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

Explore the PTAB proceeding IPR2025-00509 filed by Linkplay Technology Inc. et al. on 2025-02-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00509

Filing Date

2025-02-01

Accorded Filing Date

2025-02-01

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

Ye, Ganget al

Patent Owner / Respondent

Sonos, Inc.

Represented By

Pak, Jaeyounget al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 16166518

Respondent Patent Number 10853023

External Links

Espacenet

Google Patents

Respondent Inventor Nicholas A.J. Millington et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

25 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Akerman LLP / Sonos, Inc.

Customer Number 107361

Address 777 S. Flagler Drive, Suite 1100 West Tower, West Palm Beach, FL, 33401, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
31361	Stephen Glazier	202-824-1707
38174	Timothy Harney	331-444-0618
40764	Mark Passler	561-653-5000
49002	Mark Triplett	805-965-3001
51471	Brian Bianco	312-634-5700
52886	Alejandro Fernandez	800-489-9814
54603	Peter Chiabotti	561-653-5000
54967	Jeffrey Armstrong	312-634-5738
57846	John Tolomei	206-370-1037
58372	Edward Machado	312-913-2109
59368	Brian Goddard	847-905-7122
60424	Rebecca Brown-Steinhausler	+49-170-7373826
64542	Timothy Sendek	312-870-8007
65209	Betty Lee	617-225-2110
65509	John Schafer	312-870-8011
65800	Brice Dumais	561-653-5000
67556	Ryan Bello	206-359-6847
67558	Christopher Butts	312-913-2124
68534	Yean Nian Chen	312-935-2351
69545	Ryan Harding	561-273-5522
71897	Marcus Browne	617-646-8524
78531	J. Cortes	954-895-4477
79333	Janey Rodriguez Garcia	201-951-2087
79765	Christopher Fernandez	973-420-0858
82247	David Fernandez-Fidalgo	305-415-3073

Proceeding Documents

Notice: refund approved NOTICE

2025-12-16 FILING PARTY: BOARD

Download

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

Sonos's Preliminary Response POPR

2025-07-11 FILING PARTY: PATENT OWNER

Download

1054

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

2025-07-11 FILING PARTY: PETITIONER

Download

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

Sonos's Preliminary Response POPR

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ex. 2102 Exhibit

Ex. 2110 Exhibit

Ex. 2106 Exhibit

Ex. 2113 Exhibit

Ex. 2108 Exhibit

Ex. 2104 Exhibit

Ex. 2117 Exhibit

Ex. 2103 Exhibit

Ex. 2114 Exhibit

Ex. 2107 Exhibit

Ex. 2109 Exhibit

Sonos's Request for Discretionary Denial of Institution RESPONSE

Ex. 2101 Exhibit

Ex. 2116 Exhibit

Ex. 2111 Exhibit

Ex. 2115 Exhibit

Ex. 2118 Exhibit

Ex. 2105 Exhibit

Ex. 2112 Exhibit

Petitioner's Updated Exhibit List NOTICE

EX1024 - Correspondence with PO, dated May 5, 2025 Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

EX1003 - Declaration of Dr. Bruce Hartpence Exhibit

EX1002 - Prosecution History of the ’023 Patent Exhibit

EX1007 - U.S. Patent No. 8,938,312 Exhibit

EX1021 - Looking back at the ARPANET Effort (2003) Exhibit

EX1016 - Docket Sheet for Samsung v. Technical Consumer Products - DDE-1-23 Exhibit

EX1001 - U.S. Patent No. 10,853,023 (“the ’023 Patent”) Exhibit

EX1010 - Sonos v. Linkplay - D.I. 44 (Scheduling Order) Exhibit

EX1017 - Functional Requirements 6.8, IEEE Project 802 (1997) Exhibit

EX1015 - Docket Sheet for Rail Assets v. Westinghouse - WDPA-2-19-cv-01636 Exhibit

EX1011 - Sonos v. Linkplay - D.I. 121 (Joint Stipulation) Exhibit

EX1009 - iPod Touch Press Release (2007) Exhibit

EX1005 - U.S. Patent App. Pub. No. 2010/0325323 (“Barbe”) Exhibit

EX1020 - Bluetooth Core Specification 1.2 Exhibit

EX1018 - Universal Serial Bus Specification 2.0 (2000) (Excerpted) Exhibit

EX1008 - iPhone Press Release (2007) Exhibit

Petition: as filed PETITION

EX1013 - DocketNavigator Time to Trial Statistics Exhibit

EX1004 - U.S. Patent App. Pub. No. US2004/0157555 (“Richenstein”) Exhibit