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The patent EP1735517 was granted to Saint Gobain on Jan 10, 2018. The application was filed on Apr 7, 2005 under application number EP05748529A. 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 |
|---|---|---|---|
| EDUARD KRONENBERG | Oct 10, 2018 | ERNICKE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US5734343 |
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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Nov 24, 2020
Refund of fees
Search/Exam
Nov 20, 2020
Nov 20, 2020
Nov 18, 2020
Nov 17, 2020
Nov 12, 2020
Nov 6, 2020
(Electronic) Receipt
Appeal
Nov 6, 2020
Nov 6, 2020
Withdrawal of an appeal
Appeal
Sep 28, 2020
Sep 28, 2020
Sep 17, 2020
(Electronic) Receipt
Appeal
Sep 17, 2020
Sep 17, 2020
Notice of appeal
Appeal
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Sep 4, 2020
Jul 13, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Means of redress
OPPO
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jun 25, 2020
Jun 25, 2020
Jun 25, 2020
May 11, 2020
May 5, 2020
Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
May 5, 2020
Jan 27, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Dec 3, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 21, 2019
Nov 21, 2019
Nov 21, 2019
Aug 23, 2019
Aug 7, 2019
Jul 30, 2019
Jul 30, 2019
Jul 24, 2019
Jul 24, 2019
Jul 24, 2019
Jul 24, 2019
Jul 24, 2019
Jul 24, 2019
Mar 1, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Nov 23, 2018
Authorisation
OPPO
Nov 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 16, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Oct 10, 2018
Jan 26, 2018
Dec 14, 2017
Decision to grant a European patent
Search/Exam
Dec 1, 2017
(Electronic) Receipt
Search/Exam
Dec 1, 2017
English translation of the claims
Search/Exam
Dec 1, 2017
Filing of the translations of the claims
Search/Exam
Dec 1, 2017
German translation of the claims
Search/Exam
Dec 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2017
Sep 29, 2017
Sep 29, 2017
Sep 29, 2017
Intention to grant (signatures)
Search/Exam
Sep 29, 2017
Text intended for grant
Search/Exam
Sep 21, 2017
Sep 7, 2017
(Electronic) Receipt
Search/Exam
Sep 7, 2017
Amended claims with annotations
Search/Exam
Sep 7, 2017
Amended claims with annotations
Search/Exam
Sep 7, 2017
Amended claims with annotations
Search/Exam
Sep 7, 2017
Amended claims with annotations
Search/Exam
Sep 7, 2017
Claims
Search/Exam
Sep 7, 2017
Claims
Search/Exam
Sep 7, 2017
Claims
Search/Exam
Sep 7, 2017
Claims
Search/Exam
Sep 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2017
Apr 25, 2017
Advice of delivery
Search/Exam
Apr 19, 2017
Advice of delivery
Search/Exam
Apr 12, 2017
Acknowledgement of a document
Search/Exam
Apr 12, 2017
Annex to a communication
Search/Exam
Apr 12, 2017
Annex to a communication
Search/Exam
Apr 12, 2017
Annex to the communication
Search/Exam
Apr 12, 2017
Summons to attend oral proceedings
Search/Exam
Apr 4, 2017
Preparation for oral proceedings
Search/Exam
Nov 24, 2016
(Electronic) Receipt
Search/Exam
Nov 24, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 24, 2016
Oct 19, 2016
Oct 10, 2016
Sep 30, 2016
Sep 26, 2016
(Electronic) Receipt
Search/Exam
Sep 26, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2016
May 27, 2016
Annex to a communication
Search/Exam
May 27, 2016
Annex to the communication
Search/Exam
May 27, 2016
Communication from the Examining Division
Search/Exam
Jan 23, 2007
Amendments received before examination
Search/Exam
Dec 15, 2006
Nov 29, 2006
Oct 24, 2006
Aug 2, 2006
Aug 2, 2006
Request for entry into the European phase
Search/Exam
Apr 20, 2006
Apr 20, 2006
Apr 20, 2006
Apr 20, 2006
Apr 20, 2006
Apr 20, 2006
Apr 20, 2006
Apr 20, 2006
Apr 11, 2006
Notification of election of EPO
Search/Exam
Feb 2, 2006
Copy of the international search report
Search/Exam
Feb 2, 2006
Copy of the international search report
Search/Exam
Feb 2, 2006
Copy of the international search report
Search/Exam
Feb 2, 2006
Copy of the international search report
Search/Exam
Feb 2, 2006
Feb 2, 2006
Nov 22, 2005
Nov 3, 2005
Published international application - A2
Search/Exam
Oct 11, 2005
Oct 11, 2005
Jun 17, 2005
Jun 17, 2005
PCT demand form
PCT2
Jun 16, 2005
Abstract
PCTISA
Jun 16, 2005
Annex
PCTISA
Jun 16, 2005
Claims
PCTISA
Jun 16, 2005
Description
PCTISA
Jun 16, 2005
Drawings
PCTISA
Jun 16, 2005