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The patent EP3539504 was granted to Nobel Biocare Services on Aug 23, 2023. The application was filed on May 23, 2004 under application number EP18209801A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| STRAUMANN HOLDING STRAUMANN | Aug 23, 2023 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3797113 |
| DESCRIPTION | US3849887 |
| DESCRIPTION | US4932868 |
| DESCRIPTION | US5007835 |
| DESCRIPTION | US5427527 |
| DESCRIPTION | US5435723 |
| DESCRIPTION | US5527183 |
| DESCRIPTION | US5628630 |
| DESCRIPTION | US5897319 |
| DESCRIPTION | US6402515 |
| EXAMINATION | RO110899 |
| EXAMINATION | US6135772 |
| OPPOSITION | EP0282789 |
| OPPOSITION | EP0819410 |
| OPPOSITION | US5601429 |
| OPPOSITION | US5727943 |
| OPPOSITION | US5816812 |
| OPPOSITION | WO9917676 |
| SEARCH | DE10238091 |
| SEARCH | EP0819410 |
| SEARCH | JP2003038522 |
| SEARCH | US4863383 |
| SEARCH | US5674072 |
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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Mar 26, 2025
Mar 26, 2025
Dec 19, 2024
Dec 19, 2024
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Dec 19, 2024
Dec 19, 2024
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Dec 19, 2024
Means of redress
OPPO
Jun 9, 2024
Jun 5, 2024
Jun 5, 2024
Sep 5, 2023
Aug 29, 2023
Aug 23, 2023
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Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Jul 27, 2023
Decision to grant a European patent
Search/Exam
Jul 12, 2023
(Electronic) Receipt
Search/Exam
Jul 12, 2023
Filing of the translations of the claims
Search/Exam
Jul 12, 2023
French translation of claims
Search/Exam
Jul 12, 2023
German translation of the claims
Search/Exam
May 10, 2023
May 10, 2023
May 5, 2023
(Electronic) Receipt
Search/Exam
May 5, 2023
Letter accompanying subsequently filed items
Search/Exam
May 5, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Intention to grant (signatures)
Search/Exam
Apr 4, 2023
Text intended for grant (clean copy)
Search/Exam
Apr 4, 2023
Mar 15, 2023
Annex to the communication
Search/Exam
Mar 15, 2023
Consultation by telephone/in person
Search/Exam
Mar 15, 2023
Mar 13, 2023
Mar 10, 2023
(Electronic) Receipt
Search/Exam
Mar 10, 2023
Amended claims with annotations
Search/Exam
Mar 10, 2023
Amended description with annotations
Search/Exam
Mar 10, 2023
Claims
Search/Exam
Mar 10, 2023
Description
Search/Exam
Mar 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 10, 2023
Mar 7, 2023
Mar 7, 2023
Mar 2, 2023
(Electronic) Receipt
Search/Exam
Mar 2, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2023
Mar 2, 2023
Dec 19, 2022
(Electronic) Receipt
Search/Exam
Dec 19, 2022
Amended claims with annotations
Search/Exam
Dec 19, 2022
Amended claims with annotations
Search/Exam
Dec 19, 2022
Amended claims with annotations
Search/Exam
Dec 19, 2022
Amended description with annotations
Search/Exam
Dec 19, 2022
Claims
Search/Exam
Dec 19, 2022
Claims
Search/Exam
Dec 19, 2022
Claims
Search/Exam
Dec 19, 2022
Description
Search/Exam
Dec 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2022
Aug 16, 2022
Annex to the communication
Search/Exam
Aug 16, 2022
Summons to attend oral proceedings
Search/Exam
Apr 7, 2022
Mar 31, 2022
Observations by third parties
Search/Exam
Feb 21, 2022
(Electronic) Receipt
Search/Exam
Feb 21, 2022
Amended claims with annotations
Search/Exam
Feb 21, 2022
Claims
Search/Exam
Feb 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2022
Feb 1, 2022
Jan 27, 2022
(Electronic) Receipt
Search/Exam
Jan 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2022
Nov 18, 2021
Annex to the communication
Search/Exam
Nov 18, 2021
Nov 18, 2021
Jul 21, 2021
(Electronic) Receipt
Search/Exam
Jul 21, 2021
Amended claims with annotations
Search/Exam
Jul 21, 2021
Amended description with annotations
Search/Exam
Jul 21, 2021
Claims
Search/Exam
Jul 21, 2021
Description
Search/Exam
Jul 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2021
May 20, 2021
May 17, 2021
(Electronic) Receipt
Search/Exam
May 17, 2021
Letter accompanying subsequently filed items
Search/Exam
May 17, 2021
Jan 18, 2021
Annex to the communication
Search/Exam
Jan 18, 2021
Communication from the Examining Division
Search/Exam
Dec 10, 2020
Examination started
Search/Exam
Nov 27, 2020
(Electronic) Receipt
Search/Exam
Nov 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2020
Sep 24, 2020
Sep 23, 2020
Decision to allow further processing
Search/Exam
Sep 7, 2020
(Electronic) Receipt
Search/Exam
Sep 7, 2020
Sep 7, 2020
Amended claims with annotations
Search/Exam
Sep 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2020
Request for further processing
Search/Exam
Jun 26, 2020
Sep 23, 2019
Aug 21, 2019
Notification of forthcoming publication
Search/Exam
Aug 19, 2019
Refund of fees
Search/Exam
Aug 13, 2019
Aug 13, 2019
European search opinion
Search/Exam
Aug 13, 2019
European search report
Search/Exam
Aug 13, 2019
Information on Search Strategy
Search/Exam
Aug 1, 2019
Search started
Search/Exam
Apr 1, 2019
Apr 1, 2019
Mar 20, 2019
Letter which had not been notified
Search/Exam
Mar 20, 2019
Letter which had not been notified
Search/Exam
Feb 26, 2019
Communication to designated inventor
Search/Exam
Feb 26, 2019
Communication to designated inventor
Search/Exam
Feb 26, 2019
Communication to designated inventor
Search/Exam
Feb 26, 2019
Communication to designated inventor
Search/Exam
Dec 3, 2018
Abstract
Search/Exam
Dec 3, 2018
Dec 3, 2018
Claims
Search/Exam
Dec 3, 2018
Description
Search/Exam
Dec 3, 2018
Designation of inventor
Search/Exam
Dec 3, 2018
Drawings
Search/Exam
Dec 3, 2018
Previously filed application
Search/Exam
Dec 3, 2018
Request for grant of a European patent
Search/Exam
Dec 20, 2004