Prosecution Insights
Last updated: October 27, 2026

Gregg Cantelmo, USPTO Patent Examiner

Listed by the USPTO as CANTELMO, GREGG

Tech Center 1700 • Art Units: 1725 1726 1795

This examiner grants 75% of resolved cases

Analysis

CANTELMO, GREGG handles art unit 1725 in tech center 1700. The profile includes 1353 resolved cases, a 74.7% allowance rate, and a 7.5% interview lift. The median days to allowance are 990.

The listed companies are Contemporary Amperex Technology Co., Limited, LG Energy Solution Ltd., and Toyota Motor Corporation. The listed firms are Xsensus, Womble Bond Dickinson US LLP, and BIRCH STEWART KOLASCH & BIRCH, LLP. The high case volume and favorable allowance rate make the record useful for setting expectations. The modest positive interview lift indicates that interviews may help in selected cases, but does not displace written claim strategy.

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

Performance Statistics

74.7%
Allow Rate
+9.7% vs TC avg
1,385
Total Applications
+7.5%
Interview Lift
990
Avg Prosecution Days
Based on 1353 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
24.0%
§102 Novelty
39.6%
§103 Obviousness
28.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18060425 BATTERY CELL CARRIER FOR BATTERY PACK Non-Final OA TECHTRONIC CORDLESS GP
18410513 LAMINATED BATTERY, BATTERY STACK, AND METHOD OF MANUFACTURING LAMINATED BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18356799 FUEL CELL WITH SERPENTINE WITH-IN SERPENTINE FLOW FIELD CHANNELS Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
19016662 APPARATUS AND METHOD OF MANUFACTURING BATTERY MODULE Non-Final OA LG ENERGY SOLUTION, LTD.
18401935 LITHIUM SECONDARY BATTERY INCLUDING HEAT DISSIPATION CURRENT COLLECTOR Non-Final OA LG Energy Solution, Ltd.
18570755 Cell Module Assembly and Battery Pack Comprising the Same Non-Final OA LG Energy Solution, Ltd.
18637439 ELECTRODE TERMINAL, POLE ASSEMBLY, BATTERY, AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18638660 BATTERY CASE, BATTERY AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18584623 SEALING MEMBER, BATTERY AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18442169 BATTERY CELL, BATTERY AND ELECTRICITY-CONSUMING APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18534760 COMPOSITE CURRENT COLLECTOR, ELECTRODE ASSEMBLY, MANUFACTURING METHODS THEREFOR, AND SECONDARY BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18459033 NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRICAL DEVICE CONTAINING THE SAME Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18208913 ELECTROLYTE SOLUTION, SECONDARY BATTERY AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18447080 CYLINDRICAL SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
18003483 SECONDARY BATTERY Final Rejection Samsung SDI Co., Ltd.
18417795 ALL-SOLID-STATE BATTERY HAVING COATING LAYER INCLUDING LAYERED CARBON MATERIAL AND MANUFACTURING METHOD THEREOF Non-Final OA Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
18263714 NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, METHOD OF EVALUATING SAME, AND METHOD OF PRODUCING SAME, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY Non-Final OA RESONAC CORPORATION
18269187 HEAT SEALING FILM, VALVE DEVICE WITH HEAT SEALING FILM, ELECTRICITY STORAGE DEVICE, VALVE STRUCTURE FOR ELECTRICITY STORAGE DEVICE, AND METHOD FOR MANUFACTURING VALVE STRUCTURE FOR ELECTRICITY STORAGE DEVICE Final Rejection DAI NIPPON PRINTING CO., LTD.
18577830 ENERGY STORAGE APPARATUS, AND METHOD OF DIAGNOSING FAILURE OF CURRENT INTERRUPTION DEVICE Non-Final OA GS Yuasa International Ltd.
18579111 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY Non-Final OA TEIJIN LIMITED
18628092 POSITIVE ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited
18437277 BATTERY AND ELECTRONIC APPARATUS CONTAINING SAME Non-Final OA Ningde Amperex Technology Limited

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Frequently Asked Questions

What is examiner Gregg Cantelmo's allowance rate?

74.7% of resolved applications examined by Gregg Cantelmo were allowed (1,353 resolved cases), compared with 65.5% across Art Unit 1725 over the last five years.

Does an interview help with examiner Gregg Cantelmo?

This examiner's interview lift is +7.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Gregg Cantelmo take to allow a patent?

Applications allowed by Gregg Cantelmo took 990 days on average from filing to allowance.

Which art unit does examiner Gregg Cantelmo work in?

Gregg Cantelmo examines applications in Art Unit 1725 in Tech Center 1700 (Chemistry & Materials).

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