Prosecution Insights
Last updated: October 02, 2026

Examiner: EGGERDING, ALIX ECHELMEYER

Tech Center 2400 • Art Units: 1729 1795 2486

This examiner grants 57% of resolved cases

Analysis

Alix Echelmeyer Eggerding is an examiner in Tech Center 2400 and Art Unit 1729. She has 778 resolved cases with an allowance rate of 57.3%. This 57.3% rate suggests a moderate environment for applicants. The median days to allowance is 1440, which is a very long timeline for the 778 resolved cases in this art unit.

The interview lift is 17.7%. This 17.7% lift indicates that interviews are a beneficial strategy, providing a notable increase in the likelihood of allowance. In Art Unit 1729, the 57.3% allowance rate and the 1440 median days to allowance are key metrics for planning. The 17.7% lift is a significant factor for practitioners in Tech Center 2400.

With 778 resolved cases, the examiner's profile is well-established. The 57.3% allowance rate and the 1440-day median timeline suggest a lengthy prosecution process. The 17.7% interview lift further supports the use of direct communication to resolve issues. These figures provide a clear picture of the procedural landscape for applicants working with this examiner.

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

Performance Statistics

57.4%
Allow Rate
-0.6% vs TC avg
806
Total Applications
+17.9%
Interview Lift
1440
Avg Prosecution Days
Based on 781 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
15.9%
§102 Novelty
67.1%
§103 Obviousness
11.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18518584 ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY, AND MANUFACTURING METHODS FOR ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY AND ALL-SOLID STATE SECONDARY BATTERY Non-Final OA FUJIFILM Corporation
18617776 POLYTETRAFLUOROETHYLENE POWDER, ELECTRODE BINDER, ELECTRODE MIXTURE, ELECTRODE AND SECONDARY BATTERY Non-Final OA DAIKIN INDUSTRIES, LTD.
18617997 POLYTETRAFLUOROETHYLENE POWDER, BINDER FOR ELECTRODE, ELECTRODE MIXTURE, ELECTRODE, AND SECONDARY BATTERY Non-Final OA DAIKIN INDUSTRIES, LTD.
18396643 BATTERY MODULE Non-Final OA HONDA MOTOR CO., LTD.
18302800 FUEL CELL SYSTEM AND FUEL CELL SYSTEM ASSEMBLY Final Rejection HONDA MOTOR CO., LTD.
18271780 Electrode, Electrode Assembly, And Secondary Battery Comprising Same Final Rejection LG Energy Solution, Ltd.
17769514 Battery Module and Method for Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
18599581 BATTERY MODULE WITH TERMINAL COOLING AND METHOD FOR PRODUCING A BATTERY MODULE Non-Final OA AUDI AG
18079279 MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELLS Non-Final OA Kia Corporation
18495653 ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Final Rejection SAMSUNG SDI CO., LTD.
18241791 MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL Final Rejection TOPPAN INC.
18520465 BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURE SAME, BATTERY, AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17901347 SOLID OXIDE FUEL CELL PLACEMENT IN GAS TURBINE COMBUSTOR Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18291187 BATTERY UNIT, SYSTEM AND METHOD FOR ASSEMBLY OF THE SYSTEM Non-Final OA A. Raymond et Cie
18009342 IMPROVED MICROPOROUS MEMBRANE AND DEVICES COMPRISING THE SAME Final Rejection ASAHI KASEI KABUSHIKI KAISHA
17601882 LITHIUM COMPOSITE METAL OXIDE POWDER AND LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL Final Rejection Sumitomo Metal Mining Co., Ltd.
17914696 ENERGY STORAGE FACILITY Non-Final OA GS Yuasa International Ltd.
18401367 BUSBAR, BATTERY MODULE, AND BATTERY PACK Non-Final OA EVE ENERGY CO., LTD.
18254715 CARBON BLACK, SLURRY, AND LITHIUM ION SECONDARY BATTERY Final Rejection Denka Company Limited
18302268 POSITIVE ELECTRODE AND ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS CONTAINING SAME Non-Final OA Ningde Amperex Technology Limited

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