Prosecution Insights
Last updated: October 02, 2026

Examiner: WON, MICHAEL YOUNG

Tech Center 2400 • Art Units: 2155 2441 2443 2449 2455 2456 2491 2499

This examiner grants 80% of resolved cases

Analysis

Michael Young Won is an examiner in Tech Center 2400 and Art Unit 2155. He has 849 resolved cases with an allowance rate of 80.0 percent. This 80.0 percent rate suggests a favorable environment for applicants seeking patent grants. The median days to allowance of 1082 provides a timeline for the duration of the prosecution process for successful cases. Practitioners should use this timing metric to plan their patent strategy and manage expectations in Tech Center 2400.

The interview lift of 28.5 percent suggests that conducting an interview provides a significant increase in the probability of a grant. This 28.5 percent lift is a metric for practitioners deciding whether to engage in direct communication with the examiner to resolve rejections. With 849 resolved cases, the data reflects a consistent examination history. The median days to allowance of 1082 is a useful figure for managing the expected timeline of a patent application. Utilizing the interview process can be a helpful component for navigating Art Unit 2155.

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

Performance Statistics

80.0%
Allow Rate
+22.0% vs TC avg
884
Total Applications
+28.5%
Interview Lift
1082
Avg Prosecution Days
Based on 849 resolved cases, 2023–2026

Rejection Statute Breakdown

8.3%
§101 Eligibility
31.2%
§102 Novelty
48.2%
§103 Obviousness
8.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18931727 INFORMATION COMMUNICATION SYSTEM AND INFORMATION PROCESSING SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18883074 INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18991857 INVESTIGATION APPARATUS, COMMUNICATION SYSTEM, INVESTIGATION METHOD, AND PROGRAM Final Rejection NEC Corporation
19061173 COMMUNICATION METHOD, APPARATUS, AND DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19060254 BLOCKCHAIN CREATION METHOD AND RELATED APPARATUS Non-Final OA Huawei Technologies Co., Ltd.
18971767 NETWORK DEVICE, DEVICE COMMUNICATION METHOD, AND COMMUNICATION SYSTEM Final Rejection Huawei Technologies Co., Ltd.
18900394 TECHNIQUES FOR SAVING ROUTER POWER CONSUMPTION Non-Final OA Huawei Technologies Co., Ltd.
18628985 Threat Model Generation Systems Final Rejection Capital One Services, LLC
18443677 SYSTEMS AND METHODS FOR CLASSIFYING ENCRYPTED DATA USING AN ENCRYPTED MACHINE LEARNING MODEL Non-Final OA REGENTS OF THE UNIVERSITY OF MICHIGAN
19059160 SYSTEM AND METHOD FOR OPTIMIZING CONTENT DELIVERY Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18833625 ENABLEMENT OF COMMON APPLICATION PROGRAMMING INTERFACE FRAMEWORK INVOCATION BY USER EQUIPMENT APPLICATIONS Non-Final OA InterDigital Patent Holdings, Inc.
19020419 DIGITAL FINANCIAL MANAGEMENT HAVING CHAT SUPPORT PLATFORM WITH MULTIPLE VIRTUAL CHAT COMMUNICATION SESSIONS CONDUCTED IN PARALLEL Final Rejection Truist Bank
18751963 COMMUNICATION METHOD AND APPARATUS, COMMUNICATION DEVICE, AND READABLE STORAGE MEDIUM Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18886512 Media Playback System Control via Multiple Networks Final Rejection Sonos, Inc.
18464848 Multiple Media Playback Protocols for Synchronized Media Playback in Grouped Zones Non-Final OA Sonos, Inc.
19189518 LOG MANAGEMENT DEVICE, LOG MANAGEMENT SYSTEM, METHOD AND STORAGE MEDIUM THEREOF Non-Final OA DENSO CORPORATION
18488908 Homomorphic Vigilance on Communication Channels Non-Final OA Micron Technology, Inc.
19052808 SOFTWARE-AS-A-SERVICE PROBE AGGREGATION IN NETWORKS Final Rejection Cisco Technology, Inc.
18897330 TERMINAL-TRIGGERED DYNAMIC SLICE MODIFICATION Final Rejection T-Mobile USA, Inc.
19079166 OPEN RADIO ACCESS NETWORK (O-RAN) STANDARDIZED LOG MANAGEMENT SERVICES Final Rejection Boost SubscriberCo., L.L.C.
19024667 Systems and methods for intelligent machine learning-based malware detection Final Rejection Zscaler, Inc.
18042272 NETWORK SECURITY Non-Final OA ARM LIMITED
19087456 COMMUNICATION SYSTEM WITH TRUST LEVELS AND RELATED METHOD Non-Final OA GN Hearing A/S
18697043 MAINTENANCE DATA SANITIZATION Non-Final OA Schneider Electric USA, Inc.
18675389 System and Method for Streaming Content from Multiple Servers Final Rejection BRIGHT DATA LTD.
19064568 TRANSFERRING MESSAGING CONVERSATIONS BETWEEN USER ACCOUNTS USING A SOFTWARE AS A SERVICE PLATFORM Non-Final OA Twilio Inc.
18946271 SYSTEM AND METHOD FOR PROVIDING A MICRO-SERVICES COMMUNICATION PLATFORM Final Rejection Twilio Inc.
18475266 Cloud computer credential theft detection Non-Final OA PALO ALTO NETWORKS (ISRAEL ANALYTICS) LTD.
18791213 SYSTEM AND METHOD FOR IDENTIFICATION OF DEVICE UNDER TEST Non-Final OA BLANCCO TECHNOLOGY GROUP IP OY

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