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The patent EP3097355 was granted to Solaronics on Oct 1, 2025. The application was filed on Jan 12, 2015 under application number EP15700221A. 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 |
|---|---|---|---|
| VOITH PATENT | Apr 4, 2019 | NISSL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE4329194 |
| DESCRIPTION | WO2010003904 |
| DESCRIPTION | WO2010018037 |
| INTERNATIONAL-SEARCH-REPORT | DE4329194 |
| INTERNATIONAL-SEARCH-REPORT | EP0681143 |
| OPPOSITION | DE2633849 |
| OPPOSITION | DE3382816T |
| OPPOSITION | DE4329194 |
| OPPOSITION | EP0124022 |
| OPPOSITION | EP0589214 |
| OPPOSITION | EP0681143 |
| OPPOSITION | US2012294595 |
| OPPOSITION | WO8704773 |
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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Sep 4, 2025
Sep 4, 2025
Aug 22, 2025
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Jun 12, 2025
Refund of fees
Appeal
Jun 10, 2025
Jun 3, 2025
(Electronic) Receipt
Appeal
Jun 3, 2025
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May 28, 2025
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Refund of fees
Appeal
May 22, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 28, 2025
(Electronic) Receipt
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
May 26, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 14, 2023
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Notice of appeal
Appeal
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Nov 27, 2018
General authorisation
Search/Exam
Nov 27, 2018
Jul 16, 2018
Jun 7, 2018
Decision to grant a European patent
Search/Exam
May 16, 2018
(Electronic) Receipt
Search/Exam
May 16, 2018
Filing of the translations of the claims
Search/Exam
May 16, 2018
French translation of claims
Search/Exam
May 16, 2018
German translation of the claims
Search/Exam
May 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2018
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Intention to grant (signatures)
Search/Exam
Apr 10, 2018
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Text intended for grant (clean copy)
Search/Exam
Apr 10, 2018
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Non-patent literature filed by a third party
Search/Exam
Jan 23, 2018
Observations by third parties
Search/Exam
Jan 23, 2018
Patent document filed by a Third party
Search/Exam
Jan 23, 2018
Patent document filed by a Third party
Search/Exam
Jan 23, 2018
Patent document filed by a Third party
Search/Exam
Dec 19, 2017
(Electronic) Receipt
Search/Exam
Dec 19, 2017
Filing of the translations of the claims
Search/Exam
Dec 19, 2017
French translation of claims
Search/Exam
Dec 19, 2017
German translation of the claims
Search/Exam
Dec 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2017
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Intention to grant (signatures)
Search/Exam
Sep 15, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 15, 2017
Aug 10, 2017
Examination started
Search/Exam
Apr 28, 2017
Submission concerning representation
Search/Exam
Jan 12, 2017
(Electronic) Receipt
Search/Exam
Jan 12, 2017
Abstract
Search/Exam
Jan 12, 2017
Abstract
Search/Exam
Jan 12, 2017
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Amended claims with annotations
Search/Exam
Jan 12, 2017
Amendments received before examination
Search/Exam
Jan 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2016
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Sep 1, 2016
Priority search results copy provided by EPO
Search/Exam
Aug 26, 2016
Communication to designated inventor
Search/Exam
Aug 26, 2016
Communication to designated inventor
Search/Exam
Aug 8, 2016
Jun 27, 2016
(Electronic) Receipt
Search/Exam
Jun 27, 2016
Request for entry into the European phase
Search/Exam
Jun 3, 2016
Information on entry into European phase
Search/Exam
Aug 17, 2015
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Jul 30, 2015
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Copy of the international search report
Search/Exam
Jul 30, 2015
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Published international application - A1
Search/Exam
Mar 24, 2015
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Jan 29, 2015
(Electronic) Receipt
PCTRO
Jan 12, 2015
(Electronic) Receipt
PCTRO
Jan 12, 2015
Abstract
PCTRO
Jan 12, 2015
Abstract
Appeal
Jan 12, 2015
Claims
PCTRO
Jan 12, 2015
Claims
Appeal
Jan 12, 2015
Description
PCTRO
Jan 12, 2015
Description
Appeal
Jan 12, 2015
Drawings
PCTRO
Jan 12, 2015
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