Prosecution Insights
Last updated: October 02, 2026

Examiner: DIGNAN, MICHAEL L

Tech Center 1700 • Art Units: 1722 1723 1725

This examiner grants 58% of resolved cases

Analysis

Michael L Dignan operates in Tech Center 1700 and Art Unit 1722. The examiner has reached a resolution in 735 cases. Of these cases, the allowance rate is 58.0 percent. This volume of 735 cases provides a broad dataset for understanding the examiner's prosecution patterns. The 58.0 percent allowance rate suggests that a majority of applications reach a grant in Art Unit 1722.

The data includes an interview lift of 16.4 percent. This figure indicates the increase in the probability of allowance when an interview is conducted. The median days to allowance is 1170. This 1170-day figure represents the middle point of the prosecution duration for granted applications. Practitioners can use these figures to set expectations for both the likelihood of success and the time required to reach a resolution. The 16.4 percent lift suggests that interviews are a factor in the 58.0 percent allowance rate observed across the 735 cases.

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

Performance Statistics

58.0%
Allow Rate
-7.0% vs TC avg
779
Total Applications
+16.4%
Interview Lift
1170
Avg Prosecution Days
Based on 735 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
17.7%
§102 Novelty
58.4%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18385949 DEVICE FOR DETERMINING WATER CONTENT STATE OF FUEL CELL STACK AND FUEL CELL VEHICLE Final Rejection SUBARU CORPORATION
18385934 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION BATTERY, POSITIVE ELECTRODE MATERIAL, SOLID-STATE BATTERY, AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18466971 POWER STORAGE DEVICE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18103925 BATTERY PACK FRAME ASSEMBLIES Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
18308417 Battery Pack with Lanyard Receiver and Tether with Quick Attachment Non-Final OA Milwaukee Electric Tool Corporation
18570316 Electrode And Method For Preparing Same Non-Final OA LG Energy Solution, Ltd.
18290506 JIG DEVICE FOR CHARGING AND DISCHARGING SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
18012352 NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME Final Rejection LG Energy Solution, Ltd.
18615964 CELL-TO-PACK BATTERY Non-Final OA KIA CORPORATION
18604750 ALL SOLID-STATE BATTERY Final Rejection SAMSUNG SDI CO., LTD.
18511355 METHOD OF MANUFACTURING A NEGATIVE ELECTRODE ACTIVE MATERIAL Final Rejection MURATA MANUFACTURING CO., LTD.
18765077 ANTI-EXPLOSION VALVE PATCH FOR BATTERY, END COVER ASSEMBLY, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18533219 STACKING DEVICE AND METHOD FOR MANUFACTURING STACKED TYPE ELECTRODE ASSEMBLY Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18487742 BATTERY HOUSING STRUCTURE, METHOD FOR MANUFACTURING SAME, BATTERY, AND ELECTRICAL DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18451770 BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17947080 BATTERY BOX, BATTERY AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19179701 POLYMER, ELECTRODE PLATE AND ASSOCIATED BATTERY CELL, BATTERY AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
17973156 BATTERY PACK Non-Final OA SK ON CO., LTD.
18077705 BATTERY ENCLOSURE WITH REMOVABLE COVER SECTIONS Final Rejection Ford Global Technologies, LLC
18278558 SOLID ELECTROLYTE Final Rejection Mitsui Mining & Smelting Co., Ltd.
18598908 TEMPERATURE RAISING CONTROLLER Non-Final OA DENSO CORPORATION
18488697 COOLING SYSTEM FOR FUEL CELL Final Rejection DENSO CORPORATION
18287568 ALL-SOLID-STATE BATTERY Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18378693 Three-Dimensional Lattice Batteries via Additive Manufacturing Non-Final OA The Curators of the University of Missouri
18183026 PARTITION MEMBER AND ASSEMBLED BATTERY Final Rejection Mitsubishi Chemical Corporation
18274394 ACTIVE MATERIAL PARTICLE, ELECTRODE, ENERGY STORAGE DEVICE, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, ALL-SOLID-STATE SECONDARY BATTERY, METHOD FOR PRODUCING ACTIVE MATERIAL PARTICLES, AND ENERGY STORAGE APPARATUS Final Rejection GS Yuasa International Ltd.
18651945 COOLING STRUCTURE FOR BATTERY ASSEMBLY Non-Final OA GM Global Technology Operations LLC
18508620 NETWORK OF OPTICAL FIBER SENSORS AND METHOD FOR MONITORING THE STRUCTURAL HEALTH OF A COMPOSITE CRYOGENIC LIQUID HYDROGEN FUEL TANK Non-Final OA AIRBUS OPERATIONS, S.L.U.
18549336 COMPOSITE ANODE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM-ION BATTERY Non-Final OA BTR NEW MATERIAL GROUP CO., LTD.
18622476 LITHIUM METAL BATTERY AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited

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