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The patent EP2817798 was granted to Schimmel Verwaltungsgesellschaft MIT Beschrnkter Haftung on Aug 8, 2018. The application was filed on Feb 25, 2013 under application number EP13706000A. 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 |
|---|---|---|---|
| STEINWAY & SONS | May 6, 2019 | GERSTEIN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE1497793 |
| DESCRIPTION | DE19819851 |
| DESCRIPTION | DE9209461U |
| EXAMINATION | DD11869 |
| INTERNATIONAL-SEARCH-REPORT | DE1497793 |
| INTERNATIONAL-SEARCH-REPORT | DE346160 |
| INTERNATIONAL-SEARCH-REPORT | US2217021 |
| OPPOSITION | AT167603B |
| OPPOSITION | DD11869 |
| OPPOSITION | DE1497793 |
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
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Nov 2, 2023
Refund of fees
Appeal
Oct 26, 2023
Advice of delivery
Appeal
Oct 26, 2023
Oct 26, 2023
Oct 23, 2023
Advice of delivery
Appeal
Oct 20, 2023
Oct 20, 2023
Oct 20, 2023
Oct 17, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Jul 12, 2023
Jul 6, 2023
(Electronic) Receipt
Appeal
Jul 6, 2023
Jul 6, 2023
Jun 2, 2023
May 26, 2023
May 26, 2023
May 16, 2023
May 16, 2023
May 16, 2023
Apr 28, 2023
Advice of delivery
Appeal
Apr 21, 2023
Advice of delivery
Appeal
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 14, 2023
Jan 31, 2023
Jan 31, 2023
Sep 21, 2022
Apr 6, 2022
Apr 1, 2022
(Electronic) Receipt
Appeal
Apr 1, 2022
Apr 1, 2022
Mar 23, 2022
Mar 18, 2022
(Electronic) Receipt
Appeal
Mar 18, 2022
Mar 18, 2022
May 27, 2021
May 14, 2021
(Electronic) Receipt
Appeal
May 14, 2021
May 14, 2021
Reply to appeal
Appeal
Jan 27, 2021
Jan 11, 2021
(Electronic) Receipt
Appeal
Jan 11, 2021
Claims
Appeal
Jan 11, 2021
Description
Appeal
Jan 11, 2021
Jan 11, 2021
Oct 27, 2020
Oct 27, 2020
Oct 16, 2020
(Electronic) Receipt
Appeal
Oct 16, 2020
Oct 16, 2020
Notice of appeal
Appeal
Aug 21, 2020
Aug 20, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Aug 14, 2020
Means of redress
OPPO
Aug 7, 2020
Aug 7, 2020
Jul 2, 2020
Jul 2, 2020
Jun 17, 2020
Jun 17, 2020
Jun 17, 2020
Oct 8, 2019
Oct 8, 2019
Sep 27, 2019
Sep 27, 2019
Sep 27, 2019
May 22, 2019
May 22, 2019
May 16, 2019
May 9, 2019
May 6, 2019
May 6, 2019
May 6, 2019
Authorisation
OPPO
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
May 6, 2019
Aug 20, 2018
Jul 12, 2018
Decision to grant a European patent
Search/Exam
Jun 26, 2018
English translation of the claims
Search/Exam
Jun 26, 2018
Filing of the translations of the claims
Search/Exam
Jun 26, 2018
French translation of claims
Search/Exam
Jun 26, 2018
Letter concerning fees and payments
Search/Exam
Mar 20, 2018
Mar 20, 2018
Mar 20, 2018
Mar 20, 2018
Intention to grant (signatures)
Search/Exam
Mar 20, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2018
Feb 5, 2018
Examination started
Search/Exam
Sep 2, 2016
Jul 27, 2016
Jul 19, 2016
Jun 21, 2016
Annexes in respect of a client data request
Search/Exam
Jun 21, 2016
Payment of fees and costs
Search/Exam
Jun 21, 2016
Feb 29, 2016
Payment of fees and costs
Search/Exam
Feb 29, 2016
Payment of fees and costs
Search/Exam
May 26, 2015
Priority search results
Search/Exam
May 26, 2015
May 20, 2015
Jan 2, 2015
Jan 2, 2015
Jan 2, 2015
Amendments received before examination
Search/Exam
Dec 3, 2014
Sep 30, 2014
Sep 26, 2014
Communication to designated inventor
Search/Exam
Sep 9, 2014
Jul 24, 2014
(Electronic) Receipt
Search/Exam
Jul 24, 2014
Request for entry into the European phase
Search/Exam
Jul 2, 2014
Information on entry into European phase
Search/Exam
Oct 1, 2013
Aug 29, 2013
Copy of the international search report
Search/Exam
Aug 29, 2013
Copy of the international search report
Search/Exam
Aug 29, 2013
Published international application - A1
Search/Exam
May 24, 2013
May 24, 2013
May 24, 2013
Feb 25, 2013
(Electronic) Receipt
PCTRO
Feb 25, 2013
Abstract
PCTRO
Feb 25, 2013
Claims
PCTRO
Feb 25, 2013
Description
PCTRO
Feb 25, 2013
Drawings
PCTRO