Lithium Silicate Glass Ceramic And Glass With Zro2 Content

Patent No. EP2664594 (titled "Lithium Silicate Glass Ceramic And Glass With Zro2 Content") was filed by Ivoclar Vivadent on Apr 18, 2011. The application was issued on Oct 28, 2020.

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
VITA ZAHNFABRIK H RAUTER	May 12, 2016	DOMPATENT VON KREISLER SELTING WERNER

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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Oct 1, 2020
Decision to maintain the European patent in amended form
Sep 25, 2020
Termination of the opposition proceedings with maintenance of patent
Sep 18, 2020
(Electronic) Receipt
Sep 18, 2020
English translation of the claims
Sep 18, 2020
Filing of the translation of the amended claims
Sep 18, 2020
French translation of claims
Sep 18, 2020
Letter accompanying subsequently filed items
Jul 10, 2020
Communication of bibliographic data
Jul 10, 2020
Communication with request to file translations
Jul 10, 2020
Druckexemplar in opposition procedure
Jun 30, 2020
Maintenance of the patent with the documents specified in the final decision
Jun 24, 2020
(Electronic) Receipt
Jun 24, 2020
Advice of delivery
Jun 24, 2020
Letter accompanying subsequently filed items
Jun 22, 2020
Advice of delivery
Jun 19, 2020
Acknowledgement of a document
Jun 19, 2020
Acknowledgement of a document
Jun 19, 2020
Decision of the Board of Appeal
Jun 19, 2020
F3032 Notification(s) of the decision
Jun 19, 2020
F3032 Notification(s) of the decision
Jun 2, 2020
F3013 Oral Proceedings: Forwarding minutes
Jun 2, 2020
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
May 13, 2020
(Electronic) Receipt
May 13, 2020
Letter accompanying subsequently filed items
May 13, 2020
Letter dealing with oral proceedings
May 11, 2020
(Electronic) Receipt
May 11, 2020
Letter accompanying subsequently filed items
May 11, 2020
Letter dealing with oral proceedings
May 7, 2020
(Electronic) Receipt
May 7, 2020
Letter accompanying subsequently filed items
May 7, 2020
Letter dealing with oral proceedings
Feb 4, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 26, 2019
Advice of delivery
Sep 23, 2019
Advice of delivery
Sep 19, 2019
F3011.1 Oral Proceedings: summons
Sep 19, 2019
F3011.1 Oral Proceedings: summons
Sep 17, 2019
F3010 Oral proceedings: order for summons
Sep 16, 2019
F3303.17 Change of the composition of the Board (T), in case Chairman is a legal member
Apr 1, 2019
Refund of fees
Mar 25, 2019
(Electronic) Receipt
Mar 25, 2019
Letter accompanying subsequently filed items
Mar 25, 2019
Reply to appeal
Mar 7, 2019
Composition of the board (T)
Dec 19, 2018
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Dec 19, 2018
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Dec 13, 2018
(Electronic) Receipt
Dec 13, 2018
Withdrawal of an opposition
Dec 13, 2018
Withdrawal of an opposition
Nov 13, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 13, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 7, 2018
(Electronic) Receipt
Nov 7, 2018
Claims
Nov 7, 2018
Claims
Nov 7, 2018
Claims
Nov 7, 2018
Claims
Nov 7, 2018
Letter accompanying subsequently filed items
Nov 7, 2018
Non-Patent Literature cited during the appeal procedure
Nov 7, 2018
Statement of grounds of appeal
Oct 31, 2018
(Electronic) Receipt
Oct 31, 2018
Letter accompanying subsequently filed items
Oct 31, 2018
Patent Document cited during the appeal procedure
Oct 31, 2018
Statement of grounds of appeal
Sep 26, 2018
Communication for party to proceedings/third party
Sep 26, 2018
Communication for party to proceedings/third party
Sep 3, 2018
F3204 Communication of the file number to the parties
Sep 3, 2018
F3204 Communication of the file number to the parties
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Letter accompanying subsequently filed items
Aug 28, 2018
Notice of appeal
Aug 21, 2018
F3204 Communication of the file number to the parties
Aug 21, 2018
F3204 Communication of the file number to the parties
