Prosecution Insights
Last updated: October 26, 2026

David M Kayal, USPTO Patent Examiner

Listed by the USPTO as KAYAL, DAVID M

Tech Center 2400 • Art Units: 2464

This examiner grants 85% of resolved cases

Analysis

David M. Kayal is assigned to tech center 2400 and art unit 2464, with 60 resolved cases. The allowance rate is 85.0%, and the median time to allowance is 1115 days. Interview lift is 26.5%, showing a favorable association between interviews and allowance outcomes, although the resolved-case record is limited.

The principal companies are Qualcomm Incorporated, Telefonaktiebolaget LM Ericsson, and NEC Corporation. The principal firms are Bryan Cave Leighton Paisner LLP (DC), FOLEY & LARDNER LLP, and HAMILTON, BROOK, SMITH & REYNOLDS, P.C. Practitioners may use interviews to reinforce a generally favorable prosecution position while recognizing the modest record size.

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

Performance Statistics

85.0%
Allow Rate
+27.0% vs TC avg
91
Total Applications
+26.5%
Interview Lift
1115
Avg Prosecution Days
Based on 60 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
24.3%
§102 Novelty
63.0%
§103 Obviousness
8.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17995169 FIRST MESSAGE DIFFERENTIATION IN CFRA PROCEDURE Final Rejection Telefonaktiebolaget LM Ericsson (publ)
17915552 HANDLING OF CONDITIONAL RECONFIGURATION DELAY Final Rejection Telefonaktiebolaget LM Ericsson (publ)
17487644 MEASUREMENT FOR WIRELESS COMMUNICATION NETWORK Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18694731 OPERATION METHOD AND DEVICE RELATED TO SIDELINK DRX AND INITIAL TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM Final Rejection LG ELECTRONICS INC.
18790971 METHOD AND APPARATUS FOR MULTI-USER SPATIAL MULTIPLEXING SCHEDULING IN WIRELESS COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18040068 METHOD, DEVICE AND COMPUTER READABLE MEDIUM OF COMMUNICATION Final Rejection NEC CORPORATION
17928088 DATA COLLECTION METHOD, SENSOR DEVICE, SERVER DEVICE, VISUALIZATION SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM Final Rejection NEC Corporation
18921143 INFORMATION TRANSMISSION METHOD AND APPARATUS Non-Final OA Huawei Technologies Co., Ltd.
18824803 INDICATION OF A PRESENCE OF A FIRST FRAME VIA A FIELD IN A SECOND FRAME Non-Final OA QUALCOMM Incorporated
18833803 TECHNIQUES FOR DETECTING HIGH MOBILITY AND ENHANCING MODEM PERFORMANCE Non-Final OA QUALCOMM INCORPORATED
18716726 NETWORK ASSISTED INFORMATION Final Rejection QUALCOMM Incorporated
17634902 TERMINAL Non-Final OA NTT DOCOMO, INC.
17791995 Methods and Apparatuses for Sounding Reference Signal Configuration and Triggering in a Wireless Communications Network Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18701425 METHOD AND APPARATUS FOR WIRELESS COMMUNICATION Final Rejection LENOVO (BEIJING) LIMITED
18455871 MULTIMODAL WIRELESS AND DETERMINISTIC MODE OPERATION Final Rejection Cisco Technology, Inc.
18767589 SYSTEMS AND METHODS FOR LATENCY REDUCTION Non-Final OA Meta Platforms Technologies, LLC
17401702 DEVICES AND METHODS FOR PARALLEL PROVISIONING OF NODE NETWORKS Final Rejection STMicroelectronics International N.V.

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Frequently Asked Questions

What is examiner David M Kayal's allowance rate?

85.0% of resolved applications examined by David M Kayal were allowed (60 resolved cases), compared with 77.1% across Art Unit 2464 over the last five years.

Does an interview help with examiner David M Kayal?

This examiner's interview lift is +26.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David M Kayal take to allow a patent?

Applications allowed by David M Kayal took 1,115 days on average from filing to allowance.

Which art unit does examiner David M Kayal work in?

David M Kayal examines applications in Art Unit 2464 in Tech Center 2400 (Networking & Security).

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