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The patent EP2282978 was granted to James R Glidewell Dental Ceramics on Sep 19, 2018. The application was filed on Apr 10, 2009 under application number EP09730854A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| IVOCLAR VIVADENT | Jun 19, 2019 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004197738 |
| INTERNATIONAL-SEARCH-REPORT | US2006194895 |
| INTERNATIONAL-SEARCH-REPORT | US4992297 |
| INTERNATIONAL-SEARCH-REPORT | US5290371 |
| INTERNATIONAL-SEARCH-REPORT | US6514893 |
| OPPOSITION | EP1505041 |
| OPPOSITION | EP1688398 |
| SEARCH | EP2792649 |
| SEARCH | JP2006208985 |
| SEARCH | US2007042889 |
| SEARCH | US2007262702 |
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.
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Reply to appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Oct 1, 2018
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Decision to grant a European patent
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Aug 7, 2018
(Electronic) Receipt
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Aug 7, 2018
Filing of the translations of the claims
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Aug 7, 2018
French translation of claims
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Aug 7, 2018
German translation of the claims
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Aug 7, 2018
Letter accompanying subsequently filed items
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May 9, 2018
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Intention to grant (signatures)
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May 9, 2018
Text intended for grant (clean copy)
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May 9, 2018
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(Electronic) Receipt
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Apr 23, 2018
Description
Search/Exam
Apr 23, 2018
Letter accompanying subsequently filed items
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Apr 23, 2018
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Intention to grant (signatures)
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Jan 16, 2018
Text intended for grant (clean copy)
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Observations by third parties
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Observations by third parties
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Observations by third parties
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Dec 6, 2017
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(Electronic) Receipt
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Nov 13, 2017
Amended claims with annotations
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Amended description with annotations
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Nov 13, 2017
Claims
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Nov 13, 2017
Description
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Nov 13, 2017
Letter accompanying subsequently filed items
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Nov 13, 2017
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Advice of delivery
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May 9, 2017
Acknowledgement of a document
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Annex to the communication
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May 9, 2017
Preparation for oral proceedings
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Summons to attend oral proceedings
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Summons to attend oral proceedings
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Observations by third parties
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Observations by third parties
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Jul 21, 2016
(Electronic) Receipt
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Jul 21, 2016
Amended claims with annotations
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Jul 21, 2016
Amended description with annotations
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Jul 21, 2016
Claims
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Jul 21, 2016
Description
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Jul 21, 2016
Letter accompanying subsequently filed items
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Jul 21, 2016
May 25, 2016
May 17, 2016
(Electronic) Receipt
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May 17, 2016
Letter accompanying subsequently filed items
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May 17, 2016
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Annex to the communication
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Jan 21, 2016
Communication from the Examining Division
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Jan 15, 2016
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Observations by third parties
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Jan 12, 2016
Patent document filed by a Third party
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Jan 6, 2016
Observations by third parties
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Jan 6, 2016
Observations by third parties
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Dec 17, 2015
Examination started
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Nov 18, 2015
(Electronic) Receipt
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Nov 18, 2015
Letter accompanying subsequently filed items
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Nov 18, 2015
Maintenance of the application
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Jul 14, 2015
Jun 25, 2015
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European search opinion
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Jun 25, 2015
Supplementary European search report
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Jun 2, 2015
Search started
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Sep 10, 2014
Submission concerning representation
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Jun 29, 2012
Submission concerning representation
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Jun 4, 2012
Oct 31, 2011
(Electronic) Receipt
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Oct 31, 2011
Letter accompanying subsequently filed items
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Oct 31, 2011
Letter concerning fees and payments
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Jun 7, 2011
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Dec 14, 2010
Nov 9, 2010
(Electronic) Receipt
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Nov 9, 2010
Request for entry into the European phase
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Oct 29, 2010
Aug 20, 2010
Information on entry into European phase
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Jan 22, 2010
Jan 22, 2010
Oct 15, 2009
Copy of the international search report
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Oct 15, 2009
Published international application - A1
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