The weekly litigation news digest is live. Subscribe now
The patent EP2739472 was granted to Saint Gobain on Feb 27, 2019. The application was filed on Jul 31, 2012 under application number EP12750458A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| MEGASOL ENERGIE | Nov 27, 2019 | RENTSCH PARTNER | ADMISSIBLE |
| SEFAR | Nov 27, 2019 | PATENT UND RECHTSANWALTE BEHRMANN WAGNER PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2001226154 |
| INTERNATIONAL-SEARCH-REPORT | DE4447171 |
| INTERNATIONAL-SEARCH-REPORT | DE8903186U |
| INTERNATIONAL-SEARCH-REPORT | DE9407401U |
| INTERNATIONAL-SEARCH-REPORT | EP0238301 |
| INTERNATIONAL-SEARCH-REPORT | FR2171929 |
| INTERNATIONAL-SEARCH-REPORT | US2007034317 |
| INTERNATIONAL-SEARCH-REPORT | US2008014398 |
| INTERNATIONAL-SEARCH-REPORT | US5536347 |
| INTERNATIONAL-SEARCH-REPORT | WO03014033 |
| INTERNATIONAL-SEARCH-REPORT | WO2009039053 |
| OPPOSITION | DE102008030927 |
| OPPOSITION | DE202008003804U |
| OPPOSITION | EP2236287 |
| OPPOSITION | JP2005072567 |
| OPPOSITION | JP2007123452 |
| OPPOSITION | JP2008282906 |
| OPPOSITION | JP2009155165 |
| OPPOSITION | JP4343589B |
| OPPOSITION | JPH0652801B |
| OPPOSITION | JPH11112007 |
| OPPOSITION | US2008014398 |
| OPPOSITION | US2008060744 |
| OPPOSITION | US3852136 |
| OPPOSITION | US3912542 |
| OPPOSITION | US5536347 |
| OPPOSITION | WO03092999 |
| OPPOSITION | WO2009039053 |
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
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 19, 2021
May 17, 2021
May 11, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
Means of redress
OPPO
May 10, 2021
May 10, 2021
May 10, 2021
Mar 19, 2021
Communication of amended entries
Search/Exam
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 8, 2021
Mar 4, 2021
Feb 25, 2021
Feb 25, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 17, 2021
Request concerning representative opponent
Search/Exam
Jan 21, 2021
Jan 21, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Dec 16, 2020
Dec 16, 2020
Dec 16, 2020
Sep 10, 2020
Sep 8, 2020
Communication of amended entries
Search/Exam
Sep 3, 2020
Aug 14, 2020
Aug 14, 2020
Request concerning representative opponent
Search/Exam
Aug 7, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
May 11, 2020
May 5, 2020
Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
May 5, 2020
May 4, 2020
May 4, 2020
Apr 27, 2020
Apr 27, 2020
Apr 27, 2020
Dec 9, 2019
Dec 9, 2019
Dec 9, 2019
Dec 6, 2019
Refund of fees
OPPO
Dec 3, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Mar 11, 2019
Jan 31, 2019
Decision to grant a European patent
Search/Exam
Jan 9, 2019
(Electronic) Receipt
Search/Exam
Jan 9, 2019
English translation of the claims
Search/Exam
Jan 9, 2019
Filing of the translations of the claims
Search/Exam
Jan 9, 2019
German translation of the claims
Search/Exam
Jan 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2018
Oct 2, 2018
Oct 2, 2018
Intention to grant (signatures)
Search/Exam
Oct 2, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 2, 2018
Apr 19, 2018
(Electronic) Receipt
Search/Exam
Apr 19, 2018
Description
Search/Exam
Apr 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2018
Jan 4, 2018
Annex to the communication
Search/Exam
Jan 4, 2018
Communication from the Examining Division
Search/Exam
Dec 8, 2017
Examination started
Search/Exam
Sep 14, 2017
Oct 19, 2016
Oct 10, 2016
Sep 15, 2014
(Electronic) Receipt
Search/Exam
Sep 15, 2014
Sep 15, 2014
Amendments received before examination
Search/Exam
Sep 15, 2014
Letter accompanying subsequently filed items
Search/Exam
May 14, 2014
May 12, 2014
Communication to designated inventor
Search/Exam
May 6, 2014
(Electronic) Receipt
Search/Exam
May 6, 2014
Letter accompanying subsequently filed items
Search/Exam
May 6, 2014
Letter concerning the inventor
Search/Exam
Apr 9, 2014
Apr 3, 2014
Letter which had not been notified
Search/Exam
Mar 14, 2014
Mar 12, 2014
Communication to designated inventor
Search/Exam
Mar 12, 2014
Communication to designated inventor
Search/Exam
Mar 12, 2014
Communication to designated inventor
Search/Exam
Mar 12, 2014
Communication to designated inventor
Search/Exam
Mar 10, 2014
Priority search results copy provided by EPO
Search/Exam
Feb 18, 2014
Jan 10, 2014
(Electronic) Receipt
Search/Exam
Jan 10, 2014
Request for entry into the European phase
Search/Exam
Dec 11, 2013
Information on entry into European phase
Search/Exam
Feb 26, 2013
Feb 7, 2013
Copy of the international search report
Search/Exam
Feb 7, 2013
Copy of the international search report
Search/Exam
Feb 7, 2013
Published international application - A1
Search/Exam
Nov 16, 2012
Nov 16, 2012
Nov 16, 2012