Listed by the USPTO as AMPONSAH, OSEI K
Tech Center 1700 • Art Units: 1729 1752
This examiner grants 72% of resolved cases
AMPONSAH, OSEI K examines in tech center 1700 and art unit 1729. The record includes 717 resolved cases, a 72.4% allowance rate, and a median of 1211 days to allowance. The interview lift is 32.8%, indicating a meaningful positive association within a substantial case record. The profile supports planned interview use, while the allowance rate and median timing show that interviews remain part of a longer prosecution process rather than a standalone solution.
Contemporary Amperex Technology Co., Limited, LG Energy Solution Ltd., and SK Inc. are the leading companies. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, IP & T GROUP LLP, and AMPACC Law Group, PLLC. Practitioners may prepare targeted discussions around claim scope and technical distinctions, while maintaining a written strategy for the extended path to allowance.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18434918 | Liquid Electrolyte For An Electrochemical Cell With A Silicon-Based Anode | Non-Final OA | APPLE INC. |
| 18706061 | ELECTROCHEMICAL CELL HAVING A MEMBRANE-ELECTRODE UNIT, A DIFFUSION LAYER AND A DISTRIBUTOR PLATE, AND A METHOD FOR PRODUCING AN ELECTROCHEMICAL CELL | Non-Final OA | Robert Bosch GmbH |
| 18194274 | ORGANIC CARBONATE-BASED HIGH FLASH POINT ELECTROLYTE | Non-Final OA | KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY |
| 18037228 | BATTERY MODULE | Non-Final OA | Panasonic Intellectual Property Management Co., Ltd. |
| 17788097 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | Final Rejection | Panasonic Intellectual Property Management Co., Ltd. |
| 18289505 | LITHIUM SECONDARY BATTERY WITH A SI-BASED NEGATIVE ELECTRODE MATERIAL AND INCLUDING NICKEL AS A POSITIVE ELECTRODE MATERIAL | Final Rejection | LG ENERGY SOLUTION, LTD. |
| 18277862 | BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME | Final Rejection | LG ENERGY SOLUTION, LTD. |
| 18270592 | BATTERY MODULE AND BATTERY PACK AND METHOD PERFORMED BY HYDROGEN SULFIDE NEUTRALIZATION SYSTEM | Final Rejection | LG ENERGY SOLUTION, LTD. |
| 18038515 | Positive Electrode Active Material, and Positive Electrode and Lithium Secondary Battery Which Include the Same | Final Rejection | LG Energy Solution, Ltd. |
| 18533305 | JOINING METHOD | Non-Final OA | HONDA MOTOR CO., LTD. |
| 19017808 | ELECTROLYTE FOR SODIUM SECONDARY BATTERY, SODIUM SECONDARY BATTERY, AND ELECTRIC APPARATUS | Non-Final OA | CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED |
| 18344835 | BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURE SAME, BATTERY, AND POWER CONSUMING DEVICE | Final Rejection | CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED |
| 18670341 | END CAP, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE | Non-Final OA | CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED |
| 18615724 | HEAT EXCHANGE PLATE, BATTERY, ELECTRIC APPARATUS, AND MANUFACTURING METHOD OF BATTERY | Non-Final OA | CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED |
| 17729236 | POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL | Non-Final OA | SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
| 18397503 | ELECTRODE FOR RECHARGEABLE BATTERY, ELECTRODE ASSEMBLY, AND RECHARGEABLE BATTERY INCLUDING THE SAME | Final Rejection | SAMSUNG SDI CO., LTD. |
| 18495391 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME | Non-Final OA | Samsung SDI Co., Ltd. |
| 18737139 | EXTERIOR MATERIAL, SOLID STATE BATTERY, AND ELECTRONIC DEVICE | Non-Final OA | Murata Manufacturing Co., Ltd. |
| 17623578 | METHODS AND COMPOSITIONS FOR HIGH-ENERGY BATTERY CATHODES | Non-Final OA | Virginia Tech Intellectual Properties, Inc. |
| 17783802 | LITHIUM METAL COMPOSITE OXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY | Final Rejection | Sumitomo Metal Mining Co., Ltd. |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy72.4% of resolved applications examined by Osei K Amponsah were allowed (717 resolved cases), compared with 52.2% across Art Unit 1729 over the last five years.
This examiner's interview lift is +32.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Osei K Amponsah took 1,211 days on average from filing to allowance.
Osei K Amponsah examines applications in Art Unit 1729 in Tech Center 1700 (Chemistry & Materials).
