Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, CHAE S

Tech Center 4100 • Art Units: 2415 2417 2465 2469 4100

This examiner grants 88% of resolved cases

Analysis

Chae S. Lee is an examiner in Art Unit 2415, within Tech Center 4100. He has 387 resolved cases, providing a clear view of his examination tendencies. The allowance rate for this examiner is 87.6 percent, which is a high and favorable figure for patent applicants. The interview lift is 13.1 percent, suggesting that direct communication can provide a meaningful boost to the probability of allowance. This 13.1 percent lift is a useful strategic tool for practitioners to consider during prosecution.

The median time to allowance is 932 days, which is under the three-year mark and indicates an efficient process. This 932-day timeline, paired with the 87.6 percent allowance rate, offers a clear and predictable path for patent applicants. The 13.1 percent interview lift indicates that the examiner is receptive to oral advocacy and that such interactions often lead to positive outcomes. With 387 resolved cases, these trends are well-established and reliable. Practitioners should use the lift to resolve any potential issues early in the process. The 932-day median pendency remains a solid benchmark for managing client expectations. Overall, the data indicates that this examiner is both productive and receptive to patent applications.

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

Performance Statistics

87.6%
Allow Rate
+27.6% vs TC avg
400
Total Applications
+13.1%
Interview Lift
932
Avg Prosecution Days
Based on 387 resolved cases, 2023–2026

Rejection Statute Breakdown

4.9%
§101 Eligibility
2.9%
§102 Novelty
74.2%
§103 Obviousness
10.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18798121 METHOD AND DEVICE FOR TRANSMITTING UPLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
18792119 METHOD AND APPARATUS FOR NON-TERRESTRIAL NETWORK ACCESS MANAGEMENT Non-Final OA Samsung Electronics Co., Ltd.
18807499 Communications System with Single-Subscriber Device Switching Non-Final OA Apple Inc.
18703005 Multi-Slot PDCCH Monitoring With Slot Groups Final Rejection Apple Inc.
18882926 FULL-DUPLEX SELF-INTERFERENCE WEAKENING METHOD AND FULL-DUPLEX SELF-INTERFERENCE WEAKENING SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18710103 SIDELINK ASSISTANCE FOR COMMUNICATION BETWEEN A USER EQUIPMENT (UE) AND A NETWORK ENTITY Final Rejection QUALCOMM Incorporated
18609864 COEXISTENCE OF UWB AND OTHER TRANSMISSIONS Final Rejection QUALCOMM INCORPORATED
17709639 METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO IMPROVE BANDWIDTH FOR PACKET TIMESTAMPING Final Rejection Intel Corporation
18855775 TERMINAL AND COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
18897402 METHOD FOR INDICATING TIMING ADVANCE, TERMINAL DEVICE AND NETWORK DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18885021 LINK MEASUREMENTS FOR VEHICULAR DEVICE-TO-DEVICE LINKS Non-Final OA ZTE Corporation
18623240 METHOD FOR SLICE RESOURCE RELEASE Final Rejection ZTE CORPORATION
18800595 METHODS AND APPARATUSES FOR UPLINK TRANSMISSION MANAGEMENT Non-Final OA Hannibal IP LLC

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