Prosecution Insights
Last updated: October 02, 2026

Examiner: CULLEN, SEAN P

Tech Center 1700 • Art Units: 1723 1725 1795

This examiner grants 69% of resolved cases

Analysis

Sean P. Cullen is an examiner in Tech Center 1700 and Art Unit 1723 with a history of 1251 resolved cases. His allowance rate stands at 69.1%, which serves as a benchmark for prosecution. The median days to allowance for these cases is 1182, reflecting the duration required to reach a grant under his review. This 1182-day timeline is a factor for applicants to consider when planning their patent strategy.

The data shows a 28.0% interview lift. This figure indicates that engaging in an interview correlates with an increase in the likelihood of allowance compared to the 69.1% baseline rate. Given the 1251 resolved cases, this 28.0% lift is a metric for practitioners in Art Unit 1723. Practitioners can use these figures to manage expectations. The prosecution environment is defined by these specific data points. Direct communication is a strategy for the cases he has resolved.

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

Performance Statistics

69.1%
Allow Rate
+4.1% vs TC avg
1,279
Total Applications
+28.0%
Interview Lift
1182
Avg Prosecution Days
Based on 1251 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
21.3%
§102 Novelty
40.0%
§103 Obviousness
35.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18418922 POSITIVE ELECTRODE ACTIVE MATERIAL FOR FLUORIDE ION BATTERY AND FLUORIDE ION BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18588079 POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18527307 COATED POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE MATERIAL, AND BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18504076 BATTERY AND METHOD OF MANUFACTURING BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18178540 BATTERY AND LAMINATED BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17977854 COMPOSITE, POLYMER ELECTROLYTE, ELECTROCHEMICAL DEVICE, POLYMER-BASED SOLID-STATE BATTERY, AND ACTUATOR Final Rejection DAIKIN INDUSTRIES, LTD.
18126683 BATTERY UNIT Final Rejection HONDA MOTOR CO., LTD.
18190138 LITHIUM-METAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME Final Rejection HONDA MOTOR CO., LTD.
18647532 THIN POLYETHYLENE SEPARATOR WITH REDUCED COMPRESSIBILITY AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18699845 ENDOTHERMIC POUCH ASSEMBLY FOR SECONDARY BATTERIES Non-Final OA LG ENERGY SOLUTION, LTD.
18291516 BATTERY CELL PRESSING JIG Final Rejection LG ENERGY SOLUTION, LTD.
18568067 ALIGNING DEVICE AND ASSEMBLING SYSTEM FOR BATTERY MODULE ASSEMBLY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18564422 POWER STORAGE DEVICE AND METHOD FOR OPERATING SAME Final Rejection LG ENERGY SOLUTION, LTD.
18276873 LITHIUM-SULFUR BATTERY WITH IMPROVED ENERGY DENSITY AND POWER Final Rejection LG ENERGY SOLUTION, LTD.
18027355 NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY INCLUDING THE SAME Final Rejection LG Energy Solution, Ltd.
18026674 METHOD FOR MANUFACTURING SEPARATOR FOR SECONDARY BATTERY, SEPARATOR OBTAINED THEREFROM AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17998357 LITHIUM ION SECONDARY BATTERY AND SEPARATION MEMBRANE Non-Final OA LG ENERGY SOLUTION, LTD.
18647823 BATTERY CELL AND METHOD OF MANUFACTURING SUCH A BATTERY CELL Non-Final OA Volkswagen Aktiengesellschaft
18651065 BATTERY CELL AND ENERGY STORAGE MODULE INCLUDING THE SAME Non-Final OA Samsung SDI Co., Ltd.
18631189 ELECTRODE ASSEMBLY AND METHOD FOR MANFUACTURING SAME, AND SECONDARY BATTERY INCLUDING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18497350 RECHARGEABLE LITHIUM BATTERY Final Rejection SAMSUNG SDI CO., LTD.
18449318 Solid Electrolyte Having Excellent Moisture Stability and Method for Preparing Same Non-Final OA Samsung SDI Co., Ltd.
18661081 LITHIUM SALTS OF CYANO-SUBSTITUTED IMIDAZOLE FOR LITHIUM ION BATTERIES Non-Final OA MURATA MANUFACTURING CO., LTD.
18081806 BATTERY PACK, POWER TOOL, AND ELECTRIC VEHICLE Final Rejection MURATA MANUFACTURING CO., LTD.
18668026 THERMAL PROTECTION COMPONENT, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18631502 EXHAUST SYSTEM FOR ENERGY STORAGE DEVICE, ENERGY STORAGE DEVICE, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18415693 ELECTRODE ASSEMBLY AND TRACTION BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18409908 CURRENT COLLECTING COMPONENT, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18406831 FLEXIBLE CABLE TIE, ELECTRICAL CONNECTION STRUCTURE AND BATTERY Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18424867 SECONDARY BATTERY AND BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS CONTAINING SUCH SECONDARY BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

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