Lithium Disilicate Glass Ceramics, Method For The Production Thereof And Use Thereof

Patent No. EP2516342 (titled "Lithium Disilicate Glass Ceramics, Method For The Production Thereof And Use Thereof") was filed by Degudent on Dec 23, 2010. The application was issued on May 18, 2016.

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
IVOCLAR VIVADENT	Feb 20, 2017	UEXKULL & STOLBERG

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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Nov 8, 2022
Decision of the Board of Appeal
Nov 8, 2022
F3032 Notification(s) of the decision
Nov 8, 2022
F3032 Notification(s) of the decision
Nov 8, 2022
Termination of the opposition proceedings with maintenance of patent
Sep 27, 2022
F3013 Oral Proceedings: Forwarding minutes
Sep 27, 2022
F3013 Oral Proceedings: Forwarding minutes
Sep 27, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 15, 2022
F3345 Forwarding of submissions to parties
Sep 14, 2022
(Electronic) Receipt
Sep 14, 2022
Letter accompanying subsequently filed items
Sep 14, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 14, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 7, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 7, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 7, 2022
Oral proceedings: change of venue
Sep 7, 2022
Oral proceedings: change of venue
Aug 26, 2022
F3345 Forwarding of submissions to parties
Aug 24, 2022
(Electronic) Receipt
Aug 24, 2022
F3345 Forwarding of submissions to parties
Aug 24, 2022
Letter accompanying subsequently filed items
Aug 24, 2022
Letter dealing with oral proceedings
Aug 22, 2022
(Electronic) Receipt
Aug 22, 2022
Letter accompanying subsequently filed items
Aug 22, 2022
Letter dealing with oral proceedings during the appeal procedure
Mar 11, 2022
Letter accompanying subsequently filed items
Mar 11, 2022
Submission concerning change of applicant's name
Sep 28, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 28, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 24, 2021
Advice of delivery
Jun 23, 2021
Advice of delivery
Jun 18, 2021
F3011.1 Oral Proceedings: summons
Jun 18, 2021
F3011.1 Oral Proceedings: summons
Jun 15, 2021
F3010 Oral proceedings: order for summons
Jun 15, 2021
F3303.16 Change of composition of the Board (T)
Feb 3, 2020
Composition of the board (T)
Jan 13, 2020
F3345 Forwarding of submissions to parties
Dec 30, 2019
Reply to appeal
Dec 23, 2019
Reply to appeal
Aug 23, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 19, 2019
(Electronic) Receipt
Aug 19, 2019
Annexes (other than cited documents) regarding appeal procedure
Aug 19, 2019
Letter accompanying subsequently filed items
Aug 19, 2019
Statement of grounds of appeal
Jun 11, 2019
F3204 Communication of the file number to the parties
Jun 11, 2019
F3204 Communication of the file number to the parties
Jun 5, 2019
Processing of an appeal
Jun 4, 2019
(Electronic) Receipt
Jun 4, 2019
Letter accompanying subsequently filed items
Jun 4, 2019
Notice of appeal
May 22, 2019
Advice of delivery
Apr 24, 2019
Advice of delivery
Apr 15, 2019
Advice of delivery
Apr 10, 2019
(Electronic) Receipt
Apr 10, 2019
Advice of delivery
Apr 10, 2019
Letter accompanying subsequently filed items
Apr 8, 2019
Acknowledgement of a document
Apr 8, 2019
Acknowledgement of a document
Apr 8, 2019
Decision of the Opposition Division and instruction
Apr 8, 2019
Decision rejecting the opposition
Apr 8, 2019
Grounds for the decision (Annex) - opposition
Apr 8, 2019
Internal form - Opposition/addressees
Apr 8, 2019
Means of redress
Apr 5, 2019
Annex to the communication - opposition
Apr 5, 2019
Internal form - Opposition/addressees
Apr 5, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 5, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 5, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 5, 2019
Provision of a copy of the minutes - opposition procedure
Mar 19, 2019
Information about the result of oral proceedings
Jan 30, 2019
Brief communication - Opposition proceedings
Jan 21, 2019
Brief communication - Opposition proceedings
Jan 19, 2019
(Electronic) Receipt
Jan 19, 2019
Letter accompanying subsequently filed items
Jan 19, 2019
Written submission in preparation to/during oral proceedings
Jan 16, 2019
Written submission in preparation to/during oral proceedings
Jan 15, 2019
Written submission in preparation to/during oral proceedings
Jul 30, 2018
Advice of delivery
Jul 26, 2018
Advice of delivery
Jul 5, 2018
Advice of delivery
Jun 27, 2018
Advice of delivery
Jun 25, 2018
Acknowledgement of a document
Jun 25, 2018
Acknowledgement of a document
Jun 25, 2018
Information concerning oral proceedings
Jun 25, 2018
Information concerning oral proceedings
Jun 25, 2018
Notification concerning the date of oral proceedings
Jun 25, 2018
Notification concerning the date of oral proceedings
Jun 25, 2018
Summons to attend oral proceedings
Jun 25, 2018
Summons to attend oral proceedings
Jun 19, 2018
