IP Verse

Sintered Refractory Block Based On Silicon Carbide With A Silicon Nitride Bond

Patent No. EP1828077 (titled "Sintered Refractory Block Based On Silicon Carbide With A Silicon Nitride Bond") was filed by Saint Gobain Centre DE Recherches Detudes Europen on Nov 25, 2005. The application was issued on Aug 14, 2019.

Patent Summary

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Patent Oppositions

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
REFRATECHNIK HOLDING GMBH	Dec 23, 2016	DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBB

Dossier Documents

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

Jul 18, 2019
Decision to maintain the European patent in amended form
Jul 12, 2019
Termination of the opposition proceedings with maintenance of patent
Jul 8, 2019
(Electronic) Receipt
Jul 8, 2019
English translation of the claims
Jul 8, 2019
Filing of the translation of the amended claims
Jul 8, 2019
German translation of the claims
Jul 8, 2019
Letter accompanying subsequently filed items
May 20, 2019
Advice of delivery
Apr 10, 2019
Communication of bibliographic data
Apr 10, 2019
Communication with request to file translations
Apr 3, 2019
Maintenance of the patent with the documents specified in the final decision
Dec 13, 2018
Acknowledgement of a document
Dec 13, 2018
Decision of the Opposition Division and instruction
Dec 13, 2018
Druckexemplar in opposition procedure
Dec 13, 2018
Grounds for the decision (Annex) - opposition
Dec 13, 2018
Interlocutory decision in opposition proceedings
Dec 13, 2018
Internal form - Opposition/addressees
Dec 13, 2018
Means of redress
Nov 12, 2018
Notification concerning the date of oral proceedings
Nov 9, 2018
Brief communication - Opposition proceedings
Oct 31, 2018
(Electronic) Receipt
Oct 31, 2018
Letter accompanying subsequently filed items
Oct 31, 2018
Letter dealing with oral proceedings
Oct 31, 2018
Main request during Opposition procedure
Oct 30, 2018
Notification concerning the date of oral proceedings
Oct 26, 2018
(Electronic) Receipt
Oct 26, 2018
Withdrawal of an opposition
Oct 22, 2018
Brief communication - Opposition proceedings
Oct 19, 2018
(Electronic) Receipt
Oct 19, 2018
Letter accompanying subsequently filed items
Oct 19, 2018
Letter dealing with oral proceedings
Oct 19, 2018
Non-patent literature cited during the opposition procedure
Oct 15, 2018
Brief communication - Opposition proceedings
Oct 9, 2018
(Electronic) Receipt
Oct 9, 2018
Letter accompanying subsequently filed items
Oct 9, 2018
Letter regarding the opposition procedure (no time limit)
Oct 9, 2018
Letter regarding the opposition procedure (no time limit)
Oct 9, 2018
Non-patent literature cited during the opposition procedure
Oct 8, 2018
Annex to the communication - opposition
Oct 8, 2018
Brief communication - Opposition proceedings
Oct 8, 2018
Brief communication - Opposition proceedings
Oct 8, 2018
Internal form - Opposition/addressees
Sep 21, 2018
Brief communication - Opposition proceedings
Sep 13, 2018
(Electronic) Receipt
Sep 13, 2018
Request for interpreters during oral proceedings
Sep 13, 2018
Written submission in preparation to/during oral proceedings
Sep 7, 2018
Brief communication - Opposition proceedings
Sep 6, 2018
Brief communication - Opposition proceedings
Aug 31, 2018
(Electronic) Receipt
Aug 31, 2018
Any annexes (other than citation) to an opposition letter
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Citation in opposition procedure
Aug 31, 2018
Non-patent literature cited during the opposition procedure
Aug 31, 2018
Non-patent literature cited during the opposition procedure
Aug 31, 2018
Non-patent literature cited during the opposition procedure
Aug 31, 2018
