Linkplay Technology Inc. et al. vs. Sonos, Inc.

Explore the PTAB proceeding IPR2025-00510 filed by Linkplay Technology Inc. et al. on 2025-02-05. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00510

Filing Date

2025-02-05

Accorded Filing Date

2025-02-05

Institution Decision Date

2025-07-31

Last Modified Date

2025-12-16

Proceeding Type

IPR

Termination Date

2025-07-31

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Linkplay Technology Inc. et al.

Represented By

Song, Jiayuet al

Patent Owner / Respondent

Sonos, Inc.

Represented By

Smith, Johnet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 16298515

Respondent Patent Number 10541883

External Links

Espacenet

Google Patents

Respondent Inventor Nicholas A.J. Millington et al

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

12 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name LS3 Sonos - Lee Sullivan Shea & Smith LLP

Customer Number 135176

Address 656 W. Randolph St., Floor 5W, Chicago, IL, 60661, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
49002	Mark Triplett	805-965-3001
57846	John Tolomei	206-370-1037
62967	Scott Miller	312-754-9646
65209	Betty Lee	617-225-2110
67558	Christopher Butts	312-913-2124
67894	Brandon Kennedy	312-754-9602
68534	Yean Nian Chen	312-935-2351
68541	Dennis Kapolnek	563-343-3058
71897	Marcus Browne	617-646-8524
72387	Zuha Irfan	312-754-8998
79333	Janey Rodriguez Garcia	201-951-2087
81817	Dallin Packard	312-754-9298

Proceeding Documents

101

Notice: refund approved NOTICE

2025-12-16 FILING PARTY: BOARD

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Petitioner's Request For Refund of Post-Institution Fee NOTICE

2025-08-29 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-07-31 FILING PARTY: BOARD

Download

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

2025-07-11 FILING PARTY: PETITIONER

Download

1050

EX1050 - Sonos v. Linkplay – D.I. 123 (Sonos’s Second Amended Complaint) Exhibit

2025-07-11 FILING PARTY: PETITIONER

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Linkplay Technology Inc. et al. vs. Sonos, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Linkplay Technology Inc. et al.

Represented By

Patent Owner / Respondent

Sonos, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request For Refund of Post-Institution Fee NOTICE

Director Discretionary Decision: Deny RESPONSE

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

EX1050 - Sonos v. Linkplay – D.I. 123 (Sonos’s Second Amended Complaint) Exhibit

Sonos's Preliminary Response POPR

EX1049 - Sonos v. Linkplay – D.I. 22 (Sonos’s Amended Complaint) Exhibit

EX1058 - Sonos v. Linkplay – D.I. 192 (Oral Order Setting Terms for Claim Construction Briefing) Exhibit

EX1057 - Federal Court Management Statistics, March 2025 (Delaware) Exhibit

EX1055 - Sonos, Inc. v. D&M Holdings – D.I. 423 (Order RE Case Narrowing) Exhibit

EX1060 - Ranjan claim construction order 6-12-24 in 23-cv-186 Exhibit

EX1056 - Federal Court Management Statistics, December 2024 (Delaware) Exhibit

EX1061 - Sonos v. Linkplay – D.I. 109 (Notice of Service of Sonos's Initial Infringement Contentions) Exhibit

EX1046 - Sonos v. Linkplay – D.I. 188 (Joint Claim Construction Chart) Exhibit

EX1051 - Law360: Stays Pending IPR In Del. District Courts Are Here To Stay Exhibit

EX1059 - Ranjan claim construction order 2-23-21 in 19-cv-1636 Exhibit

EX1063 - Jan. 6, 2025, Letter from C. Richter to A. Ramos RE: Sonos’s Infringement Contentions (Redacted) Exhibit

EX1047 - Lex Machina Search of Judge Ranjan’s patent cases Exhibit

EX1054 - Sonos, Inc. v. D&M Holdings – D.I. 416 (Letter Brief Regarding Case Narrowing) Exhibit

EX1062 - Dec. 2, 2024, Letter from A. Ramos to M. Boyea RE: Sonos’s Infringement Contentions (Redacted) Exhibit

EX1053 - DocketNavigator Statistics for Stays by Judge Andrews (retrieved July 8, 2025) Exhibit

EX1048 - Sonos v. Linkplay – D.I. 1 (Sonos’s Complaint) Exhibit

EX1052 - DocketNavigator Statistics for Stays in D. Del. (retrieved July 8, 2025) Exhibit

Ex. 2116 Exhibit

Ex. 2104 Exhibit

Ex. 2112 Exhibit

Ex. 2110 Exhibit

Ex. 2111 Exhibit

Ex. 2103 Exhibit

Ex. 2108 Exhibit

Ex. 2109 Exhibit

Ex. 2101 Exhibit

Ex. 2102 Exhibit

Ex. 2117 Exhibit

Ex. 2119 Exhibit

Ex. 2113 Exhibit

Ex. 2118 Exhibit

Ex. 2106 Exhibit

Ex. 2107 Exhibit

Ex. 2115 Exhibit

Ex. 2114 Exhibit

Ex. 2105 Exhibit

Sonos's Request For Discretionary Denial RESPONSE

Petitioner's Updated Exhibit List NOTICE

EX1041 - Correspondence with PO, dated May 5, 2025 Exhibit

NOTICE OF FILING DATE ACCORDED TO PETITION NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

EX1032 - IETF | Introduction Exhibit

EX1013 - Universal Serial Bus Specification 2.0 (2000) - Part 1 Exhibit

EX1004 - U.S. Patent App. Pub. No. US 2003/0212802 (“Rector”) Exhibit

EX1008 - IEEE Std 802.15.1™-2002 - Part 6 Exhibit

EX1010 - Infrared Data Association: Plug and Play Extensions v1.1 Exhibit

EX1017 - IEEE 802.3 Standard (2002) - Part 2 Exhibit

EX1008 - IEEE Std 802.15.1™-2002 - Part 4 Exhibit

EX1008 - IEEE Std 802.15.1™-2002 - Part 8 Exhibit

EX1003 - Declaration of Dr. Bruce Hartpence Exhibit

EX1008 - IEEE Std 802.15.1™-2002 - Part 5 Exhibit

EX1026 - RFC 793 Exhibit

Notice: Power of Attorney NOTICE

EX1009 - Specification of the Bluetooth System: Covered Core Package v1.2 Exhibit

EX1007 - U.S. Patent App. Pub. No. US 2002/0174243 (“Spurgat”) Exhibit

EX1017 - IEEE 802.3 Standard (2002) - Part 1 Exhibit

EX1027 - RFC 768 Exhibit

EX1008 - IEEE Std 802.15.1™-2002 - Part 9 Exhibit