Information about the result of oral proceedings
Apr 9, 2018
Advice of delivery
Mar 29, 2018
Brief communication - Opposition proceedings
Mar 28, 2018
Advice of delivery
Mar 27, 2018
Advice of delivery
Mar 26, 2018
(Electronic) Receipt
Mar 26, 2018
Advice of delivery
Mar 26, 2018
Any annexes (other than citation) to an opposition letter
Mar 26, 2018
Any annexes (other than citation) to an opposition letter
Mar 26, 2018
Letter accompanying subsequently filed items
Mar 26, 2018
Oral proceedings: reply to date proposed
Mar 20, 2018
Acknowledgement of a document
Mar 20, 2018
Acknowledgement of a document
Mar 20, 2018
Annex to the communication - opposition
Mar 20, 2018
Information concerning oral proceedings
Mar 20, 2018
Information concerning oral proceedings
Mar 20, 2018
Preparation for oral proceedings
Mar 20, 2018
Summons to attend oral proceedings
Mar 20, 2018
Summons to attend oral proceedings
Sep 4, 2017
Brief communication - Opposition proceedings
Aug 31, 2017
Non-patent literature cited during the opposition procedure
Aug 31, 2017
Non-patent literature cited during the opposition procedure
Aug 31, 2017
Reply of the patent proprietor to the notice(s) of opposition
Aug 29, 2017
Non-patent literature cited during the opposition procedure
Aug 29, 2017
Non-patent literature cited during the opposition procedure
Aug 29, 2017
Reply of the patent proprietor to the notice(s) of opposition
Aug 10, 2017
Brief communication - Opposition proceedings
Aug 10, 2017
Rejection of request for extension of time limit
Aug 3, 2017
Request for extension of time limit
Aug 3, 2017
Request for extension of time limit
Apr 19, 2017
Communication of a notice of opposition and request to file observations
Apr 19, 2017
Notice of further oppositions to opponent(s)
Feb 28, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 20, 2017
(Electronic) Receipt
Feb 20, 2017
Notice of opposition
Feb 20, 2017
Notice of opposition
Feb 20, 2017
Patent document cited during the opposition procedure
Feb 20, 2017
Patent document cited during the opposition procedure
Feb 20, 2017
Patent document cited during the opposition procedure
Feb 20, 2017
Patent document cited during the opposition procedure
Feb 20, 2017
Patent document cited during the opposition procedure
Feb 20, 2017
Patent document cited during the opposition procedure
May 18, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 21, 2016
Decision to grant a European patent
Mar 31, 2016
English translation of the claims
Mar 31, 2016
English translation of the claims
Mar 31, 2016
Filing of the translations of the claims
Mar 31, 2016
Filing of the translations of the claims
Mar 31, 2016
French translation of claims
Mar 31, 2016
French translation of claims
Mar 31, 2016
Payment of fees and costs
Mar 31, 2016
Payment of fees and costs
Mar 31, 2016
Payment of fees and costs
Dec 23, 2015
Submission concerning representation
Dec 22, 2015
Bibliographic data of the European patent application
Dec 22, 2015
Communication about intention to grant a European patent
Dec 22, 2015
Intention to grant (signatures)
Dec 22, 2015
Text intended for grant
Dec 17, 2015
Annex to a communication
Dec 17, 2015
Annex to the communication
Dec 17, 2015
Minutes of the oral proceedings (examining division)
Dec 17, 2015
Minutes of the oral proceedings (examining division)
Dec 17, 2015
Minutes of the oral proceedings (examining division)
Dec 17, 2015
Provision of a copy of the minutes of oral proceedings
Dec 17, 2015
Submission concerning representation
Dec 8, 2015
Transmittal of third party observations to applicant
Dec 2, 2015
Observations by third parties
Dec 2, 2015
Observations by third parties
Dec 2, 2015
Observations by third parties
Nov 26, 2015
Notification concerning the date of oral proceedings
Nov 19, 2015
Findings upon submissions relating to oral proceedings
Nov 9, 2015
Findings upon submissions relating to oral proceedings
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Amended claims with annotations
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Claims
Nov 3, 2015
Letter dealing with oral proceedings
Nov 3, 2015
Letter dealing with oral proceedings
Nov 3, 2015
Non-patent literature cited during the examination procedure
Nov 3, 2015
Non-patent literature cited during the examination procedure
Nov 3, 2015
Non-patent literature cited during the examination procedure
Nov 3, 2015
Non-patent literature cited during the examination procedure
Nov 3, 2015
Non-patent literature cited during the examination procedure
Nov 3, 2015
Non-patent literature cited during the examination procedure
Nov 3, 2015
Patent document cited during the examination procedure
Nov 3, 2015
Patent document cited during the examination procedure
Jun 8, 2015
Advice of delivery
Jun 2, 2015
Advice of delivery
May 27, 2015
Acknowledgement of a document
May 27, 2015
Annex to the communication
May 27, 2015
Preparation for oral proceedings
May 27, 2015
Summons to attend oral proceedings
Feb 16, 2015
Transmittal of third party observations to applicant
