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The patent EP3303643 was granted to SMS Group on Oct 2, 2019. The application was filed on May 27, 2016 under application number EP16728252A. 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 |
|---|---|---|---|
| PRIMETALS GERMANY | Jul 2, 2020 | METALSLINZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2557183 |
| INTERNATIONAL-SEARCH-REPORT | DE102013225579 |
| OPPOSITION | DE102013225579 |
| OPPOSITION | EP2177892 |
| OPPOSITION | EP2557183 |
| OPPOSITION | JP2013087319 |
| OPPOSITION | JPH07188781 |
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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Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
May 15, 2025
May 15, 2025
May 15, 2025
Apr 9, 2025
Apr 8, 2025
(Electronic) Receipt
Appeal
Apr 8, 2025
Apr 8, 2025
Claims
Appeal
Apr 8, 2025
Apr 8, 2025
Mar 7, 2025
Mar 4, 2025
(Electronic) Receipt
Appeal
Mar 4, 2025
Mar 4, 2025
Feb 14, 2025
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Jan 13, 2025
(Electronic) Receipt
Appeal
Jan 13, 2025
Jan 13, 2025
Dec 19, 2024
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Dec 16, 2024
Aug 9, 2024
Aug 5, 2024
(Electronic) Receipt
Appeal
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Claims
Appeal
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Reply to appeal
Appeal
Jul 1, 2024
Jul 1, 2024
Apr 4, 2024
Mar 27, 2024
(Electronic) Receipt
Appeal
Mar 27, 2024
Notice of appeal
Appeal
Mar 27, 2024
Feb 8, 2024
Jan 31, 2024
Jan 31, 2024
Jan 26, 2024
(Electronic) Receipt
Appeal
Jan 26, 2024
Jan 26, 2024
Notice of appeal
Appeal
Dec 8, 2023
Dec 5, 2023
Nov 29, 2023
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Nov 29, 2023
Means of redress
OPPO
Nov 29, 2023
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Oct 14, 2019
Sep 5, 2019
Decision to grant a European patent
Search/Exam
Aug 15, 2019
(Electronic) Receipt
Search/Exam
Aug 15, 2019
English translation of the claims
Search/Exam
Aug 15, 2019
English translation of the claims
Search/Exam
Aug 15, 2019
Filing of the translations of the claims
Search/Exam
Aug 15, 2019
Filing of the translations of the claims
Search/Exam
Aug 15, 2019
French translation of claims
Search/Exam
Aug 15, 2019
French translation of claims
Search/Exam
Aug 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2019
Apr 29, 2019
Apr 29, 2019
Intention to grant (signatures)
Search/Exam
Apr 29, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 29, 2019
Mar 28, 2019
Examination started
Search/Exam
Sep 17, 2018
Sep 10, 2018
Mar 14, 2018
Jan 25, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 24, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 19, 2018
Jan 17, 2018
Communication to designated inventor
Search/Exam
Jan 17, 2018
Communication to designated inventor
Search/Exam
Dec 6, 2017
Dec 6, 2017
Nov 23, 2017
(Electronic) Receipt
Search/Exam
Nov 23, 2017
Request for entry into the European phase
Search/Exam
Oct 6, 2017
Information on entry into European phase
Search/Exam
May 8, 2017
May 8, 2017
May 8, 2017
May 8, 2017
May 8, 2017
Jan 2, 2017
Notification of election of EPO
Search/Exam
Dec 19, 2016
Dec 12, 2016
Dec 2, 2016
Dec 2, 2016
Dec 2, 2016
PCT demand form
PCT2
Dec 2, 2016
Dec 2, 2016
Dec 2, 2016
Dec 1, 2016
Copy of the international search report
Search/Exam
Dec 1, 2016
Published international application - A1
Search/Exam
Aug 5, 2016
ISR: cited documents
PCTISA
Aug 5, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Jul 2, 2016
Jun 24, 2016
Jun 10, 2016
Jun 7, 2016
May 27, 2016
(Electronic) Receipt
PCTRO
May 27, 2016
Abstract
PCTRO
May 27, 2016
Claims
PCTRO
May 27, 2016
Description
PCTRO
May 27, 2016
May 27, 2016