Prosecution Insights
Last updated: April 19, 2026

Examiner: COHEN, BRIAN W

Tech Center 1700 • Art Units: 1723 1754 1759 1767 1794

This examiner grants 54% of resolved cases

Performance Statistics

54.2%
Allow Rate
-10.8% vs TC avg
661
Total Applications
+46.9%
Interview Lift
1136
Avg Prosecution Days
Based on 633 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
17.5%
§102 Novelty
53.7%
§103 Obviousness
22.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18244036 DISINFECTION OF WATER USING PULSED ELECTRIC FIELDS Non-Final OA Kohler Co.
18263950 DEVICE FOR PROVIDING A GAS COMPONENT AND VEHICLE COMPRISING SUCH A DEVICE Non-Final OA AIRBUS DEFENCE AND SPACE GMBH
18315433 METALLOPOLYMERS FOR CATALYTIC GENERATION OF HYDROGEN Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
18230398 NANOPORE FORMING METHOD AND USES THEREOF Non-Final OA Roche Sequencing Solutions, Inc.
17742125 HYDROGEN GENERATION AND CHEMICAL ENERGY STORAGE Non-Final OA NOOTER/ERIKSEN, INC.
17966433 SHUTDOWN METHODS FOR OXYGEN GENERATION SYSTEMS Final Rejection Hamilton Sundstrand Space Systems International, Inc.
18278798 METHOD FOR PRODUCING HYDROGEN GAS, METHOD FOR STOPPING OPERATION OF APPARATUS FOR PRODUCING HYDROGEN GAS, AND HYDROGEN GAS PRODUCTION APPARATUS Non-Final OA MITSUI MINING & SMELTING CO., LTD.
17264405 TIN ALLOY ELECTROPLATING BATH AND PLATING METHOD USING SAME Non-Final OA DIPSOL CHEMICALS CO., LTD.
18256925 Stabilization of the Deposition Rate of Platinum Electrolytes Non-Final OA Umicore Galvanotechnik GmbH
18198328 WELDING BURN REMOVER Non-Final OA TIMEC INC.
18035699 PLANT AND PROCESS FOR OBTAINING A PREDETERMINED CARBON DIOXIDE/OXYGEN RATIO IN THE ATMOSPHERE Non-Final OA OBRIST TECHNOLOGIES GMBH
18194136 System and Method for Generating Hydrogen Non-Final OA Erthos IP LLC
18245869 CAPILLARY-BASED ELECTRO-SYNTHETIC WATER ELECTROLYSIS CELLS Non-Final OA Hysata Pty Ltd
18092857 HYDROGEN PRODUCTION POWER SUPPLY SYSTEM Final Rejection Sungrow Hydrogen Sci.&Tech. Co., Ltd.
17924940 AMMONIA ELECTROLYSIS SYSTEM AND CONTROL METHOD THEREOF Final Rejection AESTECH CO., LTD.
17973954 DEVICE FOR OBTAINING NEWLY GENERATED OXYGEN FROM ATMOSPHERIC ENVIRONMENT AND APPARATUS FOR PREVENTING LIQUID FROM PASSING THERETHROUGH Non-Final OA TAIWAN CARBON NANO TECHNOLOGY CORPORATION

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