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The patent EP2531374 was granted to Sitech Sitztechnik on Jun 26, 2019. The application was filed on Jan 28, 2011 under application number EP11703129A. 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 |
|---|---|---|---|
| ADIENT ENGINEERING | Mar 26, 2020 | LIEDTKE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE2223361 |
| DESCRIPTION | DE9406437U |
| INTERNATIONAL-SEARCH-REPORT | DE10243617 |
| INTERNATIONAL-SEARCH-REPORT | DE19961070 |
| INTERNATIONAL-SEARCH-REPORT | US5253924 |
| INTERNATIONAL-SEARCH-REPORT | WO0047441 |
| INTERNATIONAL-SEARCH-REPORT | WO03092440 |
| OPPOSITION | DE102007034187 |
| OPPOSITION | DE10243617 |
| OPPOSITION | DE19961070 |
| OPPOSITION | DE2952499 |
| OPPOSITION | US2002008417 |
| OPPOSITION | US2006138841 |
| OPPOSITION | US2803293 |
| OPPOSITION | US3709559 |
| OPPOSITION | US4585273 |
| OPPOSITION | US5067772 |
| OPPOSITION | US5253924 |
| OPPOSITION | US7399036 |
| OPPOSITION | WO0047441 |
| OPPOSITION | WO03092440 |
| OPPOSITION | WO2007115400 |
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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Jul 8, 2019
May 31, 2019
Decision to grant a European patent
Search/Exam
May 14, 2019
(Electronic) Receipt
Search/Exam
May 14, 2019
English translation of the claims
Search/Exam
May 14, 2019
Filing of the translations of the claims
Search/Exam
May 14, 2019
French translation of claims
Search/Exam
May 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2019
Mar 29, 2019
Mar 29, 2019
Intention to grant (signatures)
Search/Exam
Mar 29, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 29, 2019
Dec 4, 2017
(Electronic) Receipt
Search/Exam
Dec 4, 2017
Amended claims with annotations
Search/Exam
Dec 4, 2017
Amended description with annotations
Search/Exam
Dec 4, 2017
Claims
Search/Exam
Dec 4, 2017
Description
Search/Exam
Dec 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2017
Aug 1, 2017
Annex to the communication
Search/Exam
Aug 1, 2017
Communication from the Examining Division
Search/Exam
Jul 26, 2017
Examination started
Search/Exam
Feb 1, 2017
Jan 26, 2017
(Electronic) Receipt
Search/Exam
Jan 26, 2017
Enquiry as to the processing of the file
Search/Exam
Jan 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2017
Deficiencies in an enquiry
Search/Exam
Jan 9, 2017
Apr 11, 2014
Feb 9, 2013
Letter concerning fees and payments
Search/Exam
Feb 8, 2013
Letter concerning fees and payments
Search/Exam
Jan 18, 2013
Jan 18, 2013
Amended claims with annotations
Search/Exam
Jan 18, 2013
Amendments received before examination
Search/Exam
Nov 14, 2012
Nov 9, 2012
Oct 5, 2012
Sep 14, 2012
Communication to designated inventor
Search/Exam
Aug 21, 2012
May 14, 2012
Priority search results
Search/Exam
May 14, 2012
Request for entry into the European phase
Search/Exam
Aug 29, 2011
Aug 11, 2011
Copy of the international search report
Search/Exam
Aug 11, 2011
Copy of the international search report
Search/Exam
Aug 11, 2011
Published international application - A1
Search/Exam
Apr 5, 2011
Apr 5, 2011
Apr 5, 2011
Jan 31, 2011
Abstract
PCTRO
Jan 31, 2011
Claims
PCTRO
Jan 31, 2011
Description
PCTRO
Jan 31, 2011
Drawings
PCTRO