Prosecution Insights
Last updated: October 02, 2026

Examiner: COHEN, BRIAN W

Tech Center 1700 • Art Units: 1723 1754 1759 1767 1794 1795

This examiner grants 55% of resolved cases

Analysis

Brian W Cohen serves in Tech Center 1700 and Art Unit 1723. He has 648 resolved cases and an allowance rate of 54.8 percent. This rate indicates the examination environment. The median days to allowance is 1189, which is the duration for the prosecution process in this tech center.

The interview lift is 47.6 percent. This lift indicates that interviews are productive for this examiner. In Tech Center 1700, the 47.6 percent lift can enhance the 54.8 percent allowance rate, making it a strategy for practitioners.

The 648 resolved cases provide a statistical foundation. The 54.8 percent allowance rate and the 1189 days median to allowance are benchmarks for Art Unit 1723. Practitioners should leverage the 47.6 percent interview lift to improve their chances of securing a patent. The combination of these metrics defines the current prosecution landscape for this examiner.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

54.8%
Allow Rate
-10.2% vs TC avg
676
Total Applications
+47.6%
Interview Lift
1189
Avg Prosecution Days
Based on 648 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
14.4%
§102 Novelty
57.7%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18459610 ELECTROLYSIS SYSTEM Non-Final OA Schlumberger Technology Corporation
18263950 DEVICE FOR PROVIDING A GAS COMPONENT AND VEHICLE COMPRISING SUCH A DEVICE Non-Final OA AIRBUS DEFENCE AND SPACE GMBH
18344073 ELECTROCHEMICAL CELL DEIONIZATION SYSTEM Non-Final OA Robert Bosch GmbH
18385356 CARBON DIOXIDE ELECTROLYSIS APPARATUS Non-Final OA Honda Motor Co., Ltd.
18320447 FLUIDIZED ARABIAN SAND AS HEAT TRANSFER MEDIA FOR HYDROGEN ECONOMY Non-Final OA SAUDI ARABIAN OIL COMPANY
18305221 PHOTOELECTROCHEMICAL PRODUCTION OF HYDROGEN FROM WASTEWATER Non-Final OA SAUDI ARABIAN OIL COMPANY
18485096 A MEMBRANE-FREE ALKALINE ELECTROLYZER FOR UPCYCLING WASTE INTO AMMONIA Non-Final OA IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
18691755 COMPOSITION FOR COPPER ELECTRODEPOSITION COMPRISING A POLYAMINOAMIDE TYPE LEVELING AGENT Non-Final OA BASF SE
18277563 ELECTROCHEMICAL CONVERSION TO CARBONATE-CONTAINING COMPOUNDS AND RELATED METHODS Non-Final OA Massachusetts Institute of Technology
18551193 ELECTRODE, METHOD FOR PREPARING ELECTRODE, ANODE FOR WATER ELECTROLYSIS, ELECTROLYTIC CELL, AND METHOD FOR PRODUCING HYDROGEN Non-Final OA ASAHI KASEI KABUSHIKI KAISHA
19274130 CORE LOADING METHOD AND APPARATUS Non-Final OA Brillouin Energy Corp.
18469604 ELECTROCHEMICAL PROCESS FOR CO2 REDUCTION TO FUEL AND SIMULTANEOUS OXYGEN GENERATION Non-Final OA Hamilton Sundstrand Corporation
18289682 METHOD FOR REFINING BERYLLIUM BY MOLTEN SALT ELECTROLYSIS Non-Final OA ZHENGZHOU UNIVERSITY
18267048 WATER-USING ELECTRICAL APPLIANCE AND METHOD FOR OPERATING A WATER-USING ELECTRICAL APPLIANCE Final Rejection Miele & Cie. KG
18040514 WATER ELECTROLYZER Non-Final OA EVOLOH, INC.

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