Prosecution Insights
Last updated: October 02, 2026

Examiner: BERHANU, SAMUEL

Tech Center 2800 • Art Units: 1751 2838 2858 2859

This examiner grants 73% of resolved cases

Analysis

Samuel Berhanu is an examiner in Tech Center 2800, specifically within Art Unit 1751, with 1072 resolved cases. The examiner maintains an allowance rate of 73.3 percent, which provides a baseline for applicants. This 73.3 percent figure indicates the probability of securing a patent grant on this docket. Understanding this rate is essential for setting expectations during the prosecution phase. The 1072 resolved cases provide a robust statistical foundation.

The interview lift is 14.2 percent, which is a positive indicator for the effectiveness of oral advocacy. This 14.2 percent lift suggests that an interview can improve the chances of allowance compared to the 73.3 percent baseline. Practitioners should view the interview as a strategy for resolving issues on this docket. The median days to allowance is 1105, representing the typical duration for applications that reach a grant. This 1105 median days to allowance helps define the expected timeline for prosecution.

The data in Art Unit 1751 shows that the interview lift is 14.2 percent, offering a clear roadmap for success. The 1105 median days to allowance helps set expectations for the overall timeline in Tech Center 2800. The 73.3 percent allowance rate remains a key metric for evaluating the likelihood of a grant. These metrics emphasize the importance of proactive engagement with the examiner to achieve a positive outcome.

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

Performance Statistics

73.3%
Allow Rate
+5.3% vs TC avg
1,084
Total Applications
+14.2%
Interview Lift
1105
Avg Prosecution Days
Based on 1072 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
18.9%
§102 Novelty
61.3%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18213146 CASE FOR PORTABLE ELECTRONIC DEVICES Final Rejection Apple Inc.
18420480 POWER SUPPLY APPARATUS AND METHOD FOR CONTROLLING POWER SUPPLY APPARATUS Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18601347 PORTABLE POWER SUPPLY DEVICE AND POWER TOOL SYSTEM Non-Final OA Nanjing Chervon Industry Co., Ltd.
18542150 Active Mitigation of Degradation in Battery Packs Non-Final OA ZEBRA TECHNOLOGIES CORPORATION
18456118 CONTROL STRATEGY FOR A DISTRIBUTED SYSTEM OF DCDC CONVERTERS Non-Final OA Volvo Car Corporation
18503707 METHOD OF PERFORMING A CHARGING OPERATION OF AN ELECTRICAL ENERGY STORAGE SYSTEM Non-Final OA 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
18393694 METHOD FOR CONTROLLING LITHIUM SECONDARY BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18376210 BATTERY CHARGING DEVICE Non-Final OA KIA CORPORATION
18579502 WIRELESS POWER TRANSFER SYSTEM Non-Final OA Mitsubishi Electric Corporation
18441385 PORTABLE CHARGER WITHOUT A BATTERY FOR WEARABLE DEVICES Non-Final OA Oura Health Oy
18551315 POWER SOURCE DEVICE AND ELECTRONIC APPARATUS Non-Final OA SONY GROUP CORPORATION
18525043 CHARGING CONTROL SYSTEM OF A CHARGING UNIT FOR BATTERY PACKS Non-Final OA Caterpillar Inc.
18392167 CIRCUIT FOR DISCHARGING A CAPACITOR USING POWER TRANSISTORS OPERATING IN NON-LINEAR MODE Non-Final OA Infineon Technologies AG
18623023 CHARGING CONTROL METHOD AND APPARATUS, AND VEHICLE AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA BYD COMPANY LIMITED
18462344 INTELLIGENT DUO-C ADAPTER POWER MANAGEMENT WITH STREAMLINED ARCHITECTURE DESIGN Non-Final OA DELL PRODUCTS L.P.
18502053 POWER SUPPLY UNIT FOR AEROSOL GENERATING DEVICE Non-Final OA Japan Tobacco Inc.
18502027 POWER SUPPLY UNIT FOR AEROSOL GENERATION DEVICE Non-Final OA Japan Tobacco Inc.
18589870 SEMICONDUCTOR-BASED FUSE FOR THE SAFE DISCONNECTING OF A CHARGING-CURRENT PATH Non-Final OA Lisa Dräxlmaier GmbH
18569472 CHARGING DEVICE FOR AEROSOL GENERATING DEVICE AND CHARGING SYSTEM COMPRISING THE SAME Non-Final OA KT&G CORPORATION
18275441 MODULAR BATTERY STORAGE SYSTEM WITH RECHARGEABLE ENERGY STORAGE MODULES, AND METHOD FOR OPERATING THE BATTERY STORAGE SYSTEM Non-Final OA VARTA Microbattery GmbH

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