Prosecution Insights
Last updated: October 26, 2026

Douglas B Blair, USPTO Patent Examiner

Listed by the USPTO as BLAIR, DOUGLAS B

Tech Center 2400 • Art Units: 2142 2400 2442 2454

This examiner grants 72% of resolved cases

Analysis

BLAIR, DOUGLAS B is assigned to Technology Center 2400 and art unit 2142. The record contains 647 resolved cases and shows a 72.5% allowance rate. Median time to allowance is 1435 days. Interview lift is 7.9%, indicating a positive but limited association between interviews and allowance outcomes in the available data.

The listed companies are Qualcomm Incorporated, Huawei Technologies Co., Ltd., and Telefonaktiebolaget LM Ericsson. The listed firms are Harrity & Harrity, LLP \ Qualcomm, SCHWEGMAN LUNDBERG & WOESSNER, P.A., and BANNER & WITCOFF, LTD. The substantial case volume makes the profile useful for prosecution planning, although the median timing supports preparing for a lengthy path to allowance.

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

Performance Statistics

72.5%
Allow Rate
+14.5% vs TC avg
705
Total Applications
+7.9%
Interview Lift
1435
Avg Prosecution Days
Based on 647 resolved cases, 2023–2026

Rejection Statute Breakdown

10.5%
§101 Eligibility
21.5%
§102 Novelty
34.1%
§103 Obviousness
27.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18554020 APPROACHES FOR MULTI-LINK COMMUNICATION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18284454 System Information Indicating a Type Parameter Associated with a Group Identity Final Rejection Telefonaktiebolaget LM Ericsson (publ)
17910604 Puncturing Pattern Based Control of OFDM Transmissions Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18862488 METHOD AND APPARATUS FOR UPDATING NETWORK SUPPORT FOR IMS DC CAPABILITY TO UE AFTER INITIAL REGISTRATION IN A WIRELESS COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18553962 METHOD AND SYSTEM FOR PROVIDING WIRELESS COMMUNICATION NETWORK ASSURANCE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17372586 METHOD AND DEVICE FOR TRANSMITTING DATA Non-Final OA Robert Bosch GmbH
18782882 COMMUNICATION CONTROL SYSTEM AND COMMUNICATION CONTROL METHOD Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18729620 METHOD, DEVICE AND COMPUTER STORAGE MEDIUM OF COMMUNICATION Non-Final OA NEC CORPORATION
18819234 CHANNEL SWITCHING METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18696541 DEVICE CONTROL METHOD, RELATED APPARATUS, AND COMMUNICATION SYSTEM Final Rejection Huawei Technologies Co., Ltd.
18499876 DATA TRANSMISSION CONTROLLERS AND METHODS TO GENERATE DATA TRANSMISSION PACKETS ACCORDING TO MODIFIED QUIC PROTOCOL Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18284748 SIDELINK DISCONTINUOUS RECEPTION PROCEDURES Final Rejection KONINKLIJKE PHILIPS N.V.
18837989 CHANNEL STATE INFORMATION REPORT CONFIGURATION FOR MULTIPLE TRANSMIT RECEIVE POINTS Non-Final OA QUALCOMM INCORPORATED
18836181 INDICATION OF SIMULTANEOUS UPLINK TRANSMISSION FOR MULTIPLE TRANSMIT RECEIVE POINTS Non-Final OA QUALCOMM Incorporated
18836190 TECHNIQUES FOR RESUMING SUSPENDED TRANSMIT SWITCHING Non-Final OA QUALCOMM Incorporated
18553838 ENERGY DETECTION THRESHOLD ADJUSTMENT BASED ON SENSING AND TRANSMISSION BEAMS Final Rejection QUALCOMM Incorporated
17935653 TECHNIQUES FOR ENERGY ALLOCATION Final Rejection QUALCOMM Incorporated
17806071 DISCONTINUOUS RECEPTION METHODOLOGY FOR MULTIMEDIA Non-Final OA QUALCOMM Incorporated
18475460 Method and device for controlling a local area network Final Rejection ORANGE
18547860 METHOD FOR CONTROLLING A SLAVE CLUSTER OF NODES BY A MASTER CLUSTER OF NODES, CORRESPONDING DEVICES AND COMPUTER PROGRAMS Final Rejection Orange
18255317 MAC CE BASED BEAM FAILURE RECOVERY IN MULTIPLE TRP SCENARIO Final Rejection Lenovo (Beijing) Limited
17910956 METHOD AND APPARATUS FOR SMALL DATA TRANSMISSION Non-Final OA Lenovo (Beijing) Ltd.
18877561 USER EQUIPMENTS AND METHODS FOR DETERMINING TIME-FREQUENCY RESOURCE SET FOR ENHANCED DUPLEX OPERATION Non-Final OA SHARP KABUSHIKI KAISHA
18874222 TERMINAL APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION METHOD Non-Final OA SHARP KABUSHIKI KAISHA
18798628 ENHANCEMENT TO TCI STATE TIMER OPERATION FOR LTM Non-Final OA Nokia Technologies Oy
18178202 SYSTEM AND METHOD FOR BEAM FAILURE RECOVERY Non-Final OA ZTE CORPORATION
17976717 METHODS FOR RESILIENT MULTI CLOUD GATEWAY INTERCONNECTS Final Rejection VeloCloud Networks, LLC

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Frequently Asked Questions

What is examiner Douglas B Blair's allowance rate?

72.5% of resolved applications examined by Douglas B Blair were allowed (647 resolved cases), compared with 23.4% across Art Unit 2142 over the last five years.

Does an interview help with examiner Douglas B Blair?

This examiner's interview lift is +7.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Douglas B Blair take to allow a patent?

Applications allowed by Douglas B Blair took 1,435 days on average from filing to allowance.

Which art unit does examiner Douglas B Blair work in?

Douglas B Blair examines applications in Art Unit 2142 in Tech Center 2400 (Networking & Security).

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