Prosecution Insights
Last updated: October 27, 2026

Hunsuyador Mugeesatu Yusif, USPTO Patent Examiner

Listed by the USPTO as YUSIF, HUNSUYADOR MUGEESATU

Tech Center 4100 • Art Units: 1743 1744 4100

This examiner grants 67% of resolved cases

Analysis

YUSIF, HUNSUYADOR MUGEESATU is a USPTO patent examiner in tech center 4100 and art unit 1743. The profile includes 6 resolved cases, a 66.7% allowance rate, and a median of 1187 days to allowance. Because the resolved-case record is small, the figures should be treated as an early indication rather than a broad measure of examination behavior.

The interview lift is 50.0%, a positive association in the available record. Toyota Motor Corporation, LG Energy Solution Ltd., and Kia Corporation are the listed companies. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, OLIFF PLC, and Polygon IP, LLP. Practitioners should account for the limited case volume when using this profile to guide interview or amendment planning in art unit 1743.

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

Performance Statistics

66.7%
Allow Rate
+6.7% vs TC avg
38
Total Applications
+50.0%
Interview Lift
1187
Avg Prosecution Days
Based on 6 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
25.5%
§102 Novelty
58.5%
§103 Obviousness
13.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18659031 ENERGY STORAGE CELL AND ENERGY STORAGE MODULE INCLUDING THE SAME Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18636641 POWER STORAGE CELL AND METHOD OF PRODUCING THE SAME Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18427125 BATTERY AND METHOD FOR PRODUCING BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18561600 ANODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD FOR ANODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING ANODE Non-Final OA LG ENERGY SOLUTION, LTD.
18276144 BATTERY PACK HAVING IMPROVED SAFETY Final Rejection LG ENERGY SOLUTION, LTD.
18270689 BATTERY MODULE AND BATTERY PACK COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18267139 Thermally Robust Cell Assembly, and Cell Module Comprising Such a Cell Assembly Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18668921 BATTERY SYSTEM Non-Final OA KIA CORPORATION
18610531 BATTERY SYSTEM FOR VEHICLES Non-Final OA Kia Corporation
18530118 ANODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY Non-Final OA Kia Corporation
18915970 PRESSURIZING APPARATUS, BATTERY, BATTERY CELL, PROCESSING METHOD, AND PRODUCTION SYSTEM Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18617298 BATTERY PACK Non-Final OA Samsung SDI Co., Ltd.
18194450 POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18192652 BATTERY PACK Non-Final OA Prime Planet Energy & Solutions, Inc.
18323608 POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM-ION SECONDARY BATTERY Non-Final OA NGK INSULATORS, LTD.
18323744 BATTERY CELLS INCLUDING HIGH VOLTAGE CATHODE ELECTRODES WITH ENHANCED CYCLING CAPABILITY Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18315201 FLUIDIC COOLANT SYSTEM AND APPARATUS FOR A FUEL CELL STACK Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18287900 Battery Receiving System Final Rejection Lisa Dräxlmaier GmbH
18266716 LITHIUM-SULFUR SECONDARY BATTERY ELECTRODE BINDER AND USE THEREOF Final Rejection TOAGOSEI CO., LTD.
18035019 TERMINAL ASSEMBLIES AND METHODS OF USING AND MAKING THE SAME Final Rejection EAGLEPICHER TECHNOLOGIES, LLC

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Frequently Asked Questions

What is examiner Hunsuyador Mugeesatu Yusif's allowance rate?

66.7% of resolved applications examined by Hunsuyador Mugeesatu Yusif were allowed (6 resolved cases), compared with 59.4% across Art Unit 1743 over the last five years.

Does an interview help with examiner Hunsuyador Mugeesatu Yusif?

This examiner's interview lift is +50.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hunsuyador Mugeesatu Yusif take to allow a patent?

Applications allowed by Hunsuyador Mugeesatu Yusif took 1,187 days on average from filing to allowance.

Which art unit does examiner Hunsuyador Mugeesatu Yusif work in?

Hunsuyador Mugeesatu Yusif examines applications in Art Unit 1743 in Tech Center 4100.

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