Prosecution Insights
Last updated: October 26, 2026

Brian R Ohara, USPTO Patent Examiner

Listed by the USPTO as OHARA, BRIAN R

Tech Center 4100 • Art Units: 1724 3729 4100

This examiner grants 80% of resolved cases

Analysis

OHARA, BRIAN R has resolved 579 cases in Tech Center 4100 and Art Unit 1724. The allowance rate is 79.6%, the interview lift is 8.9%, and the median time to allowance is 1046 days. The overall allowance rate is much higher than the interview lift, so the broader docket outcome is more significant than the incremental interview association in this record.

The principal companies are Samsung SDI Co., Ltd., LG Energy Solution Ltd., and SK Inc. The leading firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Womble Bond Dickinson US LLP, and IP & T GROUP LLP. Practitioners can use these affiliations to contextualize the profile while planning around a favorable allowance record and a median timeline of 1046 days.

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

Performance Statistics

79.6%
Allow Rate
+19.6% vs TC avg
608
Total Applications
+8.9%
Interview Lift
1046
Avg Prosecution Days
Based on 579 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
20.0%
§102 Novelty
61.2%
§103 Obviousness
14.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18579849 COMPOSITION FOR CATHODE ACTIVE MATERIAL LAYER, AND LITHIUM SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18290432 BATTERY MODULE, BATTERY PACK INCLUDING THE BATTERY MODULE, AND ENERGY STORAGE SYSTEM AND VEHICLE INCLUDING THE BATTERY PACK Final Rejection LG ENERGY SOLUTION, LTD.
18271021 COMPOSITE NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, NEGATIVE ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
18492796 SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SAME Non-Final OA HONDA MOTOR CO., LTD.
18718739 COMPARTMENT FOR A DEVICE LIABLE TO GIVE OFF HEAT Non-Final OA VALEO SYSTEMES THERMIQUES
18626967 ELECTRODE PLATE, ELECTRODE ASSEMBLY AND MANUFACTURING METHOD AND APPARATUS THEREOF, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18512821 SYSTEMS AND METHODS OF ACCELERATING FUEL CELL START-UP AND WARM-UP TIMES Non-Final OA Caterpillar Inc.
18667914 RECHARGEABLE LITHIUM BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18666680 RECHARGEABLE LITHIUM BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18656478 CYLINDRICAL SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
18652682 RECHARGEABLE LITHIUM BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18642894 NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18677272 SOLID-STATE BATTERY Non-Final OA MURATA MANUFACTURING CO., LTD.
18291266 NON-AQUEOUS ELECTROLYTE LIQUID AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY CONTAINING THE SAME Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.

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Frequently Asked Questions

What is examiner Brian R Ohara's allowance rate?

79.6% of resolved applications examined by Brian R Ohara were allowed (579 resolved cases), compared with 63.2% across Art Unit 1724 over the last five years.

Does an interview help with examiner Brian R Ohara?

This examiner's interview lift is +8.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian R Ohara take to allow a patent?

Applications allowed by Brian R Ohara took 1,046 days on average from filing to allowance.

Which art unit does examiner Brian R Ohara work in?

Brian R Ohara examines applications in Art Unit 1724 in Tech Center 4100.

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