Prosecution Insights
Last updated: October 01, 2026

Examiner: BERRESFORD, JORDAN ELIZABETH

Tech Center 1700 • Art Units: 1727

This examiner grants 68% of resolved cases

Analysis

Jordan Elizabeth Berresford is an examiner in Tech Center 1700 and Art Unit 1727 with 183 resolved cases. Her allowance rate is 67.8 percent, and the median days to allowance is 1145. These metrics provide a statistical basis for observations within the 1700 tech center. The 1145-day median is a benchmark for the duration of the 183 cases she has handled.

The interview lift of 6.8 percent is a factor compared to the 67.8 percent allowance rate. This suggests that interviews provide a modest improvement in the probability of a grant. For the 183 cases resolved, the 1145-day median pendency highlights the importance of a steady prosecution strategy. The 6.8 percent lift indicates that direct communication can help resolve some issues, though the baseline allowance rate remains a primary consideration. Practitioners should use the 1145-day median to set expectations for their clients.

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

Performance Statistics

68.1%
Allow Rate
+3.1% vs TC avg
208
Total Applications
+6.1%
Interview Lift
1146
Avg Prosecution Days
Based on 185 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
23.4%
§102 Novelty
53.8%
§103 Obviousness
22.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18731718 CATHODE COMPOSITE MATERIAL AND LITHIUM SECONDARY BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18291342 LITHIUM ION SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18693322 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Energy Co., Ltd.
18177899 BATTERY MODULE Non-Final OA Robert Bosch GmbH
18586586 BATTERY PACK Non-Final OA HONDA MOTOR CO., LTD.
18695213 BATTERY PACK, AND ENERGY STORAGE SYSTEM AND VEHICLE INCLUDING THE BATTERY PACK Non-Final OA LG ENERGY SOLUTION, LTD.
18568711 A SULFIDE-BASED SOLID ELECTROLYTE AND A METHOD FOR PREPARING SULFIDE-BASED SOLID ELECTROLYTE Non-Final OA LG ENERGY SOLUTION, LTD.
18026510 BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME Non-Final OA LG Energy Solution, Ltd.
18014451 BATTERY PACK AND DEVICE INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17768987 Cylindrical Battery and Method for Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
18644378 BATTERY MODULE HOUSING WITH ANTI-SLIP GUIDE STRUCTURE Non-Final OA HYUNDAI MOBIS CO., LTD.
18123740 MODULAR ELECTRIC VEHICLE BATTERY PACK FRAME HAVING EXTRUDED ALUMINUM STRUCTURAL MEMBERS Final Rejection Rivian IP Holdings, LLC
18607219 RECHARGEABLE BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18473043 SEALING TAPE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18627031 NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY AND METHOD FOR PREPARING SAME, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17683647 POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18292744 STEEL SHEET FOR TOP COVER OF BATTERY PACK AND ITS MANUFACTURING METHOD Non-Final OA ArcelorMittal
18627382 ELECTROLYTE AND SECONDARY BATTERY COMPRISING SAME Non-Final OA SOULBRAIN CO., LTD.
18412293 ELECTROLYTE COMPOSITIONS FOR BATTERIES Non-Final OA Enevate Corporation
18589803 METHOD FOR MANUFACTURING STORAGE DEVICE Non-Final OA Prime Planet Energy & Solutions, Inc.
18581388 BATTERY PACK Non-Final OA Prime Planet Energy & Solutions, Inc.
17935132 POWER STORAGE DEVICE HAVING PLEATED CASE Non-Final OA Prime Planet Energy & Solutions, Inc.
18595327 IONIC LIQUID ELECTROLYTES FOR LITHIUM BATTERIES Non-Final OA UCHICAGO ARGONNE, LLC
18329190 ELECTROLYTES COMPRISING FLUOROALKOXYSILANE ADDITIVES FOR LITHIUM ION BATTERIES INCLUDING SILICON-CONTAINING NEGATIVE Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
17414149 NON-AQUEOUS ELECTROLYTE CONTAINING LIFSI SALT FOR FAST CHARGING/DISCHARGING OF LITHIUM-ION BATTERY Final Rejection UT-Battelle, LLC
18657888 ELECTROLYTE FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERIES CONTAINING THE SAME Non-Final OA Pusan National University Industry-University Cooperation Foundation

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