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The patent EP2341174 was granted to Fiberweb Corovin on Aug 2, 2017. The application was filed on Apr 30, 2004 under application number EP10012719A. 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 |
|---|---|---|---|
| CARL FREUDENBERG | Apr 30, 2018 | BANSE & STEGLICH | ADMISSIBLE |
| CARL FREUDENBERG | Apr 30, 2018 | BANSE & STEGLICH PATENTANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0259128 |
| DESCRIPTION | EP0260974 |
| DESCRIPTION | EP0309073 |
| DESCRIPTION | US2001051267 |
| DESCRIPTION | US2002019490 |
| DESCRIPTION | US2002132923 |
| DESCRIPTION | US2002144384 |
| DESCRIPTION | US2003149180 |
| DESCRIPTION | US2734375 |
| DESCRIPTION | US3704198 |
| DESCRIPTION | US3849241 |
| DESCRIPTION | US3855046 |
| DESCRIPTION | US3914342 |
| DESCRIPTION | US4021284 |
| DESCRIPTION | US4024612 |
| DESCRIPTION | US4100324 |
| DESCRIPTION | US4818464 |
| DESCRIPTION | US5178931 |
| DESCRIPTION | US5188885 |
| DESCRIPTION | US5296184 |
| DESCRIPTION | US5336552 |
| DESCRIPTION | US5382490 |
| DESCRIPTION | US5759926 |
| DESCRIPTION | US5770531 |
| DESCRIPTION | US5783503 |
| DESCRIPTION | US5844045 |
| DESCRIPTION | US5869575 |
| DESCRIPTION | US6448341 |
| DESCRIPTION | WO0231245 |
| DESCRIPTION | WO9307187 |
| DESCRIPTION | WO9307188 |
| DESCRIPTION | WO9407189 |
| DESCRIPTION | WO9619346 |
| OPPOSITION | EP0011954 |
| OPPOSITION | EP0586936 |
| OPPOSITION | EP0843750 |
| OPPOSITION | US2002063364 |
| OPPOSITION | US2002094352 |
| OPPOSITION | US2002119720 |
| OPPOSITION | US3130449 |
| OPPOSITION | US3479692 |
| OPPOSITION | US3502763 |
| OPPOSITION | US3855046 |
| OPPOSITION | US4406850 |
| OPPOSITION | US5162074 |
| OPPOSITION | US5756031 |
| OPPOSITION | US5814349 |
| OPPOSITION | US5935512 |
| OPPOSITION | US6169045 |
| OPPOSITION | US6207602 |
| OPPOSITION | WO02055782 |
| OPPOSITION | WO0212604 |
| OPPOSITION | WO03014440 |
| OPPOSITION | WO03027365 |
| OPPOSITION | WO2005061773 |
| OPPOSITION | WO8902938 |
| OPPOSITION | WO9721863 |
| SEARCH | EP0527489 |
| SEARCH | EP1039007 |
| SEARCH | JP2002138359 |
| SEARCH | US2001003693 |
| SEARCH | US2002114857 |
| SEARCH | US3792944 |
| SEARCH | US4283364 |
| SEARCH | US5616408 |
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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OPPO
May 6, 2019
Claims
OPPO
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Claims
OPPO
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Claims
OPPO
May 6, 2019
Claims
OPPO
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Claims
OPPO
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Aug 2, 2017
Jul 6, 2017
Decision to grant a European patent
Search/Exam
Jun 22, 2017
(Electronic) Receipt
Search/Exam
Jun 22, 2017
Filing of the translations of the claims
Search/Exam
Jun 22, 2017
French translation of claims
Search/Exam
Jun 22, 2017
German translation of the claims
Search/Exam
Jun 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2017
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Intention to grant (signatures)
Search/Exam
Feb 22, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 22, 2017
Oct 31, 2016
Claims
Search/Exam
Oct 31, 2016
Claims
Search/Exam
Oct 31, 2016
Jul 6, 2016
Annex to the communication
Search/Exam
Jul 6, 2016
Communication from the Examining Division
Search/Exam
May 9, 2016
Submission concerning representation
Search/Exam
Apr 22, 2016
Submission concerning representation
Search/Exam
Mar 7, 2016
Claims
Search/Exam
Mar 7, 2016
Description
Search/Exam
Mar 7, 2016
Feb 23, 2016
Jan 27, 2016
Annexes in respect of a client data request
Search/Exam
Jan 27, 2016
Nov 4, 2015
Annex to the communication
Search/Exam
Nov 4, 2015
Communication from the Examining Division
Search/Exam
Oct 28, 2015
Examination started
Search/Exam
Nov 24, 2014
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Feb 8, 2012
Refund of fees
Search/Exam
Jan 10, 2012
Jan 10, 2012
Amended claims with annotations
Search/Exam
Jan 10, 2012
Amendments received before examination
Search/Exam
Jan 10, 2012
Letter accompanying subsequently filed items
Search/Exam
Jan 6, 2012
Jan 6, 2012
Amended claims with annotations
Search/Exam
Jan 6, 2012
Amendments received before examination
Search/Exam
Jan 6, 2012
Payment of fees and costs
Search/Exam
Jul 13, 2011
Refund of fees
Search/Exam
Jul 11, 2011
Jun 9, 2011
Notification of forthcoming publication
Search/Exam
May 27, 2011
May 27, 2011
European search opinion
Search/Exam
May 27, 2011
European search report
Search/Exam
Dec 21, 2010
Letter concerning fees and payments
Search/Exam
Dec 9, 2010
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2010
Matter concerning the application
Search/Exam
Dec 1, 2010
Refund of fees
Search/Exam
Nov 29, 2010
Invitation to pay claims fees
Search/Exam
Oct 20, 2010
Payment of fees and costs
Search/Exam
Oct 5, 2010
Abstract
Search/Exam
Oct 5, 2010
Claims
Search/Exam
Oct 5, 2010
Description
Search/Exam
Oct 5, 2010
Designation of inventor
Search/Exam
Oct 5, 2010
Drawings
Search/Exam
Oct 5, 2010
Request for grant of a European patent
Search/Exam
Oct 1, 2010
Annex
Search/Exam
Oct 1, 2010
Annex
Search/Exam
Oct 1, 2010
Annex
Search/Exam
Oct 1, 2010
Annex
Search/Exam
Oct 1, 2010
Annex
Search/Exam
Oct 1, 2010
Designation of inventor
Search/Exam
Oct 1, 2010
Jul 25, 2005