Aug 16, 2018
Processing of an appeal
Aug 15, 2018
(Electronic) Receipt
Aug 15, 2018
Letter accompanying subsequently filed items
Aug 15, 2018
Notice of appeal
Jul 16, 2018
Brief communication - Opposition proceedings
Jul 11, 2018
(Electronic) Receipt
Jul 11, 2018
Letter accompanying subsequently filed items
Jul 11, 2018
Letter regarding the opposition procedure (no time limit)
Jul 5, 2018
Advice of delivery
Jul 5, 2018
Advice of delivery
Jul 4, 2018
Advice of delivery
Jul 2, 2018
Advice of delivery
Jun 27, 2018
Annex to the communication - opposition
Jun 27, 2018
Decision of the Opposition Division and instruction
Jun 27, 2018
Druckexemplar in opposition procedure
Jun 27, 2018
Grounds for the decision (Annex) - opposition
Jun 27, 2018
Interlocutory decision in opposition proceedings
Jun 27, 2018
Internal form - Opposition/addressees
Jun 27, 2018
Internal form - Opposition/addressees
Jun 27, 2018
Means of redress
Jun 27, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 27, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 27, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 27, 2018
Provision of a copy of the minutes - opposition procedure
Jun 27, 2018
Scanned annex to a communication - opposition procedure
Jun 27, 2018
Scanned annex to a communication - opposition procedure
Nov 10, 2017
Information about the result of oral proceedings
Nov 6, 2017
Brief communication - Opposition proceedings
Nov 6, 2017
Brief communication - Opposition proceedings
Oct 26, 2017
Non-scannable object
Oct 26, 2017
Non-scannable object
Oct 26, 2017
Written submission in preparation to/during oral proceedings
Oct 13, 2017
Brief communication - Opposition proceedings
Oct 12, 2017
Brief communication - Opposition proceedings
Oct 10, 2017
Brief communication - Opposition proceedings
Oct 9, 2017
(Electronic) Receipt
Oct 9, 2017
(Electronic) Receipt
Oct 9, 2017
Letter accompanying subsequently filed items
Oct 9, 2017
Patent document cited during the examination procedure
Oct 9, 2017
Written submission in preparation to/during oral proceedings
Oct 9, 2017
Written submission in preparation to/during oral proceedings
Oct 9, 2017
Written submission in preparation to/during oral proceedings
Oct 5, 2017
(Electronic) Receipt
Oct 5, 2017
(Electronic) Receipt
Oct 5, 2017
Letter accompanying subsequently filed items
Oct 5, 2017
Letter accompanying subsequently filed items
Oct 5, 2017
Non-patent literature cited during the opposition procedure
Oct 5, 2017
Non-patent literature cited during the opposition procedure
Oct 5, 2017
Written submission in preparation to/during oral proceedings
Oct 5, 2017
Written submission in preparation to/during oral proceedings
Sep 7, 2017
Brief communication - Opposition proceedings
Sep 4, 2017
(Electronic) Receipt
Sep 4, 2017
Letter accompanying subsequently filed items
Sep 4, 2017
Letter dealing with oral proceedings
Aug 31, 2017
(Electronic) Receipt
Aug 31, 2017
Request for interpreters during oral proceedings
Aug 31, 2017
Written submission in preparation to/during oral proceedings
Feb 13, 2017
Advice of delivery
Feb 10, 2017
Advice of delivery
Feb 9, 2017
Advice of delivery
Feb 9, 2017
Advice of delivery
Feb 8, 2017
Annex to the communication - opposition
Feb 8, 2017
Information concerning oral proceedings
Feb 8, 2017
Preparation for oral proceedings
Feb 8, 2017
Summons to attend oral proceedings
Feb 8, 2017
Summons to attend oral proceedings
Nov 17, 2016
Brief communication - Opposition proceedings
Oct 31, 2016
(Electronic) Receipt
Oct 31, 2016
Letter regarding the opposition procedure (no time limit)
Oct 31, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jul 28, 2016
Brief communication - Opposition proceedings
Jul 28, 2016
Brief communication - Opposition proceedings
Jul 21, 2016
Letter regarding the opposition procedure (no time limit)
Jun 20, 2016
Communication of a notice of opposition and request to file observations
Jun 20, 2016
Notice of further oppositions to opponent(s)
