Prosecution Insights
Last updated: October 02, 2026

Examiner: DARBY, BRENDON CHARLES

Tech Center 1700 • Art Units: 1749

This examiner grants 51% of resolved cases

Analysis

Brendon Charles Darby is an examiner in Tech Center 1700, working in Art Unit 1749. He has 137 resolved cases and an allowance rate of 51.1%. This figure suggests that about half of the applications he reviews are granted. The interview lift is 16.8%, indicating that interviews provide a meaningful boost to the probability of success.

The median days to allowance for this examiner is 1011. This timeline is relatively standard, with grants typically occurring in under three years. For practitioners, the 137 resolved cases provide an initial look at his tendencies. The 51.1% allowance rate and the 16.8% interview lift suggest that applicants should be prepared for a balanced prosecution environment. In Art Unit 1749, the 1011-day median pendency is a key factor for planning and developing a strategy that includes direct communication.

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

Performance Statistics

51.1%
Allow Rate
-13.9% vs TC avg
172
Total Applications
+16.8%
Interview Lift
1011
Avg Prosecution Days
Based on 137 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
20.6%
§102 Novelty
56.4%
§103 Obviousness
20.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18194976 ELECTRICAL CONNECTOR TO CONNECT THE TERMINALS OF TWO ADJACENT BATTERY MODULES TO ONE ANOTHER IN A POWER STORAGE SYSTEM Non-Final OA FERRARI S.P.A.
18114634 METHOD FOR MANUFACTURING BATTERY MODULE AND BATTERY MODULE Final Rejection HONDA MOTOR CO., LTD.
18170562 LITHIUM SECONDARY BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18502520 HEATER FOR BATTERY Non-Final OA DEERE & COMPANY
18683941 Method for Manufacturing Crosslinked Structure-Containing Separator for Lithium Secondary Battery, Crosslinked Structure-Containing Separator for Lithium Secondary Battery Obtained Thereby, and Lithium Secondary Battery Including the Same Non-Final OA LG Chem, Ltd.
18697619 Hybrid Battery Cell and Hybrid Battery Module Comprising the Same Non-Final OA LG ENERGY SOLUTION, LTD.
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 Final Rejection KANEKA CORPORATION
18670509 NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18669365 ADDITIVE, ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18220712 SECONDARY BATTERY Final Rejection Samsung SDI Co., Ltd.
18547868 FUEL CELL MODULE AND FUEL CELL DEVICE Non-Final OA KYOCERA CORPORATION
18625656 NEGATIVE ELECTRODE PLATE, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18595075 ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18371689 STYRENE-ACRYLIC EMULSION AND PREPARATION METHOD THEREOF, ANODE PLATE, SECONDARY BATTERY AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18672019 BATTERY MODULE, BATTERY, AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18685014 BATTERY AND USAGE METHOD FOR SAME, AND BATTERY SYSTEM Non-Final OA Maxell, Ltd.
18296390 TRACTION BATTERY PACK TAB TERMINAL PIERCING SYSTEM Non-Final OA Ford Global Technologies, LLC
18232597 SOLID OXIDE CELL STACK Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18211996 TIRE Final Rejection SUMITOMO RUBBER INDUSTRIES, LTD.
17754987 TIRE Non-Final OA Sumitomo Rubber Industries, Ltd.
18170983 POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, AND LITHIUM-ION BATTERY Final Rejection PRIME PLANET ENERGY & SOLUTIONS, INC.
18194684 NEGATIVE ELECTRODE AND ZINC SECONDARY BATTERY Non-Final OA NGK INSULATORS, LTD.
18553692 TIRE Non-Final OA The Yokohama Rubber Co., LTD.
16757352 Pneumatic Tire Non-Final OA The Yokohama Rubber Co., LTD.
18692640 ELECTRODE CATALYST FOR HYDROGEN FUEL CELL ANODES Non-Final OA CATALER CORPORATION

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