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IP Verse

Surface Coating Cutting Tool With Coating Film Having Intensity Distribution Of Compression Stress - EP1772216

The patent EP1772216 was granted to Sumitomo Electric Hardmetal on Oct 26, 2022. The application was filed on Jul 15, 2005 under application number EP05766285A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP1772216

SUMITOMO ELECTRIC HARDMETAL
Application Number
EP05766285A
Filing Date
Jul 15, 2005
Status
Patent Maintained As Amended
Sep 23, 2022
Publication Date
Oct 26, 2022
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.

CompanyOpposition DateRepresentativeOpposition Status
SANDVIK MACHINING SOLUTIONSFeb 28, 2019WSL PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (5) New

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

Citation PhasePublication Number
DESCRIPTIONJP2001315006
INTERNATIONAL-SEARCH-REPORTJP2001353603
INTERNATIONAL-SEARCH-REPORTJP2003113463
OPPOSITIONJP2003113463
OPPOSITIONWO2006009121

Dossier Documents

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