The weekly litigation news digest is live. Subscribe now
The patent EP2111938 was granted to Calderys France on Apr 19, 2017. The application was filed on Apr 24, 2008 under application number EP08155102A. 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 |
|---|---|---|---|
| REFRACTORY | Jan 18, 2018 | PACHER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE19504941 |
| OPPOSITION | DE19846524 |
| OPPOSITION | DE3727938 |
| OPPOSITION | EP0490062 |
| OPPOSITION | EP1101825 |
| OPPOSITION | EP1797976 |
| OPPOSITION | JPH09272915 |
| OPPOSITION | RU2132395 |
| OPPOSITION | US2003111778 |
| OPPOSITION | WO03103877 |
| SEARCH | DE19504941 |
| SEARCH | DE19846524 |
| SEARCH | DE3727938 |
| SEARCH | EP0490062 |
| SEARCH | EP1797976 |
| SEARCH | US2003111778 |
| SEARCH | WO03103877 |
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
Oct 9, 2019
Oct 9, 2019
Oct 4, 2019
Jul 15, 2019
Jul 12, 2019
Jul 11, 2019
Jul 8, 2019
Jul 8, 2019
Jul 8, 2019
Jul 4, 2019
Jul 4, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Means of redress
OPPO
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
May 21, 2019
May 10, 2019
May 10, 2019
May 7, 2019
May 7, 2019
May 7, 2019
May 7, 2019
May 7, 2019
May 2, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 25, 2019
Apr 1, 2019
Apr 1, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Claims
OPPO
Mar 21, 2019
Claims
OPPO
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 18, 2019
Mar 18, 2019
Mar 18, 2019
Mar 18, 2019
Mar 12, 2019
Mar 12, 2019
Feb 21, 2019
Feb 8, 2019
Feb 7, 2019
Dec 21, 2018
Dec 20, 2018
Oct 23, 2018
Oct 22, 2018
Oct 22, 2018
Oct 19, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Jul 9, 2018
Jul 4, 2018
Jul 4, 2018
Jul 4, 2018
Jul 4, 2018
Jun 20, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Claims
OPPO
Jun 12, 2018
Claims
OPPO
Jun 12, 2018
Claims
OPPO
Jun 12, 2018
Jun 12, 2018
Feb 5, 2018
Feb 2, 2018
Feb 2, 2018
Jan 30, 2018
Jan 29, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Apr 19, 2017
Mar 23, 2017
Decision to grant a European patent
Search/Exam
Mar 9, 2017
(Electronic) Receipt
Search/Exam
Mar 9, 2017
Filing of the translations of the claims
Search/Exam
Mar 9, 2017
French translation of claims
Search/Exam
Mar 9, 2017
German translation of the claims
Search/Exam
Nov 3, 2016
Nov 3, 2016
Nov 3, 2016
Intention to grant (signatures)
Search/Exam
Nov 3, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 3, 2016
Nov 14, 2012
(Electronic) Receipt
Search/Exam
Nov 14, 2012
Amended claims with annotations
Search/Exam
Nov 14, 2012
Amended description with annotations
Search/Exam
Nov 14, 2012
Claims
Search/Exam
Nov 14, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2012
Jul 16, 2012
Annex to the communication
Search/Exam
Jul 16, 2012
Communication from the Examining Division
Search/Exam
Jan 17, 2011
(Electronic) Receipt
Search/Exam
Jan 17, 2011
Amended claims with annotations
Search/Exam
Jan 17, 2011
Claims
Search/Exam
Jan 17, 2011
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2011
Nov 26, 2010
Nov 17, 2010
(Electronic) Receipt
Search/Exam
Nov 17, 2010
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2010
Submission concerning representation
Search/Exam
Nov 10, 2010
Nov 4, 2010
(Electronic) Receipt
Search/Exam
Nov 4, 2010
Jul 6, 2010
Communication from the Examining Division
Search/Exam
May 6, 2010
Refund of fees
Search/Exam
May 6, 2010
Refund of fees
Search/Exam
Mar 26, 2010
Letter concerning fees and payments
Search/Exam
Oct 30, 2009
Oct 19, 2009
Sep 30, 2009
Notification of forthcoming publication
Search/Exam
Sep 30, 2009
Submission concerning representation
Search/Exam
Sep 23, 2009
Aug 31, 2009
Aug 24, 2009
Annexes in respect of a client data request
Search/Exam
Aug 24, 2009
Annexes in respect of a client data request
Search/Exam
Aug 24, 2009
Annexes in respect of a client data request
Search/Exam
Aug 24, 2009
Jul 30, 2009
Jul 30, 2009
May 25, 2009
May 12, 2009
May 11, 2009
Submission concerning representation
Search/Exam
Apr 17, 2009
Annexes in respect of a client data request
Search/Exam
Apr 17, 2009
Annexes in respect of a client data request
Search/Exam
Apr 17, 2009
Oct 7, 2008
Oct 7, 2008
European search opinion
Search/Exam
Oct 7, 2008
European search report
Search/Exam
May 29, 2008
Drawings
Search/Exam
May 29, 2008
Matter concerning the application
Search/Exam
Apr 24, 2008
Abstract
Search/Exam
Apr 24, 2008
Apr 24, 2008
Claims
Search/Exam
Apr 24, 2008
Description
Search/Exam
Apr 24, 2008
Designation of inventor
Search/Exam
Apr 24, 2008
Designation of inventor
Search/Exam
Apr 24, 2008
Drawings
Search/Exam
Apr 24, 2008
Request for grant of a European patent
Search/Exam