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The patent EP2938790 was granted to Carsten Willers Consulting on Mar 30, 2022. The application was filed on Dec 23, 2013 under application number EP13821669A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| TOTO | Dec 26, 2022 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202006013209U |
| EXAMINATION | JP2010024780 |
| EXAMINATION | JPH08120733 |
| EXAMINATION | US2004068785 |
| INTERNATIONAL-SEARCH-REPORT | DE202006013209U |
| INTERNATIONAL-SEARCH-REPORT | FR2320076 |
| INTERNATIONAL-SEARCH-REPORT | US3455324 |
| OPPOSITION | DE202006013209U |
| OPPOSITION | FR2320076 |
| OPPOSITION | GB1166040 |
| OPPOSITION | JP2003138627 |
| OPPOSITION | JP2003239353 |
| OPPOSITION | JP2003275140 |
| OPPOSITION | JP2010024780 |
| OPPOSITION | JPH08120733 |
| OPPOSITION | US2004068785 |
| OPPOSITION | US3455324 |
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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Aug 27, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
May 14, 2025
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Feb 18, 2022
(Electronic) Receipt
Search/Exam
Feb 18, 2022
Filing of the translations of the claims
Search/Exam
Feb 18, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2022
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Intention to grant (signatures)
Search/Exam
Feb 17, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 17, 2022
Jan 21, 2022
(Electronic) Receipt
Search/Exam
Jan 21, 2022
Amended claims with annotations
Search/Exam
Jan 21, 2022
Amended description with annotations
Search/Exam
Jan 21, 2022
Claims
Search/Exam
Jan 21, 2022
Description
Search/Exam
Jan 21, 2022
English translation of the claims
Search/Exam
Jan 21, 2022
French translation of claims
Search/Exam
Jan 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2022
Nov 9, 2021
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Intention to grant (signatures)
Search/Exam
Nov 9, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2021
May 4, 2021
Apr 20, 2021
(Electronic) Receipt
Search/Exam
Apr 20, 2021
Enquiry as to the processing of the file
Search/Exam
Apr 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 9, 2020
(Electronic) Receipt
Search/Exam
Oct 9, 2020
Amended claims with annotations
Search/Exam
Oct 9, 2020
Amended claims with annotations
Search/Exam
Oct 9, 2020
Claims
Search/Exam
Oct 9, 2020
Claims
Search/Exam
Oct 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 9, 2020
Sep 4, 2020
Matter concerning the application
Search/Exam
Aug 13, 2020
Matter concerning the application
Search/Exam
Jul 16, 2020
Jul 10, 2020
Observations by third parties
Search/Exam
Jul 10, 2020
Patent document filed by a Third party
Search/Exam
Jul 10, 2020
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Jul 10, 2020
Patent document filed by a Third party
Search/Exam
Jun 10, 2020
(Electronic) Receipt
Search/Exam
Jun 10, 2020
Amended claims with annotations
Search/Exam
Jun 10, 2020
Amended claims with annotations
Search/Exam
Jun 10, 2020
Amended claims with annotations
Search/Exam
Jun 10, 2020
Claims
Search/Exam
Jun 10, 2020
Claims
Search/Exam
Jun 10, 2020
Claims
Search/Exam
Jun 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2020
Apr 23, 2020
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Authorisation
Search/Exam
Feb 28, 2020
Submission concerning representation
Search/Exam
Feb 10, 2020
Jan 30, 2020
Letter concerning search matters
Search/Exam
Jan 30, 2020
Dec 18, 2019
Annex to the communication
Search/Exam
Dec 18, 2019
Communication from the Examining Division
Search/Exam
Dec 9, 2019
Nov 25, 2019
(Electronic) Receipt
Search/Exam
Nov 25, 2019
Annexes in respect of a client data request
Search/Exam
Nov 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2019
Aug 28, 2019
Submission concerning representation
Search/Exam
Jan 22, 2019
(Electronic) Receipt
Search/Exam
Jan 22, 2019
Amended claims with annotations
Search/Exam
Jan 22, 2019
Claims
Search/Exam
Jan 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2019
Nov 23, 2018
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Annex to the communication
Search/Exam
Jul 20, 2018
Communication from the Examining Division
Search/Exam
Jul 13, 2018
Examination started
Search/Exam
Feb 7, 2018
Jan 25, 2018
(Electronic) Receipt
Search/Exam
Jan 25, 2018
Enquiry as to the processing of the file
Search/Exam
Jan 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Deficiencies in an enquiry
Search/Exam
Jan 15, 2018
Submission concerning representation
Search/Exam
Nov 7, 2017
Oct 27, 2017
Mar 22, 2016
(Electronic) Receipt
Search/Exam
Mar 22, 2016
Priority search results
Search/Exam
Mar 22, 2016
Mar 18, 2016
Feb 11, 2016
(Electronic) Receipt
Search/Exam
Feb 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 7, 2015
Aug 4, 2015
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 13, 2015
(Electronic) Receipt
Search/Exam
Jul 13, 2015
Authorisation
Search/Exam
Jul 13, 2015
Jul 13, 2015
Request for entry into the European phase
Search/Exam
May 8, 2015
Information on entry into European phase
Search/Exam
Jul 22, 2014
Jul 3, 2014
Copy of the international search report
Search/Exam
Jul 3, 2014
Published international application - A1
Search/Exam
Mar 10, 2014
Mar 10, 2014
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Jan 28, 2014
Dec 24, 2013
Abstract
PCTRO
Dec 24, 2013
Claims
PCTRO
Dec 24, 2013
Description
PCTRO
Dec 24, 2013
Drawings
PCTRO