Written submission in preparation to/during oral proceedings
Jul 6, 2018
Brief communication - Opposition proceedings
Jun 29, 2018
(Electronic) Receipt
Jun 29, 2018
Auxiliary request during Opposition procedure
Jun 29, 2018
Auxiliary request during Opposition procedure
Jun 29, 2018
Letter accompanying subsequently filed items
Jun 29, 2018
Letter dealing with oral proceedings
Mar 16, 2018
Brief communication - Opposition proceedings
Mar 7, 2018
(Electronic) Receipt
Mar 7, 2018
Letter accompanying subsequently filed items
Mar 7, 2018
Request for interpreters during oral proceedings
Feb 26, 2018
Advice of delivery
Feb 2, 2018
Brief communication - Opposition proceedings
Jan 30, 2018
Advice of delivery
Jan 25, 2018
Advice of delivery
Jan 25, 2018
Request for interpreters during oral proceedings
Jan 8, 2018
Advice of delivery
Jan 5, 2018
Brief communication - Opposition proceedings
Jan 5, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
Acknowledgement of a document
Jan 3, 2018
Acknowledgement of a document
Jan 3, 2018
Annex to the communication - opposition
Jan 3, 2018
Information concerning oral proceedings
Jan 3, 2018
Preparation for oral proceedings
Jan 3, 2018
Scanned annex to a communication - opposition procedure
Jan 3, 2018
Summons to attend oral proceedings
Jan 3, 2018
Summons to attend oral proceedings
Aug 18, 2017
Brief communication - Opposition proceedings
Aug 10, 2017
Authorisation
Aug 10, 2017
Letter regarding the opposition procedure (no time limit)
Jun 7, 2017
Brief communication - Opposition proceedings
May 31, 2017
(Electronic) Receipt
May 31, 2017
Any annexes (other than citation) to an opposition letter
May 31, 2017
Reply of the patent proprietor to the notice(s) of opposition
Feb 1, 2017
Communication of a notice of opposition and request to file observations
Feb 1, 2017
Notice of further oppositions to opponent(s)
Jan 13, 2017
Communication of a notice of opposition - first information to patent proprietor
Dec 23, 2016
(Electronic) Receipt
Dec 23, 2016
Citation in opposition procedure
Dec 23, 2016
Citation in opposition procedure
Dec 23, 2016
Citation in opposition procedure
Dec 23, 2016
Letter accompanying subsequently filed items
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Non-patent literature cited during the opposition procedure
Dec 23, 2016
Notice of opposition
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
Dec 23, 2016
Patent document cited during the opposition procedure
May 27, 2016
Communication of amended entries concerning the representative
May 20, 2016
Submission concerning change of applicant's representative
May 13, 2016
Submission concerning change of applicant's address
Mar 23, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 25, 2016
Decision to grant a European patent
Jan 21, 2016
(Electronic) Receipt
Jan 21, 2016
English translation of the claims
Jan 21, 2016
Filing of the translations of the claims
Jan 21, 2016
German translation of the claims
Jan 21, 2016
Letter accompanying subsequently filed items
Sep 25, 2015
Bibliographic data of the European patent application
Sep 25, 2015
Communication about intention to grant a European patent
Sep 25, 2015
Intention to grant (signatures)
Sep 25, 2015
Text intended for grant (clean copy)
Sep 25, 2015
Text intended for grant (version for approval)
Sep 1, 2015
Annex to the communication
Sep 1, 2015
Consultation by telephone/in person (with time limit)
Sep 1, 2015
Notification concerning the date of oral proceedings
Sep 1, 2015
Result of consultation by telephone/in person
Aug 31, 2015
(Electronic) Receipt
Aug 31, 2015
Amended claims with annotations
Aug 31, 2015
Claims
Aug 31, 2015
Letter accompanying subsequently filed items
Aug 31, 2015
Reply to communication from the Examining Division
