Prosecution Insights
Last updated: October 02, 2026

Examiner: TSO, EDWARD H

Tech Center 2800 • Art Units: 2838 2858 2859

This examiner grants 87% of resolved cases

Analysis

Edward H Tso is an examiner in Art Unit 2838 with a high volume of 1299 resolved cases. The examiner has an allowance rate of 87.0 percent. The interview lift is 6.6 percent, showing a modest but positive impact on the probability of allowance when an interview occurs. This 6.6 percent lift suggests that even with a high baseline of success, verbal communication can still be a useful tool. Practitioners should consider the 87.0 percent allowance rate as a very favorable sign for applications in Tech Center 2800.

The median days to allowance is 819. This efficiency is notable given the large number of 1299 resolved cases. The 819-day median provides a clear benchmark for the expected duration of the prosecution process. With an 87.0 percent allowance rate, most applications reaching a final resolution under this examiner are successful. Practitioners can use these figures to plan a streamlined prosecution strategy. The 6.6 percent lift remains a helpful option for resolving any remaining issues in the application.

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

Performance Statistics

87.0%
Allow Rate
+19.0% vs TC avg
1,305
Total Applications
+6.6%
Interview Lift
819
Avg Prosecution Days
Based on 1299 resolved cases, 2023–2026

Rejection Statute Breakdown

6.2%
§101 Eligibility
27.6%
§102 Novelty
31.8%
§103 Obviousness
16.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18342065 RECONFIGURABLE BATTERY PACK Non-Final OA Apple Inc.
18396343 ELECTRICITY FEEDING CONTROL SERVER AND VEHICLE LENDING SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18381290 ELECTRIC VEHICLE CHARGE CONNECTOR Non-Final OA Black & Decker, Inc.
18545683 MOBILE POWER STATION Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18479309 BATTERY CHARGER Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18536682 ELECTRONIC DEVICE AND METHOD FOR CONTROLLING ELECTRONIC DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18536958 ADAPTIVE FAST CHARGING OF VEHICULAR BATTERIES Non-Final OA Volvo Car Corporation
18384718 BATTERY SYSTEM AND MONITORING METHOD OF BATTERY SYSTEM Non-Final OA SAMSUNG SDI CO., LTD.
18486041 BATTERY PACK Non-Final OA Samsung SDI Co., Ltd.
18427422 POWER SUPPLY CONTROL APPARATUS AND POWER SUPPLY APPARATUS Non-Final OA MURATA MANUFACTURING CO., LTD.
18291815 POWER RECEIVING APPARATUS, POWER SENDING APPARATUS, AND POWER TRANSMISSION METHOD Non-Final OA HONOR DEVICE CO., LTD.
18239997 CELL BALANCING USING AN EXTERNAL POWER SOURCE Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18308741 BATTERY MODULE MONITORING CIRCUIT INCLUDING REMOTE WIRELESS TRANSCEIVER Non-Final OA Gentherm GmbH
18486886 ELECTRICAL SYSTEM FOR DC VOLTAGE CONVERSION AND FOR CHARGING OF BATTERIES OF A VEHICLE Non-Final OA Valeo eAutomotive France SAS
18561212 CONNECTION DEVICE FOR AN ELECTRIC VEHICLE Non-Final OA Weidmüller Interface GmbH & Co. KG

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