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The patent EP3817880 was granted to Thermocompact on Nov 2, 2022. The application was filed on Jun 28, 2019 under application number EP19734920A. 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 |
|---|---|---|---|
| BERKENHOFF | May 25, 2023 | EISENFUHR SPEISER | - |
| BERKENHOFF | May 25, 2023 | UEXKULL & STOLBERG | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CH633739 |
| DESCRIPTION | EP0930131 |
| DESCRIPTION | FR2881973 |
| DESCRIPTION | US5945010 |
| DESCRIPTION | US8067689 |
| INTERNATIONAL-SEARCH-REPORT | EP0930131 |
| INTERNATIONAL-SEARCH-REPORT | FR2881973 |
| INTERNATIONAL-SEARCH-REPORT | JP2014136285 |
| OPPOSITION | CH633739 |
| OPPOSITION | EP0733431 |
| OPPOSITION | EP0930131 |
| OPPOSITION | FR2881973 |
| OPPOSITION | JP2014136285 |
| OPPOSITION | US5945010 |
| OPPOSITION | US8067689 |
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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Description
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(Electronic) Receipt
Search/Exam
Sep 19, 2022
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Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2022
Request for correction of the publication
Search/Exam
Sep 13, 2022
(Electronic) Receipt
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Letter accompanying subsequently filed items
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Decision to grant a European patent
Search/Exam
Jul 19, 2022
(Electronic) Receipt
Search/Exam
Jul 19, 2022
English translation of the claims
Search/Exam
Jul 19, 2022
Filing of the translations of the claims
Search/Exam
Jul 19, 2022
German translation of the claims
Search/Exam
Jul 19, 2022
Letter accompanying subsequently filed items
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May 2, 2022
(Electronic) Receipt
Search/Exam
May 2, 2022
Letter concerning fees and payments
Search/Exam
Apr 5, 2022
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Apr 5, 2022
Intention to grant (signatures)
Search/Exam
Apr 5, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 5, 2022
Feb 14, 2022
Examination started
Search/Exam
Jul 19, 2021
(Electronic) Receipt
Search/Exam
Jul 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2021
Reply to Written Opinion prepared by the EPO
Search/Exam
May 7, 2021
(Electronic) Receipt
Search/Exam
May 7, 2021
Letter accompanying subsequently filed items
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Apr 14, 2021
Mar 22, 2021
(Electronic) Receipt
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Mar 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2021
Letter concerning the inventor
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Mar 12, 2021
Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Feb 8, 2021
Communication to designated inventor
Search/Exam
Feb 3, 2021
Priority search results copy provided by EPO
Search/Exam
Jan 18, 2021
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
Request for entry into the European phase
Search/Exam
Nov 13, 2020
Information on entry into European phase
Search/Exam
Jan 29, 2020
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Copy of the international search report
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Jan 9, 2020
Copy of the international search report
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Jan 9, 2020
Published international application - A1
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Aug 30, 2019
ISR: cited documents
PCTISA
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Annex
PCTISA
Jul 3, 2019
Abstract
PCTISA
Jul 3, 2019
Claims
PCTISA
Jul 3, 2019
Description
PCTISA
Jul 3, 2019
Drawings
PCTISA
Jul 3, 2019
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