Aug 25, 2015
Findings upon submissions relating to oral proceedings
Aug 5, 2015
Findings upon submissions relating to oral proceedings
Jul 28, 2015
(Electronic) Receipt
Jul 28, 2015
Letter accompanying subsequently filed items
Jul 28, 2015
Written submission in preparation to/during oral proceedings
Jul 3, 2015
Annex to the communication
Jul 3, 2015
Notification concerning the date of oral proceedings
Jul 3, 2015
Patent document cited during the examination procedure
Jun 19, 2015
Findings upon submissions relating to oral proceedings
Jun 17, 2015
(Electronic) Receipt
Jun 17, 2015
Amended claims with annotations
Jun 17, 2015
Amended claims with annotations
Jun 17, 2015
Amended description with annotations
Jun 17, 2015
Claims
Jun 17, 2015
Claims
Jun 17, 2015
Description
Jun 17, 2015
Findings upon submissions relating to oral proceedings
Jun 17, 2015
Letter accompanying subsequently filed items
Jun 17, 2015
Patent document cited during the examination procedure
Jun 17, 2015
Written submission in preparation to/during oral proceedings
Feb 13, 2015
Advice of delivery
Feb 4, 2015
Acknowledgement of a document
Feb 4, 2015
Annex to the communication
Feb 4, 2015
Summons to attend oral proceedings
Jan 27, 2015
Preparation for oral proceedings
Nov 21, 2012
Letter relating to the automatic debiting procedure
Jan 19, 2012
CDS Clean up - amended data concerning the representative for the applicant
Jan 13, 2012
Submission concerning representation
Nov 15, 2010
(Electronic) Receipt
Nov 15, 2010
Letter accompanying subsequently filed items
Feb 18, 2010
(Electronic) Receipt
Feb 18, 2010
Amended claims with annotations
Feb 18, 2010
Claims
Feb 18, 2010
Letter accompanying subsequently filed items
Feb 18, 2010
Reply to communication from the Examining Division
Feb 8, 2010
Grant of extension of time limit (examination procedure)
Feb 2, 2010
(Electronic) Receipt
Feb 2, 2010
Letter accompanying subsequently filed items
Feb 2, 2010
Request for extension of time limit to communication from the Examining Division
Nov 23, 2009
(Electronic) Receipt
Nov 23, 2009
Letter accompanying subsequently filed items
Oct 2, 2009
Annex to the communication
Oct 2, 2009
Communication from the Examining Division
Oct 30, 2008
(Electronic) Receipt
Oct 30, 2008
Letter accompanying subsequently filed items
Mar 31, 2008
(Electronic) Receipt
Mar 31, 2008
Amended claims filed after receipt of (European) search report
Mar 31, 2008
Amendments received before examination
Mar 31, 2008
Amendments received before examination
Oct 11, 2007
Letter concerning fees and payments
Aug 8, 2007
Notification on forthcoming publication of bibliographic data
Jul 19, 2007
Communication regarding possible amendment of claims/payment of claims fees
Jun 12, 2007
Copy of the international preliminary report on patentability
Jun 4, 2007
Matter concerning the application
Jun 4, 2007
Request for entry into the European phase
Apr 10, 2007
Information on entry into European phase
Nov 17, 2006
Notification of the recording of a change
Aug 31, 2006
Copy of the international search report
Aug 31, 2006
Copy of the international search report
Aug 31, 2006
International publication of the international search report
Jun 22, 2006
Priority document (electronically transmitted)
Jun 1, 2006
Published international application - A2
Feb 23, 2006
Submission concerning representation
Jan 19, 2006
Abstract
Jan 19, 2006
Claims
Jan 19, 2006
Description
Jan 19, 2006
Drawings

EP1828077

SAINT GOBAIN CENTRE DE RECHERCHES DETUDES EUROPEN

Application Number: EP05822883A
Filing Date: Nov 25, 2005
Status: Patent Maintained As Amended; Jul 12, 2019
Publication Date: Aug 14, 2019
External Links: Slate, Register , Google Patents