Prosecution Insights
Last updated: October 26, 2026

Mahbubul Bar Chowdhury, USPTO Patent Examiner

Listed by the USPTO as CHOWDHURY, MAHBUBUL BAR

Tech Center 4100 • Art Units: 2411 2472 2475 4100

This examiner grants 84% of resolved cases

Analysis

CHOWDHURY, MAHBUBUL BAR is assigned to Tech Center 4100 and Art Unit 2411. The profile reports 318 resolved cases, an 83.6% allowance rate, and a median of 865 days to allowance. Interview lift is 14.9%, indicating a positive association between interviews and allowance outcomes.

The leading companies are Qualcomm Incorporated, Nippon Telegraph and Telephone Corporation, and Samsung Electronics Co., Ltd. The principal firms are VOLPE KOENIG, AMPACC Law Group, PLLC, and APPLE INC. - Fletcher. The allowance record supports focused claim prosecution, while the median timing suggests that applicants should move promptly on examiner communications and interview opportunities.

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

Performance Statistics

83.6%
Allow Rate
+23.6% vs TC avg
355
Total Applications
+14.9%
Interview Lift
865
Avg Prosecution Days
Based on 318 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
19.4%
§102 Novelty
52.0%
§103 Obviousness
22.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18940163 HARQ Codebook for Radio Access Networks Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
19643111 METHOD AND DEVICE FOR REQUESTING FEEDBACK OF PORTION OF BAND FOR STA OPERATING ONLY IN 20/80/160 MHZ IN WIRELESS LAN SYSTEM Final Rejection LG ELECTRONICS INC.
18846091 METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA AND REFERENCE SIGNALS IN WIRELESS COMMUNICATION SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
18823199 METHOD AND TERMINAL FOR DETERMINING SIDELINK RESOURCES FOR SIDELINK SIGNALING TRANSMISSION Final Rejection Samsung Electronics Co., Ltd.
18708575 DEVICE AND METHOD FOR PROCESSING HYBRID AUTOMATIC REPEAT REQUEST (HARQ) ROUND TRIP TIME (RTT) TIMER IN SIDELINK DISCONTINUOUS RECEPTION (DRX) OPERATION IN WIRELESS COMMUNICATION SYSTEM Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17880617 DATA PLANE LAYER COMMUNICATION FOR USER EQUIPMENT GROUPS Final Rejection Apple Inc.
18941669 TERMINAL APPARATUS TO TRANSMIT HYBRID AUTOMATIC REPEAT REQUEST INFORMATION AND RELATED COMMUNICATION METHOD Non-Final OA Panasonic Intellectual Property Corporation of America
18702687 Connection setup for communication between a first and a second system component Final Rejection Hilti Aktiengesellschaft
18837841 SYSTEMATIC AND SEMI DETERMINISTIC MAPPING BETWEEN SYNCHRONIZATION SIGNAL BLOCK IDS AND PHYSICAL TRANSMISSION BEAMS FOR MORE EFFICIENT BEAM MANAGEMENT Non-Final OA QUALCOMM Incorporated
18653544 COMBINED DOWNLINK CONTROL INFORMATION AND DOWNLINK SHARED CHANNEL COMMUNICATED IN A SINGLE TIME RESOURCE Final Rejection QUALCOMM Incorporated
18842838 APPARATUS, SYSTEM, AND METHOD OF BEAMFORMING TRAINING OVER A MILLIMETERWAVE (MMWAVE) WIRELESS COMMUNICATION CHANNEL Non-Final OA INTEL CORPORATION
18090803 CHOOSING A CHANNEL FOR PROXIMITY SENSING IN A USER DEVICE Final Rejection INTEL CORPORATION
18271071 RF-BASED SENSING USING RSSI AND CSI Final Rejection SIGNIFY HOLDING B.V.
18559426 TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION Non-Final OA NTT DOCOMO, INC.
18282148 TERMINAL AND RADIO COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
18009762 RADIO COMMUNICATION SYSTEM PERFORMING RADIO COMMUNICATION BASED ON RESOURCE MAPPING PATTERN Non-Final OA NTT, Inc.
18040936 METHODS AND APPARATUS FOR PROVIDING ASSISTANT INFORMATION FOR UPLINK SCHEDULING Final Rejection LENOVO (BEIJING) LIMITED
18816622 WIRELESS ACCESS POINT DEPLOYMENT METHOD, APPARATUS, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
17916563 METHODS FOR POWER SAVING OF A USER EQUIPMENT, AND COMMUNICATION DEVICE Non-Final OA BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18217628 METHOD AND APPARATUS FOR MANAGING SEMI-DYNAMIC SUBBAND TRANSITION OPERATION Non-Final OA MEDIATEK INC.
18135725 METHODS AND APPARATUS TO SPEED UP DIRECT ACELL ACTIVATION Non-Final OA MediaTek INC.
18820234 TRANSMISSION METHOD AND APPARATUS, TERMINAL, AND STORAGE MEDIUM Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18653686 INFORMATION DETERMINING METHOD AND APPARATUS, TERMINAL, AND READABLE STORAGE MEDIUM Final Rejection VIVO MOBILE COMMUNICATION CO., LTD.
18749964 METHODS, DEVICES, AND SYSTEMS FOR MODIFYING CANDIDATE CELLS FOR L1/L2 BASED INTER-CELL MOBILITY Final Rejection ZTE Corporation
18921645 Motion-Aware and Load-Balanced Assisted Roaming Non-Final OA Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Mahbubul Bar Chowdhury's allowance rate?

83.6% of resolved applications examined by Mahbubul Bar Chowdhury were allowed (318 resolved cases), compared with 68.5% across Art Unit 2411 over the last five years.

Does an interview help with examiner Mahbubul Bar Chowdhury?

This examiner's interview lift is +14.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mahbubul Bar Chowdhury take to allow a patent?

Applications allowed by Mahbubul Bar Chowdhury took 865 days on average from filing to allowance.

Which art unit does examiner Mahbubul Bar Chowdhury work in?

Mahbubul Bar Chowdhury examines applications in Art Unit 2411 in Tech Center 4100.

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