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The patent EP1856367 was granted to Atlas Copco on Nov 8, 2017. The application was filed on Feb 17, 2006 under application number EP06716907A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ANDERSEN MEK VERKSTED | Aug 8, 2018 | HAMSO PATENTBYRA | ADMISSIBLE |
| SANDVIK MINING AND CONSTRUCTION | Aug 8, 2018 | PAPULA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1010499 |
| EXAMINATION | US4725191 |
| INTERNATIONAL-SEARCH-REPORT | EP0434652 |
| INTERNATIONAL-SEARCH-REPORT | US3782484 |
| OPPOSITION | CA2183358 |
| OPPOSITION | DE885081 |
| OPPOSITION | EP0198315 |
| OPPOSITION | EP0434652 |
| OPPOSITION | EP1010499 |
| OPPOSITION | GB1234981 |
| OPPOSITION | GB1409463 |
| OPPOSITION | GB2189724 |
| OPPOSITION | JP2005014104 |
| OPPOSITION | US2491273 |
| OPPOSITION | US2500932 |
| OPPOSITION | US3354967 |
| OPPOSITION | US3774969 |
| OPPOSITION | US3823902 |
| OPPOSITION | US4799556 |
| OPPOSITION | US5937952 |
| OPPOSITION | US6279413 |
| OPPOSITION | WO02103162 |
| SEARCH | DE885081 |
| SEARCH | GB2189724 |
| SEARCH | US2491273 |
| SEARCH | US2500932 |
| SEARCH | US3020012 |
| SEARCH | US5937952 |
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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Apr 12, 2023
Letter which had not been notified
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Annex to the communication
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Letter accompanying subsequently filed items
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CDS Clean up - amended applicant details
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European search opinion
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Supplementary European search report
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Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Sep 14, 2006
Published international application - A1
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