Prosecution Insights
Last updated: October 02, 2026

Examiner: SUN, PINPING

Tech Center 2800 • Art Units: 2685 2800 2833 2834 2836 2838 2843 2849 2872

This examiner grants 75% of resolved cases

Analysis

Pinping Sun serves as a patent examiner in Tech Center 2800, working within Art Unit 2685. The examiner has reached a resolution in 468 cases. The allowance rate for these cases is 74.8 percent. This 74.8 percent rate provides a measure of how often applications are granted. Practitioners can use this data to evaluate the probability of a favorable outcome when an application is assigned to this examiner.

The record shows an interview lift of 38.6 percent. This positive 38.6 percent lift indicates that applications involving an interview are more likely to be allowed than those that are not. This suggests that direct discussion with the examiner is a productive method for resolving issues. Practitioners should consider the 38.6 percent lift when deciding whether to request an interview during prosecution in Tech Center 2800.

The median days to allowance for this examiner is 1070. This 1070 figure represents the middle point of the time required to move from filing to a patent grant. With 468 resolved cases, this median offers a benchmark for the duration of the prosecution process. These figures assist in managing expectations for both the timing and the results of applications in Art Unit 2685.

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

Performance Statistics

74.8%
Allow Rate
+6.8% vs TC avg
482
Total Applications
+38.6%
Interview Lift
1070
Avg Prosecution Days
Based on 468 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
14.7%
§102 Novelty
58.4%
§103 Obviousness
20.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18056901 POWER SUPPLY SYSTEM, SERVER, AND POWER BALANCING METHOD Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18659574 MOTOR VEHICLE WITH RELEASABLE ELECTRIC CHARGING PORT Non-Final OA FERRARI S.P.A.
18489694 CHARGING CONTROL METHOD, AND CHARGING CONTROL DEVICE AND BATTERY PACK PERFORMING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18423445 BATTERY PACK MAINTENANCE AND CHARGING Non-Final OA Medtronic, Inc.
17875419 HEAD-MOUNTED DISPLAY DEVICE AND EYE TRACKING MODULE Non-Final OA HTC Corporation
17639339 THERMAL RADIATION LENS Non-Final OA National University Corporation Tokyo University of Agriculture and Technology

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