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EP3305447

SHANGHAI TEC SPIRAL ENTERPRISES
Application Number
EP16889695A
Filing Date
Feb 14, 2016
Status
Revoked
Aug 15, 2024
Grant Date
Mar 29, 2023
External Links
Slate, Register, Google Patents

Biblio Summary

The patent EP3305447B1 was granted on Mar 29, 2023 by Shanghai TEC Spiral Enterprises The patent is currently Revoked.

Patents Cited during Opposition New

Patent citations in opposition refer to prior patents or publications that may challenge the validity of a contested patent. These references help assess whether the invention is truly novel or overlaps with existing intellectual property.

Citation PhasePatent NumberPatent LinkCited Text
OppositionUS6652203
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OppositionCN203356678U
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OppositionUS2014363244
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OppositionCN1375373
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OppositionUS2193186
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OppositionDE202008000368U
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OppositionCN201223962Y
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OppositionCN101977713
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OppositionUS2011116884
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OppositionWO2013143348
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OppositionCN204953985U
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OppositionJPH0435812U
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OppositionDE20303656U
 N/A
OppositionCN203711939U
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OppositionEP1512476
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OppositionUS2006210949
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OppositionUS2008166195
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OppositionKR20090014835
 N/A
OppositionWO2013042874
 N/A
OppositionWO2016207728
 N/A

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.

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