Prosecution Insights
Last updated: October 02, 2026

Examiner: WEST, ROBERT GENE

Tech Center 4100 • Art Units: 1700 1721 1722 4100

This examiner grants 75% of resolved cases

Analysis

Robert Gene West is a patent examiner assigned to Art Unit 1700 within Tech Center 4100. The examiner's professional record includes 119 resolved cases. The data indicates an allowance rate of 74.8% for these applications. This figure serves as a primary indicator of the probability of success for cases on this docket. Additionally, the median days to allowance is 1211, which establishes a specific timeframe for the prosecution process. These metrics offer a foundational understanding of the examiner's approach to patent applications.

The interview lift for this examiner is 24.4%. This 24.4% lift shows the change in the likelihood of allowance when an interview is conducted compared to the 74.8% base rate. With 119 resolved cases, the data provides a view of the examiner's historical performance. The 1211-day median pendency is a key metric for managing client expectations regarding the duration of the patent application process in Tech Center 4100. Practitioners should evaluate the allowance rate and the interview lift to determine the most effective strategy for their specific cases.

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

Performance Statistics

74.8%
Allow Rate
+14.8% vs TC avg
170
Total Applications
+24.4%
Interview Lift
1211
Avg Prosecution Days
Based on 119 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
18.6%
§102 Novelty
57.7%
§103 Obviousness
22.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18061060 HYDROGEN STORAGE DEVICE, AND VEHICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18240545 ELECTRODES FOR ENERGY STORAGE DEVICES Non-Final OA FASTCAP ULTRACAPACITORS LLC
18458267 NIOBIUM-TITANIUM-BASED OXIDE, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, VEHICLE, AND STATIONARY POWER SOURCE Non-Final OA KABUSHIKI KAISHA TOSHIBA
18176136 MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF ELECTRODE STRUCTURE Non-Final OA KABUSHIKI KAISHA TOSHIBA
18709404 ORAL CLEANSING DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18553501 SEPARATOR AND CYLINDRICAL SECONDARY BATTERY IN WHICH SAME IS USED Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17788085 SECONDARY BATTERY Non-Final OA SANYO Electric Co., Ltd.
18227340 BATTERY PACK AND VEHICLE Final Rejection HONDA MOTOR CO., LTD.
18226799 BATTERY PACK AND VEHICLE Final Rejection HONDA MOTOR CO., LTD.
18554063 HEAT MANAGEMENT DEVICE FOR AN ELECTRICAL AND/OR ELECTRONIC COMPONENT Final Rejection VALEO SYSTEMES THERMIQUES
18021012 SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
17919661 ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17781853 NEGATIVE ELECTRODE COMPRISING PRE-LITHIATION LAYER FOR LITHIUM METAL BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM METAL BATTERY COMPRISING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD
18132811 ALL-SOLID-STATE BATTERY WITH MINIMAL CHANGE IN VOLUME Non-Final OA Kia Corporation
17683574 POUCH-TYPE ALL-SOLID-STATE BATTERY HAVING REFERENCE ELECTRODE AND METHOD OF MANUFACTURING SAME Final Rejection Kia Corporation
18421043 FASTENING DEVICE AND BATTERY PACK INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18148373 RECHARGEABLE BATTERY MODULE AND ELECTRIC VEHICLE AND ENERGY STORAGE SYSTEM USING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18013740 ANODE LAYER FOR ALL-SOLID-STATE SECONDARY BATTERY, ALL-SOLID-STATE SECONDARY BATTERY COMPRISING SAME, AND METHOD FOR MANUFACTURING ALL-SOLID-STATE SECONDARY BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
17876901 SECONDARY BATTERY, ELECTRONIC DEVICE, AND POWER TOOL Final Rejection MURATA MANUFACTURING CO., LTD.
19304873 ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Non-Final OA Contemporary Amperex Technology Co., Limited
18675724 BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18322597 ELECTROLYTE SOLUTION, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND POWERED DEVICE Non-Final OA Contemporary Amperex Technology (Hong Kong) Limited
18450218 BATTERY ASSEMBLY AND BATTERY PACK INCLUDING BATTERY ASSEMBLY Final Rejection SK ON CO., LTD.
18021246 NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Maxell, Ltd.
18029432 COMPOSITES WITH SURFACE REFINING AND CONFORMAL GRAPHENE COATING, ELECTRODES, AND FABRICATING METHODS OF SAME Non-Final OA NORTHWESTERN UNIVERSITY
18021665 ALL SOLID STATE BATTERY AND MANUFACTURING METHOD THEREOF Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.
17896076 POSITIVE ELECTRODE ACTIVE MATERIAL AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME Non-Final OA Prime Planet Energy & Solutions, Inc.
17690494 VEHICLE BATTERY PACK UNIT AND VEHICLE INCLUDING SAME Final Rejection PRIME PLANET ENERGY & SOLUTIONS, INC.
18491128 VEHICLE HAVING POSITIVE VENTILATION FOR A HIGH VOLTAGE BATTERY PACK FOR THERMAL RUNAWAY GAS EVACUATION AND DILUTION Non-Final OA FCA US LLC
17928121 POSITIVE ELECTRODE AND ENERGY STORAGE DEVICE Non-Final OA GS Yuasa International Ltd.

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