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Resource-Saving Method For Activating A Metal Surface Prior To A Phosphatization Process - EP4065749

The patent EP4065749 was granted to Henkel on Jan 3, 2024. The application was originally filed on Nov 19, 2020 under application number EP20807405A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4065749

HENKEL
Application Number
EP20807405A
Filing Date
Nov 19, 2020
Status
Granted And Under Opposition
Dec 1, 2023
Publication Date
Jan 3, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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.

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CHEMETALLOct 1, 2024STEFFAN & KIEHNE PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (16) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONWO9839498
EXAMINATIONEP3954805
EXAMINATIONEP3964606
INTERNATIONAL-SEARCH-REPORTEP1566466
INTERNATIONAL-SEARCH-REPORTUS2015064445
INTERNATIONAL-SEARCH-REPORTWO2019238573
OPPOSITIONEP1566466
OPPOSITIONEP1930474
OPPOSITIONEP4410564
OPPOSITIONUS6478860
OPPOSITIONWO2017189519
OPPOSITIONWO2017189627
OPPOSITIONWO2018192707
OPPOSITIONWO2018192709
OPPOSITIONWO2019238573
OPPOSITIONWO2023052213

Dossier Documents

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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    Description

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