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The patent EP3294446 was granted to Gruppo Zilio on Feb 27, 2019. The application was filed on May 5, 2016 under application number EP16728381A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| GEH WASSERCHEMIE | Nov 22, 2019 | GRAMM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE4320003 |
| INTERNATIONAL-SEARCH-REPORT | US2008271600 |
| OPPOSITION | DE4320003 |
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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Submission concerning representation
Search/Exam
Mar 11, 2019
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Decision to grant a European patent
Search/Exam
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
Filing of the translations of the claims
Search/Exam
Jan 10, 2019
French translation of claims
Search/Exam
Jan 10, 2019
German translation of the claims
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2019
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(Electronic) Receipt
Search/Exam
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Annexes in respect of a client data request
Search/Exam
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Annexes in respect of a client data request
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
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Annexes in respect of a client data request
Search/Exam
Oct 8, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Sep 17, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 17, 2018
Aug 23, 2018
Examination started
Search/Exam
Jun 22, 2018
(Electronic) Receipt
Search/Exam
Jun 22, 2018
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Amendments received before examination
Search/Exam
Jun 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2018
(Electronic) Receipt
Search/Exam
Jun 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2018
Matter concerning the application
Search/Exam
Feb 21, 2018
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Communication to designated inventor
Search/Exam
Dec 13, 2017
Priority search results copy provided by EPO
Search/Exam
Nov 27, 2017
Nov 6, 2017
(Electronic) Receipt
Search/Exam
Nov 6, 2017
Request for entry into the European phase
Search/Exam
Sep 22, 2017
Information on entry into European phase
Search/Exam
Dec 6, 2016
Nov 17, 2016
Copy of the international search report
Search/Exam
Nov 17, 2016
Published international application - A1
Search/Exam
Aug 8, 2016
ISR: cited documents
PCTISA
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Abstract
PCTISA
Jun 2, 2016
Claims
PCTISA
Jun 2, 2016
Description
PCTISA
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PCTISA
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