Prosecution Insights
Last updated: May 29, 2026

Examiner: DARBY, BRENDON CHARLES

Tech Center 1700 • Art Units: 1749

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-15.0% vs TC avg
169
Total Applications
+16.6%
Interview Lift
1000
Avg Prosecution Days
Based on 126 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
5.5%
§102 Novelty
93.5%
§103 Obviousness
0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18309591 ADDITIVES AND PARTICLES FOR LITHIUM-ION RECHARGEABLE BATTERY Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18169256 PRESSURE RELIEF APPARATUS, BATTERY CELL, BATTERY AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
16757352 Pneumatic Tire Final Rejection The Yokohama Rubber Co., LTD.
18527737 PNEUMATIC TIRE Non-Final OA Toyo Tire Corporation
18527709 PNEUMATIC TIRE Non-Final OA Toyo Tire Corporation
18203032 NON-AQUEOUS RECHARGEABLE BATTERY, ELECTRODE PLATE FOR NON-AQUEOUS RECHARGEABLE BATTERY, AND METHOD FOR MANUFACTURING NON-AQUEOUS RECHARGEABLE BATTERY Non-Final OA PRIME PLANET ENERGY & SOLUTIONS, INC.
18035598 POSITIVE ELECTRODE COMPOSITE ACTIVE SUBSTANCE, LITHIUM ION SECONDARY BATTERY, COMPOSITE ACTIVE SUBSTANCE, METHOD FOR PRODUCING POSITIVE ELECTRODE COMPOSITE ACTIVE SUBSTANCE, AND METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY Non-Final OA KANEKA CORPORATION
18240523 PNEUMATIC TIRE Non-Final OA Sumitomo Rubber Industries, Ltd.
17754987 TIRE Final Rejection Sumitomo Rubber Industries, Ltd.
18882262 TIRE Non-Final OA HANKOOK TIRE & TECHNOLOGY CO., LTD
18626625 TIRE Non-Final OA HANKOOK TIRE & TECHNOLOGY CO., LTD.
18578951 TIRE Non-Final OA HANKOOK TIRE & TECHNOLOGY CO., LTD.
17632018 BICYCLE TYRE Non-Final OA Pirelli Tyre S.p.A.
17923035 LAYER SYSTEM, FLOW FIELD PLATE HAVING A LAYER SYSTEM OF THIS TYPE, AND FUEL CELL, ELECTROLYZER OR REDOX FLOW CELL Final Rejection Schaeffler Technologies AG & Co. KG
18114634 METHOD FOR MANUFACTURING BATTERY MODULE AND BATTERY MODULE Non-Final OA HONDA MOTOR CO., LTD.
18170562 LITHIUM SECONDARY BATTERY Final Rejection HONDA MOTOR CO., LTD.
18698556 THREE-DIMENSIONAL TIRE SIPE Final Rejection BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC
18697633 THREE-DIMENSIONAL TIRE SIPE WITH VARIABLE CROSS-SECTION Final Rejection BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC
18276113 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18566825 TIRE Non-Final OA BRIDGESTONE CORPORATION
18220712 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
18250136 BATTERY RECYCLING Non-Final OA THE UNIVERSITY OF BIRMINGHAM
18306828 Immersion Cooling of Battery Cells with Passage Design between Cells Non-Final OA Caterpillar lnc.
18039481 LAYERED POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA SVolt Energy Technology Co., Ltd.

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