Jan 23, 2015
Citation filed by a third party
Jan 23, 2015
Observations by third parties
Jan 20, 2015
Transmittal of third party observations to applicant
Jan 13, 2015
Observations by third parties
Aug 26, 2014
Submission concerning representation
Aug 25, 2014
Submission concerning representation
Aug 14, 2014
Amended claims with annotations
Aug 14, 2014
Amended claims with annotations
Aug 14, 2014
Amended claims with annotations
Aug 14, 2014
Amended claims with annotations
Aug 14, 2014
Claims
Aug 14, 2014
Claims
Aug 14, 2014
Claims
Aug 14, 2014
Claims
Aug 14, 2014
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Aug 14, 2014
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jul 11, 2014
Amended claims with annotations
Jul 11, 2014
Amended claims with annotations
Jul 11, 2014
Claims
Jul 11, 2014
Claims
Jul 11, 2014
Reply to communication from the Examining Division
Jul 7, 2014
Amended claims with annotations
Jul 7, 2014
Amended claims with annotations
Jul 7, 2014
Claims
Jul 7, 2014
Claims
Jul 7, 2014
Reply to communication from the Examining Division
Jul 2, 2014
Annex to the communication
Jul 2, 2014
Communication from the Examining Division
Jul 1, 2014
Brief communication to applicant/representative
Jun 26, 2014
Examination started
Jan 13, 2014
Notice on debiting of fees
Jul 1, 2013
General enquiry
May 28, 2013
General enquiry
May 27, 2013
General enquiry
May 16, 2013
Transmittal of third party observations to applicant
May 6, 2013
Observations by third parties
May 6, 2013
Patent document filed by a Third party
May 6, 2013
Patent document filed by a Third party
May 6, 2013
Patent document filed by a Third party
Jan 16, 2013
Amended description filed after receipt of (European) search report
Jan 16, 2013
Amended description with annotations
Jan 16, 2013
Amendments received before examination
Oct 15, 2012
Communication to designated inventor
Oct 4, 2012
Notification on forthcoming publication of bibliographic data
Oct 2, 2012
Letter concerning the inventor
Aug 24, 2012
Invitation to indicate correct address of inventor
Aug 16, 2012
Letter which had not been notified
Aug 16, 2012
Refund order of filing/examination fee
Aug 10, 2012
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 11, 2012
(Electronic) Receipt
Jul 11, 2012
Request for entry into the European phase
Jul 3, 2012
Annexes to the international preliminary examination report
Jul 3, 2012
Annexes to the international preliminary examination report
Jul 3, 2012
Copy of the international preliminary examination report
May 4, 2012
Information on entry into European phase
Mar 28, 2012
Annex to International preliminary examination report
Mar 28, 2012
International preliminary examination report
Mar 28, 2012
International preliminary examination report
Mar 28, 2012
International preliminary examination report - free text sheet
Mar 28, 2012
International preliminary examination report - free text sheet
Mar 28, 2012
International preliminary examination report - points I-VIII
Mar 28, 2012
International preliminary examination report - points I-VIII
Mar 28, 2012
Notification of documents sent to WIPO
Mar 28, 2012
Transmittal of International Preliminary Examination Report
Feb 28, 2012
Non-patent literature cited during the examination procedure
Feb 28, 2012
PCT(IPEA): Amended sheet - claims
Feb 28, 2012
PCT(IPEA): Amended sheet - claims
Feb 28, 2012
Reply to communication PCT/IPEA/408
Dec 28, 2011
Written opinion
Dec 28, 2011
Written opinion - free text sheet
Dec 28, 2011
Written opinion - points I-VIII
Oct 24, 2011
Non-patent literature cited during the examination procedure
Oct 24, 2011
PCT(IPEA): Amended sheet - claims
Oct 24, 2011
PCT(IPEA): Amended sheet - claims
Oct 5, 2011
Letter regarding PCTII procedure
Oct 5, 2011
Notification of election of EPO
Sep 19, 2011
Free text
Sep 15, 2011
Notification of documents sent to WIPO
Sep 15, 2011
Notification of receipt of demand
Sep 2, 2011
PCT demand form
Aug 25, 2011
Republication of front page of international application with corrected bibliographic data
Jul 21, 2011
Priority document (electronically transmitted)
Jul 19, 2011
Communication in cases for which no other form is applicable
Jul 19, 2011
Communication in cases for which no other form is applicable
Jun 30, 2011
Copy of the international search report
Jun 30, 2011
Published international application - A1
Mar 28, 2011
Written opinion of the ISA, boxes No. I to VIII
Mar 28, 2011
Written opinion of the ISA, cover sheet
Mar 28, 2011
Written opinion of the ISA, supplemental box
Dec 23, 2010
Abstract
Dec 23, 2010
Claims
Dec 23, 2010
Description

EP2516342

DEGUDENT

Application Number: EP10796296A
Filing Date: Dec 23, 2010
Status: Opposition Rejected; Nov 11, 2022
Publication Date: May 18, 2016
External Links: Slate, Register , Google Patents

IP Verse

Lithium Disilicate Glass Ceramics, Method For The Production Thereof And Use Thereof

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2516342