Prosecution Insights
Last updated: October 02, 2026

Examiner: BERMUDEZ, CHARLENE

Tech Center 2800 • Art Units: 1721 2855

This examiner grants 37% of resolved cases

Analysis

Charlene Bermudez is an examiner in Tech Center 2800 and Art Unit 1721. Across 84 resolved cases, she has an allowance rate of 36.9 percent. This rate suggests the prosecution environment for applicants. The median days to allowance is 1477, which represents the time investment for those seeking a patent grant in this art unit.

The data shows an interview lift of 26.3 percent. This lift is a factor given the 36.9 percent base allowance rate, as it suggests that interviews are an effective strategy for overcoming rejections. For the 84 resolved cases on record, the 26.3 percent lift provides an incentive for practitioners to engage the examiner directly. Navigating the 1477 day median pendency may involve using communication to improve the odds and move toward a successful resolution. This lift is a resource for applicants in Art Unit 1721.

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

Performance Statistics

36.9%
Allow Rate
-31.1% vs TC avg
107
Total Applications
+26.3%
Interview Lift
1477
Avg Prosecution Days
Based on 84 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
23.3%
§102 Novelty
57.8%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18486595 CONTROLLED RELEASE OF ANTIOXIDANT FOR FUEL CELLS Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
17782724 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18145749 SECONDARY BATTERY AND TERMINAL Final Rejection Huawei Technologies Co., Ltd.
18562577 CONVEYING DEVICE FOR A FUEL CELL SYSTEM FOR CONVEYING AND/OR RECIRCULATING A GASEOUS MEDIUM, IN PARTICULAR HYDROGEN Non-Final OA Robert Bosch GmbH
18558865 Electrical Energy Storage Device Non-Final OA Mercedes-Benz Group AG
16980658 UNIT CELL AND METHOD FOR MANUFACTURING THE SAME Final Rejection LG CHEM, LTD.
16645807 NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING THE NEGATIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE Non-Final OA LG ENERGY SOLUTION, LTD.
18478862 SECONDARY BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18339988 BATTERY MODULE Final Rejection Samsung SDI Co., Ltd.
18610260 ELECTRODE ASSEMBLY AND MANUFACTURING METHOD THEREOF, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18532827 BATTERY, ELECTRICAL DEVICE, AND METHOD AND APPARATUS FOR MANUFACTURING BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17520010 BATTERY MODULE AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18122202 Pouch-Type Secondary Battery Comprising Pattern Sealing Parts, Battery Module And Device Final Rejection SK On Co., Ltd.
18648538 DENDRITE-FREE ZINC-BASED FLOW BATTERY WITH HIGH AREAL CAPACITY Non-Final OA City University of Hong Kong
18405294 DETECTION AND MITIGATION OF ANOMALOUS CONDITIONS IN BATTERY MODULES USING THIN-FILM PRESSURE SENSORS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
19019087 ANODE MATERIAL AND BATTERY Non-Final OA DINGYUAN NEW ENERGY TECHNOLOGY CO., LTD.
16641168 ELECTROLYTE COMPLEX FOR LITHIUM-SULFUR BATTERY, ELECTROCHEMICAL DEVICE INCLUDING THE SAME AND METHOD FOR PREPARING THE ELECTROCHEMICAL DEVICE Non-Final OA UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

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