Prosecution Insights
Last updated: October 02, 2026

Examiner: SUN, MICHAEL Y

Tech Center 2800 • Art Units: 1725 1726 1728 1757 2844

This examiner grants 57% of resolved cases

Analysis

Michael Y Sun is a patent examiner in Tech Center 2800, specifically within Art Unit 1726. The examiner has 544 resolved cases. These cases result in an allowance rate of 57.2 percent. This 57.2 percent figure represents the frequency of applications that reach issuance. Practitioners can use this rate to understand the historical probability of success for applications assigned to this examiner.

The data includes an interview lift of 27.1 percent. This positive value indicates that applications with an interview have a higher allowance rate than those without one. Because the lift is 27.1 percent, practitioners should consider how an interview affects the prosecution strategy. This metric suggests that verbal communication is associated with an increase in the likelihood of a grant for this examiner.

The median days to allowance for this examiner is 1086. This 1086 figure marks the middle point of the time from filing to patent issuance. With 544 resolved cases, this median provides a timeline for expected prosecution duration in Tech Center 2800. These statistics allow for data-grounded planning regarding both the outcome and the timing of patent applications in Art Unit 1726.

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

Performance Statistics

57.1%
Allow Rate
-10.9% vs TC avg
597
Total Applications
+26.5%
Interview Lift
1089
Avg Prosecution Days
Based on 545 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
13.7%
§102 Novelty
62.9%
§103 Obviousness
18.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18388365 LAMINATED BATTERY, BATTERY MODULE, AND METHOD OF MANUFACTURING LAMINATED BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19249536 PHOTOVOLTAIC POWER GENERATION SYSTEM Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19066984 THERMOELECTRIC CONVERSION ELEMENT Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19089947 SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SOLAR CELL MODULE Final Rejection Panasonic Holdings Corporation
18573070 THERMAL REGULATION DEVICE FOR ELECTRONIC SYSTEM Non-Final OA Valeo Systemes Thermiques
18573264 BATTERY PACK Non-Final OA LG ENERGY SOLUTION, LTD.
18289348 BATTERY PACK ASSEMBLY HAVING SHOCK ABSORPTION FUNCTION AND APPARATUS AND METHOD FOR MANUFACTURING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18279019 BATTERY ASSEMBLY HAVING IMPROVED SAFETY Final Rejection LG ENERGY SOLUTION, LTD.
17732790 LIGHT-RECEIVING DEVICE, LIGHT-EMITTING AND LIGHT-RECEIVING APPARATUS, AND ELECTRONIC DEVICE Final Rejection Semiconductor Energy Laboratory Co., Ltd.
18654354 NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Non-Final OA SAMSUNG SDI CO., LTD.
19253704 PREPARATION METHOD OF PEROVSKITE FILM LAYER, PEROVSKITE FILM LAYER, AND SOLAR CELL Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18315483 PEROVSKITE SOLAR BATTERY AND PHOTOVOLTAIC ASSEMBLY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17577823 POSITIVE ELECTRODE PLATE, AND LITHIUM-ION BATTERY AND APPARATUS RELATED THERETO Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19075024 METHOD FOR DETERMINING AN ORIENTATION OF A PHOTOVOLTAIC PANEL TO REDUCE THE DAMAGE CAUSED BY A HAIL EVENT Final Rejection TotalEnergies OneTech
18560554 HIGH TEMPERATURE INSULATION COMPOSITE Non-Final OA W. L. Gore & Associates, Inc.
19116186 THERMOELECTRIC CONVERSION ELEMENT AND SENSOR Final Rejection NITTO DENKO CORPORATION
19051155 PHOTOELECTRIC CONVERSION APPARATUS AND FLIGHT VEHICLE Non-Final OA SoftBank Corp.
18620055 ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited
17800905 POLYMER FILMS FOR PROTECTING METAL ELECTRODE AND RECHARGEABLE BATTERIES USING THE SAME Non-Final OA Jae Kwang KIM

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