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A Sintered Refractory Material Based On Silicon Carbide With A Silicon Nitride Binder

Patent No. EP2250141 (titled "A Sintered Refractory Material Based On Silicon Carbide With A Silicon Nitride Binder") was filed by Saint Gobain Centre DE Recherches Detudes Europen on Feb 5, 2009. The application was issued on Apr 17, 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	Oct 5, 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

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Mar 21, 2019
Decision to maintain the European patent in amended form
Mar 18, 2019
Termination of the opposition proceedings with maintenance of patent
Mar 5, 2019
(Electronic) Receipt
Mar 5, 2019
Filing of the translation of the amended claims
Mar 5, 2019
French translation of claims
Mar 5, 2019
German translation of the claims
Mar 5, 2019
Letter accompanying subsequently filed items
Jan 29, 2019
Communication to opponent concerning maintenance
Jan 29, 2019
Communication with request to file translations
Jan 23, 2019
Refund of fees
Jan 21, 2019
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 21, 2019
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 21, 2019
Maintenance of the patent with the documents specified in the final decision
Jan 21, 2019
Refund of fees
Jan 11, 2019
(Electronic) Receipt
Jan 11, 2019
Letter accompanying subsequently filed items
Jan 11, 2019
Withdrawal of an appeal
Nov 2, 2018
Composition of the board (T)
Oct 31, 2018
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Oct 31, 2018
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Oct 26, 2018
(Electronic) Receipt
Oct 26, 2018
Withdrawal of an opposition
Sep 27, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 27, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 20, 2018
(Electronic) Receipt
Sep 20, 2018
Letter accompanying subsequently filed items
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Non-Patent Literature cited during the appeal procedure
Sep 20, 2018
Statement of grounds of appeal
Sep 17, 2018
(Electronic) Receipt
Sep 17, 2018
Amended claims with annotations
Sep 17, 2018
Claims
Sep 17, 2018
Letter accompanying subsequently filed items
Sep 17, 2018
Statement of grounds of appeal
Jul 16, 2018
F3204 Communication of the file number to the parties
Jul 16, 2018
F3204 Communication of the file number to the parties
Jul 10, 2018
(Electronic) Receipt
Jul 10, 2018
Letter accompanying subsequently filed items
Jul 10, 2018
Notice of appeal
Jun 8, 2018
F3204 Communication of the file number to the parties
Jun 4, 2018
Notice of appeal
Jun 4, 2018
Processing of an appeal
May 16, 2018
Advice of delivery
May 15, 2018
Advice of delivery
May 11, 2018
Acknowledgement of a document
May 11, 2018
Acknowledgement of a document
May 11, 2018
Annex to the communication - opposition
May 11, 2018
Decision of the Opposition Division and instruction
May 11, 2018
Decision of the Opposition Division and instruction
May 11, 2018
Druckexemplar in opposition procedure
May 11, 2018
Grounds for the decision (Annex) - opposition
May 11, 2018
Interlocutory decision in opposition proceedings
May 11, 2018
Interlocutory decision in opposition proceedings
May 11, 2018
Internal form - Opposition/addressees
May 11, 2018
Internal form - Opposition/addressees
May 11, 2018
Means of redress
May 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 11, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 11, 2018
Provision of a copy of the minutes - opposition procedure
May 11, 2018
Scanned annex to a communication - opposition procedure
May 11, 2018
Scanned annex to a communication - opposition procedure
Mar 1, 2018
Brief communication - Opposition proceedings
Feb 28, 2018
Brief communication - Opposition proceedings
Feb 27, 2018
Information about the result of oral proceedings
Feb 26, 2018
Brief communication - Opposition proceedings
Feb 26, 2018
Brief communication - Opposition proceedings
Feb 26, 2018
Brief communication - Opposition proceedings
Feb 23, 2018