May 27, 2016
Communication of a notice of opposition - first information to patent proprietor
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Non-patent literature cited during the opposition procedure
May 13, 2016
Notice of opposition
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Patent document cited during the opposition procedure
May 13, 2016
Payment of fees and costs
May 12, 2016
Abstract
May 12, 2016
Drawings
May 12, 2016
Letter regarding the opposition procedure (no time limit)
May 12, 2016
Letter regarding the opposition procedure (no time limit)
May 12, 2016
Non-patent literature cited during the examination procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Payment of fees and costs
Apr 13, 2016
CDS Clean up - amended data concerning the representative of the applicant (Association)
Apr 1, 2016
Submission concerning representation
Aug 13, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 16, 2015
Decision to grant a European patent
Jul 1, 2015
(Electronic) Receipt
Jul 1, 2015
English translation of the claims
Jul 1, 2015
Filing of the translations of the claims
Jul 1, 2015
French translation of claims
Jul 1, 2015
Letter accompanying subsequently filed items
Jun 26, 2015
Bibliographic data of the European patent application
Jun 26, 2015
Communication about intention to grant a European patent
Jun 26, 2015
Intention to grant (signatures)
Jun 26, 2015
Text intended for grant
Jun 2, 2015
Response to enquiry for communication from the Examining Division
May 27, 2015
(Electronic) Receipt
May 27, 2015
Enquiry as to when a communication from the Examining Division can be expected
May 27, 2015
Letter accompanying subsequently filed items
Sep 17, 2014
(Electronic) Receipt
Sep 17, 2014
Letter accompanying subsequently filed items
Sep 17, 2014
Reply to communication from the Examining Division
May 7, 2014
Annex to the communication
May 7, 2014
Communication from the Examining Division
Nov 27, 2013
(Electronic) Receipt
Nov 27, 2013
Amended claims filed after receipt of (European) search report
Nov 27, 2013
Amended claims with annotations
Nov 27, 2013
Amended description filed after receipt of (European) search report
Nov 27, 2013
Amended description with annotations
Nov 27, 2013
Amendments received before examination
Nov 27, 2013
Letter accompanying subsequently filed items
Nov 25, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 6, 2013
Refund of fees
Oct 23, 2013
Notification of forthcoming publication
Oct 22, 2013
Communication regarding the transmission of the European search report
Oct 22, 2013
European search opinion
Oct 22, 2013
European search report
Oct 2, 2013
Communication to designated inventor
Oct 2, 2013
Communication to designated inventor
Oct 2, 2013
Communication to designated inventor
Oct 2, 2013
Communication to designated inventor
Oct 2, 2013
Communication to designated inventor
Oct 2, 2013
Communication to designated inventor
Oct 2, 2013
Search started
Sep 13, 2013
Information relating to the filing of a voluntary divisional application
Sep 2, 2013
Priority search results copy provided by EPO
Aug 9, 2013
Abstract
Aug 9, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 9, 2013
Claims
Aug 9, 2013
Description
Aug 9, 2013
Designation of inventor
Aug 9, 2013
Designation of inventor
Aug 9, 2013
Designation of inventor
Aug 9, 2013
Designation of inventor
Aug 9, 2013
Designation of inventor
Aug 9, 2013
Designation of inventor
Aug 9, 2013
Drawings
Aug 9, 2013
Request for grant of a European patent
Jun 20, 2011
Priority document (electronically transmitted)

EP2664594

IVOCLAR VIVADENT

Application Number: EP13179987A
Filing Date: Apr 18, 2011
Status: Patent Maintained As Amended; Sep 25, 2020
Publication Date: Oct 28, 2020
External Links: Slate, Register , Google Patents

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Lithium Silicate Glass Ceramic And Glass With Zro2 Content

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Dossier Documents

EP2664594