Lithium Silicate Glass Ceramic

Patent No. EP2261184 (titled "Lithium Silicate Glass Ceramic") was filed by Ivoclar Vivadent on Feb 2, 2006. The application was issued on May 31, 2017.

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	Dec 19, 2017	DOMPATENT VON KREISLER SELTING WERNER
VITA ZAHNFABRIK H RAUTER	Dec 19, 2017	DOMPATENT VON PATENT UND RECHTSANWALTEN

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

Get instant alerts for new documents

May 27, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 27, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 22, 2019
Termination of the opposition proceedings with maintenance of patent
Apr 4, 2019
Advice of delivery
Feb 15, 2019
(Electronic) Receipt
Feb 15, 2019
Acknowledgement of a document
Feb 15, 2019
Letter accompanying subsequently filed items
Feb 12, 2019
Acknowledgement of a document
Feb 12, 2019
Decision to discontinue the opposition proceedings
Feb 12, 2019
Notification concerning the date of oral proceedings
Dec 19, 2018
Brief communication - Opposition proceedings
Dec 19, 2018
Brief communication - Opposition proceedings
Dec 13, 2018
(Electronic) Receipt
Dec 13, 2018
Letter accompanying subsequently filed items
Dec 13, 2018
Withdrawal of an opposition
Oct 30, 2018
Advice of delivery
Oct 17, 2018
Advice of delivery
Oct 5, 2018
Advice of delivery
Oct 1, 2018
(Electronic) Receipt
Oct 1, 2018
Advice of delivery
Oct 1, 2018
Letter accompanying subsequently filed items
Sep 27, 2018
Acknowledgement of a document
Sep 27, 2018
Acknowledgement of a document
Sep 27, 2018
Annex to the communication - opposition
Sep 27, 2018
Information concerning oral proceedings
Sep 27, 2018
Information concerning oral proceedings
Sep 27, 2018
Preparation for oral proceedings
Sep 27, 2018
Summons to attend oral proceedings
Sep 27, 2018
Summons to attend oral proceedings
Jun 13, 2018
Brief communication - Opposition proceedings
May 28, 2018
(Electronic) Receipt
May 28, 2018
Letter regarding the opposition procedure (no time limit)
May 28, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 18, 2018
Brief communication - Opposition proceedings
Jan 18, 2018
Brief communication - Opposition proceedings
Jan 16, 2018
Communication of a notice of opposition and request to file observations
Jan 16, 2018
Notice of further oppositions to opponent(s)
Jan 15, 2018
(Electronic) Receipt
Jan 15, 2018
Letter accompanying subsequently filed items
Jan 15, 2018
Letter regarding the opposition procedure (no time limit)
Jan 3, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 19, 2017
(Electronic) Receipt
Dec 19, 2017
Non-patent literature cited during the opposition procedure
Dec 19, 2017
Non-patent literature cited during the opposition procedure
Dec 19, 2017
Non-patent literature cited during the opposition procedure
Dec 19, 2017
Non-patent literature cited during the opposition procedure
Dec 19, 2017
Non-patent literature cited during the opposition procedure
Dec 19, 2017
Notice of opposition
Dec 19, 2017
Notice of opposition
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Dec 19, 2017
Patent document cited during the opposition procedure
Apr 4, 2017
Rectification of designation of inventor (Legal Division)
Mar 22, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 14, 2017
(Electronic) Receipt
Mar 14, 2017
Letter accompanying subsequently filed items
Mar 14, 2017
Letter concerning the inventor
Feb 23, 2017
Decision to grant a European patent
Jan 27, 2017
(Electronic) Receipt
Jan 27, 2017
Filing of the translations of the claims
Jan 27, 2017
French translation of claims
Jan 27, 2017
German translation of the claims
Jan 27, 2017
Letter accompanying subsequently filed items
Jan 24, 2017
Bibliographic data of the European patent application
Jan 24, 2017
Communication about intention to grant a European patent
Jan 24, 2017
Intention to grant (signatures)
Jan 24, 2017
Text intended for grant (clean copy)
Jan 24, 2017
Text intended for grant (version for approval)
Dec 20, 2016
(Electronic) Receipt
Dec 20, 2016
Amended description with annotations
Dec 20, 2016
Description
Dec 20, 2016
Letter accompanying subsequently filed items
Dec 20, 2016
Reply to communication from the Examining Division
Apr 13, 2016
CDS Clean up - amended data concerning the representative of the applicant (Association)
Apr 1, 2016
Submission concerning representation
Sep 23, 2015
(Electronic) Receipt
Sep 23, 2015
Letter accompanying subsequently filed items
Sep 23, 2015
Non-patent literature cited during the examination procedure
Sep 23, 2015
Reply to communication from the Examining Division
May 13, 2015
Annex to the communication
May 13, 2015
Communication from the Examining Division
Feb 27, 2015
Transmittal of third party observations to applicant
Feb 19, 2015
Observations by third parties
Feb 19, 2015
Patent document filed by a Third party
Aug 14, 2012
(Electronic) Receipt
Aug 14, 2012
Amended description with annotations
Aug 14, 2012
Description
Aug 14, 2012
Letter accompanying subsequently filed items
Aug 14, 2012
Reply to communication from the Examining Division
Apr 5, 2012
Annex to the communication
Apr 5, 2012
Communication from the Examining Division
Nov 23, 2011
(Electronic) Receipt
Nov 23, 2011
Amended claims filed after receipt of (European) search report
Nov 23, 2011
Amended claims with annotations
Nov 23, 2011
Amendments received before examination
Nov 23, 2011
Citation for the examination procedure
Nov 23, 2011
Citation for the examination procedure
Nov 23, 2011
Letter accompanying subsequently filed items
Jun 29, 2011
Refund of fees
Jun 14, 2011
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 10, 2011
Communication regarding the transmission of the European search report
May 10, 2011
European search opinion
May 10, 2011
European search report
May 3, 2011
Modified abstract
Apr 4, 2011
Notice drawing attention to the payment of the renewal fee and additional fee
Nov 17, 2010
Notification of forthcoming publication
Oct 1, 2010
Abstract
Oct 1, 2010
Claims
Oct 1, 2010
Description
Oct 1, 2010
Designation of inventor
Oct 1, 2010
Letter concerning search matters
Oct 1, 2010
Request for grant of a European patent (divisional application)
Feb 14, 2006
Priority document
Feb 2, 2006
Priority document

EP2261184

IVOCLAR VIVADENT

Application Number: EP10013129A
Filing Date: Feb 2, 2006
Status: Granted And Under Opposition; Feb 17, 2017
Publication Date: May 31, 2017
External Links: Slate, Register , Google Patents

IP Verse

Lithium Silicate Glass Ceramic

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2261184