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The patent EP2599459 was granted to Heraeus Kulzer on May 10, 2023. The application was filed on Apr 27, 2012 under application number EP12165982A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| BEGO BREMER GOLDSCHLAGEREI WILH HERBST | Apr 18, 2019 | EISENFUHR SPEISER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2009081616 |
| OPPOSITION | DE102008031925 |
| OPPOSITION | DE102008060860 |
| OPPOSITION | EP1358855 |
| OPPOSITION | EP2289652 |
| OPPOSITION | EP2637598 |
| OPPOSITION | US2004031780 |
| OPPOSITION | US2008241798 |
| OPPOSITION | US2009072447 |
| OPPOSITION | US2009081616 |
| OPPOSITION | WO2004075771 |
| OPPOSITION | WO2006079188 |
| OPPOSITION | WO2009055211 |
| OPPOSITION | WO2009068559 |
| OPPOSITION | WO2011045451 |
| OPPOSITION | WO2012064257 |
| SEARCH | EP2289652 |
| SEARCH | EP2292357 |
| SEARCH | US2010152873 |
| SEARCH | WO2012064257 |
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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Apr 14, 2023
Apr 14, 2023
Apr 11, 2023
Apr 4, 2023
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Feb 1, 2023
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Feb 1, 2023
Jan 31, 2023
Refund of fees
Search/Exam
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 13, 2023
Jan 10, 2023
Jan 6, 2023
(Electronic) Receipt
Appeal
Jan 6, 2023
Jan 6, 2023
Withdrawal of an appeal
Appeal
Oct 24, 2022
Apr 1, 2022
Mar 11, 2022
(Electronic) Receipt
Appeal
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Claims
Appeal
Mar 11, 2022
Claims
Appeal
Mar 11, 2022
Claims
Appeal
Mar 11, 2022
Mar 11, 2022
Reply to appeal
Appeal
Dec 3, 2021
Nov 24, 2021
(Electronic) Receipt
Appeal
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
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Oct 5, 2021
Oct 5, 2021
Sep 24, 2021
(Electronic) Receipt
Appeal
Sep 24, 2021
Sep 24, 2021
Notice of appeal
Appeal
Jul 16, 2021
Jul 15, 2021
Jul 14, 2021
Jul 14, 2021
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Means of redress
OPPO
Jul 14, 2021
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Jul 30, 2018
Jun 21, 2018
Decision to grant a European patent
Search/Exam
Jun 7, 2018
(Electronic) Receipt
Search/Exam
Jun 7, 2018
Filing of the translations of the claims
Search/Exam
Jun 7, 2018
French translation of claims
Search/Exam
Jun 7, 2018
German translation of the claims
Search/Exam
Jun 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2018
Mar 6, 2018
Mar 6, 2018
Intention to grant (signatures)
Search/Exam
Mar 6, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 6, 2018
Nov 23, 2017
(Electronic) Receipt
Search/Exam
Nov 23, 2017
Amended claims with annotations
Search/Exam
Nov 23, 2017
Claims
Search/Exam
Nov 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2017
Aug 23, 2017
Aug 21, 2017
Aug 17, 2017
Aug 8, 2017
Annex to the communication
Search/Exam
Aug 8, 2017
Communication from the Examining Division
Search/Exam
Aug 1, 2017
Examination started
Search/Exam
May 16, 2017
Sep 12, 2016
Mar 18, 2015
Mar 17, 2015
Communication to designated inventor
Search/Exam
Mar 10, 2015
(Electronic) Receipt
Search/Exam
Mar 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 10, 2015
Letter concerning the inventor
Search/Exam
Aug 22, 2013
(Electronic) Receipt
Search/Exam
Aug 22, 2013
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2013
Jul 8, 2013
Jun 25, 2013
(Electronic) Receipt
Search/Exam
Jun 25, 2013
Jun 25, 2013
Amended claims with annotations
Search/Exam
Jun 25, 2013
Amendments received before examination
Search/Exam
Jun 25, 2013
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2013
May 31, 2013
May 8, 2013
Notification of forthcoming publication
Search/Exam
Mar 27, 2013
(Electronic) Receipt
Search/Exam
Mar 27, 2013
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2013
Priority document
Search/Exam
Mar 15, 2013
Mar 15, 2013
European search opinion
Search/Exam
Mar 15, 2013
European search report
Search/Exam
Sep 12, 2012
Communication to designated inventor
Search/Exam
Aug 30, 2012
Letter concerning the inventor
Search/Exam
Jul 13, 2012
Jul 10, 2012
Letter which had not been notified
Search/Exam
May 23, 2012
Authorisation
Search/Exam
May 23, 2012
Matter concerning the application
Search/Exam
May 16, 2012
(Electronic) Receipt
Search/Exam
May 16, 2012
Authorisation
Search/Exam
May 16, 2012
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2012
Abstract
Search/Exam
Apr 27, 2012
Apr 27, 2012
Claims
Search/Exam
Apr 27, 2012
Description
Search/Exam
Apr 27, 2012
Designation of inventor
Search/Exam
Apr 27, 2012
Designation of inventor
Search/Exam
Apr 27, 2012
Designation of inventor
Search/Exam
Apr 27, 2012
Drawings
Search/Exam
Apr 27, 2012
Request for grant of a European patent
Search/Exam