The weekly litigation news digest is live. Subscribe now
The patent EP2741726 was granted to Debiotech on Aug 5, 2020. The application was filed on Jul 26, 2012 under application number EP12758635A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| TOPAS ADVANCED POLYMERS | Feb 19, 2018 | ACKERMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2631847 |
| DESCRIPTION | US3771694 |
| DESCRIPTION | US4498843 |
| DESCRIPTION | US4544369 |
| DESCRIPTION | US4657486 |
| DESCRIPTION | US5957895 |
| DESCRIPTION | US6485461 |
| DESCRIPTION | US6589229 |
| DESCRIPTION | US6723072 |
| DESCRIPTION | US6740059 |
| DESCRIPTION | US7935104 |
| EXAMINATION | EP2455126 |
| INTERNATIONAL-SEARCH-REPORT | US2007043335 |
| INTERNATIONAL-SEARCH-REPORT | US2009311133 |
| INTERNATIONAL-SEARCH-REPORT | US2011172639 |
| INTERNATIONAL-SEARCH-REPORT | US5938640 |
| INTERNATIONAL-SEARCH-REPORT | WO0194784 |
| OPPOSITION | EP1839695 |
| OPPOSITION | US2004138612 |
| OPPOSITION | WO2011129869 |
| OPPOSITION | WO2012065780 |
| OPPOSITION | WO9827925 |
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
Jul 9, 2020
Jul 9, 2020
Jul 3, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Mar 26, 2020
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Dec 11, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Means of redress
OPPO
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Sep 12, 2019
Sep 10, 2019
Sep 5, 2019
Sep 5, 2019
Sep 5, 2019
Sep 5, 2019
Jul 17, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 4, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Feb 18, 2019
Jan 18, 2019
Jan 8, 2019
Dec 28, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Dec 11, 2018
Sep 17, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
May 9, 2018
May 9, 2018
Mar 1, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Feb 19, 2018
Jul 20, 2017
Jun 22, 2017
Decision to grant a European patent
Search/Exam
Jun 6, 2017
(Electronic) Receipt
Search/Exam
Jun 6, 2017
Cover sheet for fax transmission
Search/Exam
Jun 6, 2017
French translation of claims
Search/Exam
Jun 6, 2017
German translation of the claims
Search/Exam
Jun 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2017
Payment of fees and costs
Search/Exam
Jun 6, 2017
Payment of fees and costs
Search/Exam
Feb 7, 2017
Feb 7, 2017
Feb 7, 2017
Intention to grant (signatures)
Search/Exam
Feb 7, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 7, 2017
Feb 3, 2017
Jan 18, 2017
Annex to the communication
Search/Exam
Jan 18, 2017
Consultation by telephone/in person
Search/Exam
Jan 18, 2017
Jan 13, 2017
(Electronic) Receipt
Search/Exam
Jan 13, 2017
Amended claims with annotations
Search/Exam
Jan 13, 2017
Amended claims with annotations
Search/Exam
Jan 13, 2017
Amended claims with annotations
Search/Exam
Jan 13, 2017
Claims
Search/Exam
Jan 13, 2017
Claims
Search/Exam
Jan 13, 2017
Claims
Search/Exam
Jan 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2017
Jan 13, 2017
Nov 4, 2016
Advice of delivery
Search/Exam
Oct 28, 2016
Advice of delivery
Search/Exam
Oct 13, 2016
Acknowledgement of a document
Search/Exam
Oct 13, 2016
Summons to attend oral proceedings
Search/Exam
Oct 4, 2016
Annex to the communication
Search/Exam
Oct 4, 2016
Consultation by telephone/in person
Search/Exam
Oct 4, 2016
Jul 4, 2016
Advice of delivery
Search/Exam
Jun 17, 2016
Advice of delivery
Search/Exam
Jun 13, 2016
Acknowledgement of a document
Search/Exam
Jun 13, 2016
Annex to the communication
Search/Exam
Jun 13, 2016
Summons to attend oral proceedings
Search/Exam
Jun 7, 2016
Preparation for oral proceedings
Search/Exam
Feb 12, 2016
(Electronic) Receipt
Search/Exam
Feb 12, 2016
Amended claims with annotations
Search/Exam
Feb 12, 2016
Claims
Search/Exam
Feb 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2016
Dec 15, 2015
Dec 10, 2015
Sep 7, 2015
Annex to the communication
Search/Exam
Sep 7, 2015
Communication from the Examining Division
Search/Exam
Jul 10, 2015
(Electronic) Receipt
Search/Exam
Jul 10, 2015
Amended claims with annotations
Search/Exam
Jul 10, 2015
Claims
Search/Exam
Jul 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2015
Mar 17, 2015
Annex to the communication
Search/Exam
Mar 17, 2015
Communication from the Examining Division
Search/Exam
Mar 4, 2015
Examination started
Search/Exam
Sep 29, 2014
(Electronic) Receipt
Search/Exam
Sep 29, 2014
Sep 29, 2014
Amended claims with annotations
Search/Exam
Sep 29, 2014
Amendments received before examination
Search/Exam
Sep 29, 2014
Letter accompanying subsequently filed items
Search/Exam
May 21, 2014
Mar 18, 2014
Mar 14, 2014
Communication to designated inventor
Search/Exam
Mar 11, 2014
Priority search results copy provided by EPO
Search/Exam
Feb 25, 2014
Feb 1, 2014
Authorisation
Search/Exam
Feb 1, 2014
Submission concerning representation
Search/Exam
Dec 6, 2013
Information regarding early processing
Search/Exam
Dec 2, 2013
Payment of fees and costs
Search/Exam
Dec 2, 2013
Payment of fees and costs
Search/Exam
Nov 8, 2013
(Electronic) Receipt
Search/Exam
Nov 8, 2013
Request for entry into the European phase
Search/Exam
Mar 6, 2013
Feb 14, 2013
Copy of the international search report
Search/Exam
Feb 14, 2013
Published international application - A1
Search/Exam
Nov 12, 2012
Nov 12, 2012
Nov 12, 2012
Oct 11, 2012
Sep 14, 2012
Abstract
PCTISA
Sep 14, 2012
Claims
PCTISA
Sep 14, 2012
Description
PCTISA
Sep 14, 2012
Drawings
PCTISA