Crestwood I-A LLC v. Sonos, Inc. - 2:26-cv-05476

Crestwood I-A LLC v. Sonos, Inc. (Case No. 2:26-cv-05476), filed on May 21, 2026 in the District Court, C.D. California involving patent infringement. This case involves patent infringement claims between the parties. Explore details about the litigants, key filings, and major docket updates.

Case Details

Case Number
2:26-cv-05476
Filing Date
May 21, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, C.D. California
Nature of Suit
Patent

Parties Involved

The following parties are involved in this case, with their respective legal representatives for the case.

NameRepresented By
Crestwood I-A LLC -
Sonos, Inc. -

Patents Involved

Patents not found - set an alert to get notified when patents are added.

Docket Entries

The Docket Entries section provides a chronological list of all significant filings and court actions in this case.

DateDocket EntryType

Set alerts for critical docket entry

May 21, 2026REPORT ON THE FILING OF AN ACTION Regarding a Patent or a Trademark (Initial Notification) filed by Crestwood I-A LLC. (Berkowitz, Matthew) (Entered: 05/21/2026)PACER Document
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment
May 21, 2026COMPLAINT Receipt No: ACACDC-42342229 - Fee: $405, filed by Plaintiff Crestwood I-A LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14, # 15 Exhibit 15, # 16 Exhibit 16, # 17 Exhibit 17, # 18 Exhibit 18, # 19 Exhibit 19) (Attorney Matthew G Berkowitz added to party Crestwood I-A LLC(pty:pla))(Berkowitz, Matthew) (Entered: 05/21/2026)Attachment