(Electronic) Receipt
Feb 23, 2018
Brief communication - Opposition proceedings
Feb 23, 2018
Letter accompanying subsequently filed items
Feb 23, 2018
Written submission in preparation to/during oral proceedings
Feb 22, 2018
(Electronic) Receipt
Feb 22, 2018
Citation in opposition procedure
Feb 22, 2018
Letter accompanying subsequently filed items
Feb 22, 2018
Written submission in preparation to/during oral proceedings
Feb 20, 2018
(Electronic) Receipt
Feb 20, 2018
Citation in opposition procedure
Feb 20, 2018
Letter accompanying subsequently filed items
Feb 20, 2018
Non-patent literature cited during the opposition procedure
Feb 20, 2018
Written submission in preparation to/during oral proceedings
Feb 7, 2018
Brief communication - Opposition proceedings
Feb 1, 2018
(Electronic) Receipt
Feb 1, 2018
Letter regarding the opposition procedure (no time limit)
Jan 31, 2018
Brief communication - Opposition proceedings
Jan 31, 2018
Brief communication - Opposition proceedings
Jan 10, 2018
Brief communication - Opposition proceedings
Jan 10, 2018
Brief communication - Opposition proceedings
Dec 22, 2017
(Electronic) Receipt
Dec 22, 2017
(Electronic) Receipt
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Any annexes (other than citation) to an opposition letter
Dec 22, 2017
Any annexes (other than citation) to an opposition letter
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Auxiliary request during Opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Citation in opposition procedure
Dec 22, 2017
Letter accompanying subsequently filed items
Dec 22, 2017
Letter accompanying subsequently filed items
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Written submission in preparation to/during oral proceedings
Dec 22, 2017
Written submission in preparation to/during oral proceedings
Sep 8, 2017
Brief communication - Opposition proceedings
Sep 5, 2017
(Electronic) Receipt
Sep 5, 2017
Letter accompanying subsequently filed items
Sep 5, 2017
Request for interpreters during oral proceedings
Aug 10, 2017
Authorisation
Aug 10, 2017
Written submission in preparation to/during oral proceedings
Jul 20, 2017
Advice of delivery
Jul 14, 2017
(Electronic) Receipt
Jul 14, 2017
Request for interpreters during oral proceedings
Jul 12, 2017
Advice of delivery
Jul 11, 2017
Advice of delivery
Jul 10, 2017
Acknowledgement of a document
Jul 10, 2017
Acknowledgement of a document
Jul 10, 2017
Annex to the communication - opposition
Jul 10, 2017
Information concerning oral proceedings
Jul 10, 2017
Preparation for oral proceedings
Jul 10, 2017
Summons to attend oral proceedings
Jul 10, 2017
Summons to attend oral proceedings
Mar 16, 2017
Brief communication - Opposition proceedings
Mar 13, 2017
(Electronic) Receipt
Mar 13, 2017
Letter accompanying subsequently filed items
Mar 13, 2017
Letter regarding the opposition procedure (no time limit)
Mar 13, 2017
Non-patent literature cited during the examination procedure
Mar 13, 2017
Non-patent literature cited during the examination procedure
Mar 13, 2017
Non-patent literature cited during the examination procedure
Mar 13, 2017
Patent document cited during the opposition procedure
Mar 13, 2017
Patent document cited during the opposition procedure
Mar 13, 2017
Patent document cited during the opposition procedure
Mar 13, 2017
Reply of the patent proprietor to the notice(s) of opposition
Nov 15, 2016
Communication of a notice of opposition and request to file observations
Nov 15, 2016
Notice of further oppositions to opponent(s)
Oct 21, 2016
Communication of a notice of opposition - first information to patent proprietor
Oct 5, 2016
Letter regarding the opposition procedure (no time limit)
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-patent literature cited during the opposition procedure
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Non-scannable object
Oct 5, 2016
Notice of opposition
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Patent document cited during the opposition procedure
Oct 5, 2016
