Prosecution Insights
Last updated: October 27, 2026

Verita Eudora Ebun Grannum, USPTO Patent Examiner

Listed by the USPTO as GRANNUM, VERITA EUDORA EBUN

Tech Center 1700 • Art Units: 1721 1744

This examiner grants 61% of resolved cases

Analysis

GRANNUM, VERITA EUDORA EBUN is a USPTO patent examiner in Tech Center 1700 and art unit 1721. The profile covers 31 resolved cases, with an allowance rate of 61.3% and a median of 1348 days to allowance. Interviews show a lift of 45.6%, associating interview participation with a higher allowance outcome in the available record.

The listed companies are Panasonic Holdings Corporation, LG Energy Solution Ltd., and Ningde Amperex Technology Limited. The listed firms are WHDA, LLP, Bryan Cave Leighton Paisner LLP (DC), and ARENTFOX SCHIFF LLP - New York. The limited resolved-case volume calls for application-specific review, but the interview result may justify including an interview in a carefully sequenced prosecution strategy.

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

Performance Statistics

61.3%
Allow Rate
-3.7% vs TC avg
81
Total Applications
+45.6%
Interview Lift
1348
Avg Prosecution Days
Based on 31 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
23.3%
§102 Novelty
62.7%
§103 Obviousness
14.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18091478 Nanopowder Coatings That Enhance Lithium Battery Component Performance Final Rejection The Regents of The University of Michigan
18038822 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18018339 LITHIUM ION SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17913761 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17912708 ELECTRODE PLATE FOR SECONDARY BATTERY, METHOD FOR PRODUCING SAME, SECONDARY BATTERY, AND METHOD FOR PRODUCING SAME Non-Final OA SANYO Electric Co., Ltd.
18267766 BATTERY MODULE, BATTERY PACK COMPRISING BATTERY MODULE, AND VEHICLE COMPRISING BATTERY PACK Final Rejection LG ENERGY SOLUTION, LTD.
18021203 LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF Non-Final OA LG ENERGY SOLUTION, LTD.
18018168 Method for Manufacturing Secondary Battery and Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18004118 Positive Electrode Slurry and Positive Electrode for Lithium Secondary Battery Using the Same Final Rejection LG Energy Solution, Ltd.
17772102 NEGATIVE ELECTRODE AND LITHIUM-SULFUR BATTERY COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18475271 MODIFIED NEGATIVE ELECTRODE SHEET, AND PREPARATION METHOD AND APPLICATION THEREOF Non-Final OA EVE POWER CO., LTD.
18318136 SOLID ELECTROLYTE CERAMIC AND SOLID-STATE BATTERY Final Rejection Murata Manufacturing Co., Ltd.
17788764 SEPARATOR FOR ELECTROCHEMICAL ELEMENTS Non-Final OA KURARAY CO., LTD.
18002650 ELECTROLYTE, SECONDARY CELL, AND COMPOSITE MATERIAL Non-Final OA TOHOKU UNIVERSITY
18115922 BATTERY INSULATION SHIELD Final Rejection Ford Global Technologies, LLC
18021225 COMPOSITE POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE SHEET, MANUFACTURING METHOD THEREFOR, AND BATTERY Non-Final OA BYD COMPANY LIMITED
17715953 POSITIVE ELECTRODE AND SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE Non-Final OA Prime Planet Energy & Solutions, Inc.
18113641 POSITIVE ELECTRODE MATERIAL, AND ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS CONTAINING SAME Non-Final OA NINGDE AMPEREX TECHNOLOGY LIMITED
17705620 ELECTROCHEMICAL DEVICE AND AN ELECTRONIC DEVICE Final Rejection Ningde Amperex Technology Limited

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Frequently Asked Questions

What is examiner Verita Eudora Ebun Grannum's allowance rate?

61.3% of resolved applications examined by Verita Eudora Ebun Grannum were allowed (31 resolved cases), compared with 40.6% across Art Unit 1721 over the last five years.

Does an interview help with examiner Verita Eudora Ebun Grannum?

This examiner's interview lift is +45.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Verita Eudora Ebun Grannum take to allow a patent?

Applications allowed by Verita Eudora Ebun Grannum took 1,348 days on average from filing to allowance.

Which art unit does examiner Verita Eudora Ebun Grannum work in?

Verita Eudora Ebun Grannum examines applications in Art Unit 1721 in Tech Center 1700 (Chemistry & Materials).

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