Prosecution Insights
Last updated: October 02, 2026

Examiner: HAMMOND, KRISHNA R

Tech Center 4100 • Art Units: 1725 1728 4100

This examiner grants 62% of resolved cases

Analysis

Krishna R. Hammond is an examiner in Tech Center 4100, working within Art Unit 1725. With 79 resolved cases, there is a solid foundation for analyzing the examiner's tendencies. The allowance rate is 62.0 percent, which suggests that a majority of applications result in a patent grant. This 62.0 percent rate indicates a moderately favorable environment for applicants in Art Unit 1725, where persistent prosecution often leads to success.

The median days to allowance for this examiner is 1442, meaning that the path to a grant typically takes a considerable amount of time. This 1442-day timeline is an important factor for practitioners to consider when managing client expectations. The interview lift percentage is 14.9, showing that interviews provide a meaningful benefit. This 14.9 percent lift indicates that verbal discussion with the examiner is an effective way to increase the chances of an allowance. Given the 62.0 percent baseline allowance rate, the 14.9 percent lift suggests that many rejections can be overcome through direct dialogue. For those with cases in Tech Center 4100, the combination of a 1442-day median pendency and a 14.9 percent interview lift makes proactive communication a key component of a successful prosecution strategy.

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

Performance Statistics

62.0%
Allow Rate
+2.0% vs TC avg
128
Total Applications
+14.9%
Interview Lift
1442
Avg Prosecution Days
Based on 79 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
10.7%
§102 Novelty
77.5%
§103 Obviousness
11.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18732943 BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18485540 ALL-SOLID-STATE BATTERY SYSTEM, VEHICLE INCLUDING SAME, AND CONTROL METHOD FOR ALL-SOLID-STATE BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
17507541 BATTERY PACK Non-Final OA BLACK & DECKER, INC.
17396207 BATTERY PACK Non-Final OA Black & Decker Inc.
18467033 POSITIVE ELECTRODE, ELECTRODE GROUP, SECONDARY BATTERY, AND BATTERY PACK Non-Final OA KABUSHIKI KAISHA TOSHIBA
17989124 ALL-SOLID-STATE BATTERY AND METHOD FOR PRODUCING IT Non-Final OA Panasonic Holdings Corporation
18684948 METHOD FOR DRYING A FUEL CELL, AND FUEL CELL SYSTEM Non-Final OA Robert Bosch GmbH
18575000 Lithium Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18561067 ELECTRODE ASSEMBLY, BATTERY, AND BATTERY PACK AND VEHICLE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18025361 BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17925531 BATTERY MODULE AND BATTERY PACK COMPRISING SAME Final Rejection LG ENERGY SOLUTION, LTD.
17799743 BATTERY CELL JIG COMPRISING SPACER LAMINATE, APPARATUS COMPRISING SAME FOR MEASURING VOLUME OF BATTERY CELL, AND METHOD FOR MEASURING VOLUME OF BATTERY CELL USING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17414692 Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Including The Same Non-Final OA LG Energy Solution, Ltd.
18137499 BATTERY PACK Non-Final OA HYUNDAI MOBIS CO., LTD.
18642975 APPARATUS FOR MEASURING BATTERY TEMPERATURE Non-Final OA SAMSUNG SDI CO., LTD.
18485579 COMPOSITE CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY CONTAINING COMPOSITE CATHODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF Non-Final OA Samsung SDI Co., Ltd.
18471028 SECONDARY BATTERY Final Rejection Samsung SDI Co., Ltd.
18127573 BATTERY PACK, AN ELECTRIC VEHICLE AND A METHOD FOR ASSEMBLING A BATTERY PACK Final Rejection SAMSUNG SDI CO., LTD.
18348183 SOLID STATE BATTERY PACKAGE Final Rejection Murata Manufacturing Co., Ltd.
18203797 CURRENT COLLECTOR, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE BATTERY Non-Final OA KURARAY CO., LTD.
18155006 TRACTION BATTERY PACK VENTING ASSEMBLY AND METHOD OF ESTABLISHING A TRACTION BATTERY PACK VENT PATH Non-Final OA Ford Global Technologies, LLC
18510995 ELECTRODE STRUCTURE AND ITS MANUFACTURING METHOD AND BATTERY STRUCTURE INCLUDING THE SAME Non-Final OA National Cheng Kung University
18331673 ASSEMBLED MANIFOLD FOR THERMAL RUNAWAY VENT GAS TRANSPORT IN BATTERY SYSTEMS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18179414 SYSTEM AND METHOD FOR A BATTERY CELL WITH COMBINED STIFFENING AND GAS EXTRACTION Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
17996931 POLYMER ELECTROLYTE MEMBRANE, MANUFACTURING METHOD THEREFOR, AND ELECTROCHEMICAL DEVICE COMPRISING SAME Non-Final OA KOLON INDUSTRIES, INC.

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