Payment of fees and costs
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
Jan 6, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 10, 2015
Decision to grant a European patent
Nov 6, 2015
(Electronic) Receipt
Nov 6, 2015
Filing of the translations of the claims
Nov 6, 2015
French translation of claims
Nov 6, 2015
German translation of the claims
Nov 6, 2015
Letter accompanying subsequently filed items
Jul 22, 2015
Bibliographic data of the European patent application
Jul 22, 2015
Communication about intention to grant a European patent
Jul 22, 2015
Intention to grant (signatures)
Jul 22, 2015
Text intended for grant
Jan 15, 2015
(Electronic) Receipt
Jan 15, 2015
Amended description with annotations
Jan 15, 2015
Description
Jan 15, 2015
Letter accompanying subsequently filed items
Jan 15, 2015
Reply to communication from the Examining Division
Oct 8, 2014
Annex to the communication
Oct 8, 2014
Communication from the Examining Division
Feb 12, 2014
(Electronic) Receipt
Feb 12, 2014
Description
Feb 12, 2014
Letter accompanying subsequently filed items
Feb 12, 2014
Reply to communication from the Examining Division
Jan 3, 2014
Grant of extension of time limit (examination procedure)
Dec 19, 2013
(Electronic) Receipt
Dec 19, 2013
Letter accompanying subsequently filed items
Dec 19, 2013
Request for extension of time limit to communication from the Examining Division
Aug 19, 2013
Annex to the communication
Aug 19, 2013
Communication from the Examining Division
Mar 6, 2013
(Electronic) Receipt
Mar 6, 2013
Letter accompanying subsequently filed items
Mar 6, 2013
Reply to communication from the Examining Division
Feb 22, 2013
Letter relating to the automatic debiting procedure
Nov 6, 2012
Annex to the communication
Nov 6, 2012
Communication from the Examining Division
Apr 5, 2012
(Electronic) Receipt
Apr 5, 2012
Amended claims with annotations
Apr 5, 2012
Claims
Apr 5, 2012
Letter accompanying subsequently filed items
Apr 5, 2012
Reply to communication from the Examining Division
Mar 16, 2012
Grant of extension of time limit (examination procedure)
Mar 12, 2012
(Electronic) Receipt
Mar 12, 2012
Letter accompanying subsequently filed items
Mar 12, 2012
Request for extension of time limit to communication from the Examining Division
Jan 19, 2012
CDS Clean up - amended data concerning the representative for the applicant
Jan 13, 2012
Submission concerning representation
Nov 10, 2011
Annex to the communication
Nov 10, 2011
Communication from the Examining Division
Feb 18, 2011
(Electronic) Receipt
Feb 18, 2011
Letter accompanying subsequently filed items
Oct 20, 2010
Notification on forthcoming publication of bibliographic data
Oct 15, 2010
(Electronic) Receipt
Oct 15, 2010
Amended claims filed after receipt of (European) search report
Oct 15, 2010
Amendments received before examination
Oct 15, 2010
Letter accompanying subsequently filed items
Sep 17, 2010
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Aug 24, 2010
Copy of the international preliminary report on patentability
Aug 2, 2010
(Electronic) Receipt
Aug 2, 2010
Amended claims filed after receipt of (European) search report
Aug 2, 2010
Amended claims with annotations
Aug 2, 2010
Request for entry into the European phase
Jun 18, 2010
Information on entry into European phase
Sep 3, 2009
Priority document (electronically transmitted)
Aug 13, 2009
Copy of the international search report
Aug 13, 2009
Published international application - A1
Jun 4, 2009
Written opinion of the ISA, boxes No. I to VIII
Jun 4, 2009
Written opinion of the ISA, cover sheet
Jun 4, 2009
Written opinion of the ISA, supplemental box
May 14, 2009
Submission concerning representation
Mar 10, 2009
Abstract
Mar 10, 2009
Claims
Mar 10, 2009
Description
Mar 10, 2009
Description
Mar 10, 2009
Drawings

EP2250141

SAINT GOBAIN CENTRE DE RECHERCHES DETUDES EUROPEN

Application Number: EP09708679A
Filing Date: Feb 5, 2009
Status: Patent Maintained As Amended; Mar 15, 2019
Publication Date: Apr 17, 2019
External Links: Slate, Register , Google Patents