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The patent EP3730695 was granted to Neenah Gessner on Jul 2, 2025. The application was filed on Apr 26, 2019 under application number EP19171364A. 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 |
|---|---|---|---|
| KOEHLER INNOVATION & TECHNOLOGY | Mar 28, 2023 | PATENTSHIP PATENTANWALTSGESELLSCHAFT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN103362029 |
| OPPOSITION | CN106801360 |
| OPPOSITION | DE202007015170U |
| OPPOSITION | EP2000321 |
| OPPOSITION | EP2520429 |
| OPPOSITION | EP2777934 |
| OPPOSITION | EP3023542 |
| OPPOSITION | JP2009074202 |
| OPPOSITION | JP2012117174 |
| OPPOSITION | JP2016135932 |
| OPPOSITION | JP2018053400 |
| OPPOSITION | JP2019002098 |
| OPPOSITION | US2004099388 |
| OPPOSITION | US2008020200 |
| OPPOSITION | US2010316834 |
| OPPOSITION | US2011003096 |
| OPPOSITION | US2011008638 |
| OPPOSITION | US2012118520 |
| OPPOSITION | US2013112361 |
| OPPOSITION | US2014338242 |
| OPPOSITION | US2017211237 |
| OPPOSITION | WO2014006269 |
| OPPOSITION | WO2015050438 |
| OPPOSITION | WO2016170229 |
| OPPOSITION | WO2016183314 |
| OPPOSITION | WO9425511 |
| SEARCH | EP2777934 |
| SEARCH | WO2016170229 |
| SEARCH | WO2016183314 |
| SEARCH | WO9425511 |
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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Change to the inventor details
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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European search report
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Information on Search Strategy
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Abstract
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Claims
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Description
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Request for grant of a European patent
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