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The patent EP3606361 was granted to Tobacco Machinery Poland SP Z OO on Sep 10, 2025. The application was filed on Apr 6, 2018 under application number EP18725295A. 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 |
|---|---|---|---|
| GD | Mar 16, 2022 | BIANCIARDI | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB2228176 |
| INTERNATIONAL-SEARCH-REPORT | US4376484 |
| INTERNATIONAL-SEARCH-REPORT | US4976544 |
| INTERNATIONAL-SEARCH-REPORT | US6446632 |
| OPPOSITION | EP2399465 |
| OPPOSITION | GB2228176 |
| OPPOSITION | IT1220409 |
| OPPOSITION | IT1233661 |
| OPPOSITION | US2009193912 |
| OPPOSITION | US4882938 |
| OPPOSITION | US4976544 |
| OPPOSITION | US6446632 |
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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Aug 14, 2025
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Refund of fees
Appeal
Apr 22, 2025
Refund of fees
Appeal
Apr 14, 2025
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(Electronic) Receipt
Appeal
Mar 27, 2025
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(Electronic) Receipt
Appeal
Jul 12, 2024
Jul 12, 2024
Reply to appeal
Appeal
Jul 1, 2024
Jun 26, 2024
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Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
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Mar 5, 2024
(Electronic) Receipt
Appeal
Mar 5, 2024
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Jan 10, 2024
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Jan 5, 2024
(Electronic) Receipt
Appeal
Jan 5, 2024
Jan 5, 2024
Notice of appeal
Appeal
Nov 14, 2023
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Nov 10, 2023
Nov 8, 2023
(Electronic) Receipt
Appeal
Nov 8, 2023
Nov 8, 2023
Notice of appeal
Appeal
Nov 6, 2023
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
May 5, 2021
(Electronic) Receipt
Search/Exam
May 5, 2021
French translation of claims
Search/Exam
May 5, 2021
German translation of the claims
Search/Exam
May 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2021
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Intention to grant (signatures)
Search/Exam
Feb 26, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 26, 2021
Aug 31, 2020
Examination started
Search/Exam
Jul 9, 2020
(Electronic) Receipt
Search/Exam
Jul 9, 2020
Jul 9, 2020
Priority search results
Search/Exam
Jul 9, 2020
Priority search results
Search/Exam
Jul 9, 2020
May 25, 2020
(Electronic) Receipt
Search/Exam
May 25, 2020
Letter accompanying subsequently filed items
Search/Exam
May 25, 2020
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 15, 2020
Nov 15, 2019
Nov 13, 2019
Communication to designated inventor
Search/Exam
Nov 9, 2019
Priority search results copy provided by EPO
Search/Exam
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Nov 6, 2019
Amended claims with annotations
Search/Exam
Nov 6, 2019
Nov 6, 2019
Amended description with annotations
Search/Exam
Nov 6, 2019
Annex
Search/Exam
Nov 6, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 6, 2019
Request for entry into the European phase
Search/Exam
Aug 19, 2019
Information on entry into European phase
Search/Exam
May 27, 2019
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Mar 19, 2019
Notification of election of EPO
Search/Exam
Mar 7, 2019
Written opinion
PCT2
Mar 7, 2019
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Feb 19, 2019
Feb 6, 2019
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PCT demand form
PCT2
Feb 6, 2019
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Oct 30, 2018
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Oct 11, 2018
Copy of the international search report
Search/Exam
Oct 11, 2018
Published international application - A1
Search/Exam
Jul 19, 2018
ISR: cited documents
PCTISA
Jul 18, 2018
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Jun 4, 2018
May 23, 2018
Abstract
PCTISA
May 23, 2018
Annex
PCTISA
May 23, 2018
Annex
PCTISA
May 23, 2018
Annex
PCTISA
May 23, 2018
Claims
PCTISA
May 23, 2018
May 23, 2018
Description
PCTISA
May 23, 2018
Drawings
PCTISA
May 23, 2018
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