Prosecution Insights
Last updated: October 02, 2026

Examiner: FOLLANSBEE, KEITH TRAN-DANH

Tech Center 3600 • Art Units: 2411 2414 3645

This examiner grants 61% of resolved cases

Analysis

Keith Tran-Danh Follansbee examines cases in Tech Center 3600 and Art Unit 2411, having handled 92 resolved cases to date. His allowance rate of 60.9 percent indicates a moderate level of success for applicants, where most cases eventually reach allowance. However, the prosecution timeline is substantial, with a median days to allowance of 1208. This suggests that while the probability of success is favorable, the process requires significant time and patience.

An interview lift of 15.7 percent suggests that verbal communication provides a helpful boost to the 60.9 percent baseline allowance rate. While not as transformative as in other units, an interview remains a viable tactic for resolving technical disagreements or clarifying claim scope. Practitioners should weigh the 1208-day median wait against the potential for an earlier resolution through direct examiner engagement. With 92 resolved cases as a baseline, these metrics offer a reliable guide for strategy in Art Unit 2411.

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

Performance Statistics

60.9%
Allow Rate
+8.9% vs TC avg
140
Total Applications
+15.7%
Interview Lift
1208
Avg Prosecution Days
Based on 92 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
15.8%
§102 Novelty
67.0%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18998646 OPERATION METHOD AND DEVICE FOR RECOVERY WHEN CONSISTENT SL LBT FAILURE OCCURS ON SL-U Non-Final OA LG ELECTRONICS INC.
18700492 METHOD AND APPARATUS FOR MANAGING RANDOM ACCESS RESOURCE PARTITIONS RELATED MULTIPLE FEATURES IN WIRELESS COMMUNICATION SYSTEM Final Rejection LG Electronics Inc.
18872387 METHOD AND APPARATUS FOR SELF-OPTIMIZATION OF RANDOM ACCESS CHANNEL IN WIRELESS COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17628129 PRIORITY DIFFERENTIATION OF SR TRANSMISSIONS WITH PERIODIC/SEMI-PERSISTENT CSI REPORT Non-Final OA SHARP KABUSHIKI KAISHA
18849161 CHANNEL STATE INFORMATION REPORTING FOR MULTIPLE CHANNEL MEASUREMENT RESOURCE GROUPS Non-Final OA QUALCOMM Incorporated
18708199 SWITCHING BETWEEN FLEXIBLE BANDWIDTH PARTS Final Rejection QUALCOMM Incorporated
17820136 CROSS SUB-BAND SCHEDULING IN A FULL-DUPLEX NETWORK Non-Final OA QUALCOMM Incorporated
17885172 NETWORK OPERATION TIME INTERVAL INDICATION Non-Final OA QUALCOMM Incorporated
17946092 Session Management for Processing Offload Final Rejection Ofinno, LLC
18381393 MOBILITY SERVICE SUPPORT METHOD AND MOBILITY SERVICE SUPPORT SYSTEM Non-Final OA KIA CORPORATION
18739647 USER EQUIPMENT AND WIRELESS COMMUNICATION METHOD FOR NEURAL NETWORK COMPUTATION Non-Final OA Acer Incorporated
18849185 ACTIVATION AND DEACTIVATION OF THE PATH IN MULTI-PATH SCENARIO Non-Final OA Lenovo (Beijing) Limited
18290949 MULTIPLE WAVEFORMS BASED QCL/TCI FRAMEWORK Final Rejection Lenovo (Singapore) Pte. Ltd.
18290970 TRANSMITTING A CHANNEL STATE INFORMATION REPORT Final Rejection Lenovo (Singapore) Pte. Ltd.
18860273 APPARATUS AND METHOD FOR LOGICAL CHANNEL PRIORITIZATION Non-Final OA Lenovo (Singapore) Pte Limited
18849168 SELECTING A NON-3GPP ACCESS NETWORK AND A COMMUNICATION NETWORK Non-Final OA Lenovo (Singapore) Pte. Limited
18283661 Methods, Apparatus and Computer-Readable Media Relating to Multicast Broadcast Services in a Communication Network Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18855170 TERMINAL, BASE STATION AND COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
18293775 WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION SYSTEM MANAGEMENT METHOD, WIRELESS COMMUNICATION DEVICE, AND CONTROL DEVICE Final Rejection NTT, Inc.
18508814 PROVIDING CONFIGURATION INFORMATION FOR TARGET CELLS Final Rejection Nokia Technologies Oy
18901493 FLEXIBLE CHANNEL STATE INFORMATION FRAMEWORK Non-Final OA InterDigital Patent Holdings, Inc.
18826378 UPLINK TRANSMISSION METHOD, TERMINAL, AND NETWORK SIDE DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18588553 DETECTION METHOD, APPARATUS, AND DEVICE Final Rejection VIVO MOBILE COMMUNICATION CO., LTD.
18643925 PEER-TO-PEER NETWORK WITH WI-FI EXTENDED SPECTRUM Final Rejection Cisco Technology, Inc.
17751312 ENABLING LOW-POWER COMMUNICATION BETWEEN A UE AND A NON-TERRESTRIAL NETWORK Final Rejection T-Mobile USA, Inc.
18301699 Signaling Service SID Transposition Capability in SRv6 Networks Non-Final OA Ciena Corporation
17962808 FILTERING ADVERTISING OF ROUTE ADVERTISEMENTS BASED ON VIRTUAL NETWORK IDENTIFIERS Final Rejection Arista Networks, Inc.
18102686 COMMON CONNECTION TRACKER ACROSS MULTIPLE LOGICAL SWITCHES Final Rejection VMware LLC
18437129 METHODS AND APPARATUS OF MAC PARTIAL RESET DURING INTRA-DU LTM Final Rejection MediaTek Singapore Pte. Ltd.
18644011 METHOD AND APPARATUS FOR RUNNING REORDERING TIMER BASED ON RECEIVED PDCP CONTROL PDU IN MOBILE WIRELESS COMMUNICATION SYSTEM Final Rejection Soenghun Kim

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