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EP3736221

TRISA HOLDING
Application Number
EP19172849A
Filing Date
May 6, 2019
Status
Granted And Under Opposition
Jul 21, 2023
Grant Date
Aug 23, 2023
External Links
Slate, Register, Google Patents

Biblio Summary

The patent EP3736221B1 was granted on Aug 23, 2023 by Trisa Holding The patent is currently Granted And Under Opposition.

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.

CompanyOpposition DateOpposition Status

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HALEON UKMay 22, 2024WITHDRAWN
MC SCHIFFERMay 7, 2024WITHDRAWN

The table below shows the patents of Trisa Holding that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP3928659Electric Appliance For Personal CareJul 26, 20231
EP3542667Electric Appliance For Personal CareJun 30, 20211

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.