Prosecution Insights
Last updated: October 26, 2026

Michael A Keller, USPTO Patent Examiner

Listed by the USPTO as KELLER, MICHAEL A

Tech Center 2400 • Art Units: 2400 2411 2412 2417 2418 2446 2469 2472

This examiner grants 87% of resolved cases

Analysis

KELLER, MICHAEL A is a USPTO patent examiner in tech center 2400 and art unit 2400. The profile covers 712 resolved cases, with an allowance rate of 86.7% and a median of 883 days to allowance. The interview lift is 16.1%, suggesting that interviews can support prosecution but are not the dominant measurable feature of the record.

Samsung Electronics Co., Ltd., Apple Inc., and Nippon Telegraph and Telephone Corporation are the leading companies. The leading firms are FOLEY & LARDNER LLP, AMPACC Law Group, PLLC, and APPLE INC. - Fletcher. Applicants may benefit from concise written explanations supported by technically precise amendments, with interviews used to confirm the examiner's understanding of the claimed subject matter and to address remaining issues efficiently.

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

Performance Statistics

86.7%
Allow Rate
+28.7% vs TC avg
750
Total Applications
+16.1%
Interview Lift
883
Avg Prosecution Days
Based on 712 resolved cases, 2023–2026

Rejection Statute Breakdown

9.9%
§101 Eligibility
10.2%
§102 Novelty
61.5%
§103 Obviousness
7.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18853935 Demodulation Reference Signal in a Communication Network Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18834500 METHODS AND APPARATUSES FOR REPORTING L2 ID OF UE, COMPUTER-READABLE STORAGE MEDIUM AND COMPUTER PROGRAM PRODUCT Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18800529 METHOD AND APPARATUS FOR MANAGING CONTROL PLANE CONFIGURATION IN WIRELESS COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18757229 TRANSMISSION WINDOWS FOR PEER-TO-PEER COMMUNICATIONS Final Rejection Samsung Electronics Co., Ltd.
18589102 GNSS AND SATELLITE COMMUNICATION COEXISTENCE Non-Final OA Apple Inc.
18703055 MANAGING CONFIGURATIONS FOR MULTICAST AND UNICAST COMMUNICATIONS Final Rejection GOOGLE LLC
18801940 COMMUNICATION METHOD, CORE NETWORK NODE, AND WIRELESS DEVICE Non-Final OA NEC Corporation
18799724 SYSTEMS AND METHODS FOR ROBUST BEAMFORMING USING A RECONFIGURABLE INTELLIGENT SURFACE IN COMMUNICATION SYSTEMS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18827017 METHOD FOR MANAGING THE PROCESSING OF A VIDEO STREAM IN A LOCAL AREA NETWORK Non-Final OA ORANGE
18873091 TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION Non-Final OA NTT DOCOMO, INC.
18873011 RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND COMMUNICATION QUALITY PRESENTATION METHOD Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
18685156 TRANSMISSIONS WITHOUT CORRESPONDING GRANTS FOR EXTENDED REALITY SERVICE Final Rejection Lenovo (Singapore) Pte. Ltd.
18766491 METHOD AND SYSTEM FOR DETERMINING POTENTIAL ERROR SOURCE FOR TWO-SIDED MODELS Non-Final OA Lenovo (Singapore) Pte Limited
18843645 METHOD AND APPARATUS FOR TRANSMITTING WAKE UP SIGNAL, AND DEVICE AND READABLE STORAGE MEDIUM Non-Final OA BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18920569 METHODS FOR AI/ML-BASED DRX PATTERN CONFIGURATION FOR WTRU POWER SAVING Non-Final OA InterDigital Patent Holdings, Inc.
18285172 MODEL-BASED DETERMINATION OF FEEDBACK INFORMATION CONCERNING THE CHANNEL STATE Non-Final OA InterDigital Patent Holdings, Inc.
18685705 DYNAMIC ADJUSTMENT OF DISCONTINUOUS RECEPTION OPERATION FOR DOWNLINK VIDEO TRAFFIC Non-Final OA Nokia Technologies Oy
18966356 METHODS, DEVICES, AND SYSTEMS FOR SCHEDULING GAP COORDINATION Non-Final OA ZTE Corporation
18931520 APPARATUS AND METHODS FOR MITIGATING ANTENNA PUNCTURING ARISING FROM SOUNDING REFERENCE SIGNALING Non-Final OA Skyworks Solutions, Inc.
18823876 SYSTEMS AND METHODS TO ADDRESS CALL FAILURES IN 5G NETWORKS DUE TO QOS FLOW DESCRIPTION Non-Final OA Cisco Technology, Inc.
18496423 SYSTEMS AND METHODS FOR CAPABILITY SIGNALING FOR MAXIMUM SENSITIVITY DEGRADATION PERFORMANCE Non-Final OA Meta Platforms Technologies, LLC
18527486 METHOD FOR CONNECTING A WIRELESS SENSOR TO A GATEWAY AND ASSOCIATED NETWORK Final Rejection Aktiebolaget SKF

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Frequently Asked Questions

What is examiner Michael A Keller's allowance rate?

86.7% of resolved applications examined by Michael A Keller were allowed (712 resolved cases), compared with 49.8% across Art Unit 2400 over the last five years.

Does an interview help with examiner Michael A Keller?

This examiner's interview lift is +16.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael A Keller take to allow a patent?

Applications allowed by Michael A Keller took 883 days on average from filing to allowance.

Which art unit does examiner Michael A Keller work in?

Michael A Keller examines applications in Art Unit 2400 in Tech Center 2400 (Networking & Security).

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