND CARBON DIOXIDE CAPTURE METHOD Non-Final OA KABUSHIKI KAISHA TOSHIBA
18075123 SOLAR DRIVEN AQUACULTURE FARM WITH OXYGEN GENERATION FOR ENHANCED POPULATION HEALTH STABILITY Non-Final OA Ohmium International, Inc.
18075138 PHOTO ELECTROLYSIS DEVICE WITH PHOTOVOLTAIC DRIVEN HYDROGEN PUMP FOR HYDROGEN GENERATION AND WATER OXYGENATION Final Rejection Ohmium International, Inc.
18094588 SYSTEMS AND METHODS FOR HYDROMETALLURGICAL, ANTI-SOLVENT, AND ELECTROCHEMICAL RECOVERY OF METALS FROM WASTES AND ASHES Non-Final OA The Trustees of Columbia University in the City of New York
18122599 MEMBRANE-BASED ALKALI METAL SALT PRECIPITATION Non-Final OA Lyten, Inc.
18122606 MEMBRANE-BASED ALKALI METAL PRODUCTION SYSTEM Non-Final OA Lyten, Inc.
17295268 ION REMOVAL KIT Final Rejection KYUNGDONG NAVIEN CO.,LTD.
17878275 ION EXCHANGE MEMBRANE WITH CATALYST LAYER, ION EXCHANGE MEMBRANE AND ELECTROLYTIC HYDROGENATION APPARATUS Final Rejection AGC INC.
16968050 INTEGRATED ELECTROCHEMICAL CAPTURE AND CONVERSION OF CARBON DIOXIDE Non-Final OA Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
18011305 METHOD AND APPARATUS FOR REMOVING HYDROGEN PEROXIDE, AND APPARATUS FOR PRODUCING PURE WATER Final Rejection ORGANO CORPORATION
18064023 CATALYST INK COMPOSITION AND CATALYST COATED MEMBRANES FOR ELECTROLYSIS Final Rejection UOP LLC
18043670 HIGH-EFFICIENT MAGNESIUM ION REMOVAL SYSTEM FOR SALT LAKE BRINE BASED ON IN SITU ALKALI PRODUCTION USING BIPOLAR MEMBRANE ELECTROCHEMICAL PROCESS Non-Final OA DALIAN UNIVERSITY OF TECHNOLOGY
18396865 ELECTROCHEMICAL LITHIUM EXTRACTION AND RECOVERY Non-Final OA Wisconsin Alumni Research Foundation
18066474 ELECTROCHEMICAL PHOSPHATE REMOVAL AND RECOVERY CELLS Non-Final OA Wisconsin Alumni Research Foundation
18734848 APPARATUS AND METHOD FOR GREEN HYDROGEN PRODUCTION USING SUBMERGED DESALINATION SYSTEM Final Rejection Natural Ocean Well Co.
18021336 AMMONIA PRODUCTION METHOD AND AMMONIA PRODUCTION APPARATUS Non-Final OA NISSAN CHEMICAL CORPORATION
17919455 ELECTROLYTIC CONVERSION OF CARBON-CONTAINING IONS USING POROUS METAL ELECTRODES Non-Final OA THE UNIVERSITY OF BRITISH COLUMBIA
18271561 SELF-CLEANING CO2 REDUCTION SYSTEM AND RELATED METHODS Non-Final OA THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
17132235 ELECTRODIALYSIS PROCESS FOR HIGH ION REJECTION IN THE PRESENCE OF BORON Non-Final OA MIS IP Holdings, LLC
18097787 PROCESS AND APPARATUS FOR HIGH RECOVERY IN ELECTRODIALYSIS AND ELECTRODEIONIZATION SYSTEMS Non-Final OA IONIC SOLUTIONS LTD.
18015769 IMPROVED APPARATUS AND METHOD FOR MEDIATION OF PFAS CONTAMINATION IN AN ENVIRONMENT Non-Final OA BIOLARGO, INC.
18146568 METHODS AND APPARATUSES FOR OXIDANT CONCENTRATION CONTROL Non-Final OA Aqua Research, Inc.
17758058 METHOD FOR CO-PRODUCING IODINE AND SALT Non-Final OA GODO SHIGEN CO., LTD.

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