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The patent EP3291181 was granted to Andreas Stihl on Nov 3, 2021. The application was filed on Sep 5, 2016 under application number EP16187273A. 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 |
|---|---|---|---|
| HUSQVARNA | Jul 4, 2022 | INDUSTRIPATENT I VAXJO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2801445 |
| OPPOSITION | GB2418252 |
| OPPOSITION | GB2535472 |
| OPPOSITION | US2008252446 |
| OPPOSITION | US2014070924 |
| OPPOSITION | US2015081359 |
| OPPOSITION | WO2011098097 |
| OPPOSITION | WO2014106140 |
| OPPOSITION | WO9909637 |
| SEARCH | EP1973077 |
| SEARCH | EP2801445 |
| SEARCH | US2014070924 |
| SEARCH | US2014184397 |
| SEARCH | WO2007072068 |
| SEARCH | WO9909637 |
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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Nov 16, 2021
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Decision to grant a European patent
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(Electronic) Receipt
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English translation of the claims
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Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Advice of delivery
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Acknowledgement of a document
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Annex to the communication
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Summons to attend oral proceedings
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Advice of delivery
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Annex to the communication
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Dec 18, 2019
Communication from the Examining Division
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Examination started
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Sep 26, 2019
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(Electronic) Receipt
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Notification of forthcoming publication
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European search report
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