Prosecution Insights
Last updated: October 26, 2026

Samuel Berhanu, USPTO Patent Examiner

Listed by the USPTO as BERHANU, SAMUEL

Tech Center 2800 • Art Units: 1751 2838 2858 2859

This examiner grants 73% of resolved cases

Performance Statistics

73.3%
Allow Rate
+5.3% vs TC avg
1,116
Total Applications
+14.2%
Interview Lift
1105
Avg Prosecution Days
Based on 1080 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
19.0%
§102 Novelty
61.0%
§103 Obviousness
12.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18213146 CASE FOR PORTABLE ELECTRONIC DEVICES Final Rejection Apple Inc.
18503707 METHOD OF PERFORMING A CHARGING OPERATION OF AN ELECTRICAL ENERGY STORAGE SYSTEM Final Rejection Robert Bosch GmbH
18257225 Removable Battery Pack Comprising at least one Switching Element for Interrupting or Enabling a Charging or Discharging Current Non-Final OA Robert Bosch GmbH
18551315 POWER SOURCE DEVICE AND ELECTRONIC APPARATUS Non-Final OA SONY GROUP CORPORATION
18420480 POWER SUPPLY APPARATUS AND METHOD FOR CONTROLLING POWER SUPPLY APPARATUS Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18703120 BATTERY PROTECTING DEVICE AND METHOD Non-Final OA LG ENERGY SOLUTION, LTD.
18579690 SYSTEM AND METHOD FOR CHARGING CONTROL BETWEEN BATTERY PACKS Non-Final OA LG ENERGY SOLUTION, LTD.
18393694 METHOD FOR CONTROLLING LITHIUM SECONDARY BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18700018 METHOD FOR CHARGING A RECHARGEABLE BATTERY OF A MOBILE POWER TOOL, AND CHARGING APPARATUS Non-Final OA Hilti Aktiengesellschaft
18579502 WIRELESS POWER TRANSFER SYSTEM Non-Final OA Mitsubishi Electric Corporation
18525043 CHARGING CONTROL SYSTEM OF A CHARGING UNIT FOR BATTERY PACKS Non-Final OA Caterpillar Inc.
18649858 METHOD FOR BIDIRECTIONAL ENERGY EXCHANGE BETWEEN AN ELECTRIC VEHICLE AND A CHARGING STATION, AND ARRANGEMENT Non-Final OA Volkswagen Aktiengesellschaft
18623023 CHARGING CONTROL METHOD AND APPARATUS, AND VEHICLE AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA BYD COMPANY LIMITED
18589870 SEMICONDUCTOR-BASED FUSE FOR THE SAFE DISCONNECTING OF A CHARGING-CURRENT PATH Non-Final OA Lisa Dräxlmaier GmbH
18597641 DISTRIBUTED POWER AND ENERGY STORAGE SYSTEM Non-Final OA VIRV, LLC

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Frequently Asked Questions

What is examiner Samuel Berhanu's allowance rate?

73.3% of resolved applications examined by Samuel Berhanu were allowed (1,080 resolved cases), compared with 62.1% across Art Unit 1751 over the last five years.

Does an interview help with examiner Samuel Berhanu?

This examiner's interview lift is +14.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Samuel Berhanu take to allow a patent?

Applications allowed by Samuel Berhanu took 1,105 days on average from filing to allowance.

Which art unit does examiner Samuel Berhanu work in?

Samuel Berhanu examines applications in Art Unit 1751 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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