The weekly litigation news digest is live. Subscribe now
The patent EP3554005 was granted to Sonos on Nov 11, 2020. The application was originally filed on May 28, 2014 under application number EP19178151A. The patent is currently recorded with a legal status of "Revoked".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| GOOGLE GERMANY | Jan 5, 2021 | GROSCH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | EP2023578 |
| SEARCH | US2002174269 |
| SEARCH | US2006153040 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
May 10, 2023
Refund of fees
Search/Exam
May 9, 2023
May 9, 2023
May 8, 2023
May 3, 2023
May 3, 2023
May 2, 2023
Apr 28, 2023
(Electronic) Receipt
Appeal
Apr 28, 2023
Apr 28, 2023
Withdrawal of an appeal
Appeal
Mar 7, 2023
Mar 7, 2023
Feb 28, 2023
(Electronic) Receipt
Appeal
Feb 28, 2023
Feb 28, 2023
Notice of appeal
Appeal
Jan 2, 2023
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Means of redress
OPPO
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Dec 20, 2022
Sep 5, 2022
Sep 5, 2022
Sep 2, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 10, 2022
Aug 9, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Jul 15, 2022
Jul 8, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Claims
OPPO
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jun 27, 2022
Jun 27, 2022
May 11, 2022
May 11, 2022
Feb 21, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 16, 2022
Feb 9, 2022
Feb 8, 2022
Dec 10, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Aug 23, 2021
Aug 23, 2021
Aug 20, 2021
Aug 12, 2021
Aug 5, 2021
Aug 5, 2021
Aug 5, 2021
Aug 5, 2021
Aug 2, 2021
Apr 23, 2021
Apr 19, 2021
Apr 19, 2021
Apr 19, 2021
Apr 15, 2021
Feb 19, 2021
Feb 16, 2021
Feb 16, 2021
Feb 16, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Jan 19, 2021
Jan 5, 2021
Authorisation
OPPO
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Nov 23, 2020
Oct 15, 2020
Decision to grant a European patent
Search/Exam
Oct 1, 2020
(Electronic) Receipt
Search/Exam
Oct 1, 2020
French translation of claims
Search/Exam
Oct 1, 2020
German translation of the claims
Search/Exam
Oct 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 12, 2020
Jun 12, 2020
Jun 12, 2020
Intention to grant (signatures)
Search/Exam
Jun 12, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 12, 2020
May 28, 2020
Annex to the communication
Search/Exam
May 28, 2020
Consultation by telephone/in person
Search/Exam
May 28, 2020
May 25, 2020
Annex to the communication
Search/Exam
May 25, 2020
Communication from the Examining Division
Search/Exam
May 18, 2020
Examination started
Search/Exam
Apr 16, 2020
(Electronic) Receipt
Search/Exam
Apr 16, 2020
Apr 16, 2020
Amended claims with annotations
Search/Exam
Apr 16, 2020
Apr 16, 2020
Amended description with annotations
Search/Exam
Apr 16, 2020
Amendments received before examination
Search/Exam
Apr 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2019
Sep 18, 2019
Notification of forthcoming publication
Search/Exam
Sep 11, 2019
Refund of fees
Search/Exam
Aug 30, 2019
Payment submission rejected
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jul 22, 2019
Jul 22, 2019
European search opinion
Search/Exam
Jul 22, 2019
European search report
Search/Exam
Jul 22, 2019
Information on Search Strategy
Search/Exam
Jul 10, 2019
Search started
Search/Exam
Jun 4, 2019
Abstract
Search/Exam
Jun 4, 2019
Jun 4, 2019
Claims
Search/Exam
Jun 4, 2019
Description
Search/Exam
Jun 4, 2019
Designation of inventor
Search/Exam
Jun 4, 2019
Drawings
Search/Exam
Jun 4, 2019
Request for grant of a European patent
Search/Exam
Dec 22, 2014
Dec 22, 2014
Dec 22, 2014
Dec 22, 2014
Dec 22, 2014
Dec 22, 2014
Dec 22, 2014