Status
Determination - Reexamination Ordered
Requester
Unknown
Requester Law Firm
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (19 events)
Apr 27, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Apr 14, 2026DOCKCase Docketed to Examiner in GAU
Apr 13, 2026MRXNReexamination Formalities Notice Mailed
Apr 13, 2026COMPApplication Is Now Complete
Apr 13, 2026MRXNReexamination Formalities Notice Mailed
Apr 10, 2026FTFIFITF set to NO - revise initial setting
Apr 10, 2026RXNREQFDNotice of reexamination request filing date
Apr 10, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 10, 2026RXNREQAUNotice of assignment of reexamination request
Apr 6, 2026PRXRParalegal Reexam Review Complete
Apr 3, 2026RXRLFReExam Litigation Found
Apr 3, 2026RXLITSRReexam Litigation Search Conducted
Apr 2, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 2, 2026RXOSUB.RReexamination requested by third party requester
Apr 2, 2026RXC/SRCertificate of Service
Apr 2, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 2, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Apr 2, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Apr 2, 2026WIDSInformation Disclosure Statement (IDS) Filed
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-01213IPR — Discretionary Denial
Petitioner
Google LLC
Petition Filed
Jul 8, 2025
Institution
Dec 1, 2025
Decision
Dec 1, 2025
Terminated
Dec 1, 2025
IPR2025-00510IPR — Discretionary Denial
Petitioner
Linkplay Technology Inc. et al.
Petition Filed
Feb 5, 2025
Institution
Jul 31, 2025
Decision
Jul 31, 2025
Terminated
Jul 31, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
Filed — ApprovedAug 5, 2019
Prosecution History
| Date | Code | Description |
|---|---|---|
| Aug 5, 2019 | P574 | PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED |
| Aug 5, 2019 | DIST | Terminal Disclaimer Filed |
Maintenance Fees
Grant
Jan 21, 2020
3.5-yr
Jul 21, 2023
Paid Jul 4, 2023
7.5-yr
Jul 21, 2027
11.5-yr
Jul 21, 2031
Expiry
Mar 11, 2039
Entity Status
Large Entity
Expires
Mar 11, 2039 (12.9 yr remaining)
Assignments
AssignmentReel/Frame: 049025/0553Recorded: Apr 29, 2019
From
PAUL V. HAINSWORTHInventor
Jul 25, 2005
NICHOLAS A.J. MILLINGTONInventor
Jul 25, 2005
→
To
SONOS, INC.
OtherReel/Frame: 058123/0206Recorded: Oct 15, 2021
From
SONOS, INC.
Oct 13, 2021
→
To
JPMORGAN CHASE BANK, N.A.