Patent No. EP2175044 (titled "Pvd Coating Method, Device For Carrying Out The Procedure And Substances Coated With The Procedure") was filed by Systec System UND Anlagentechnik on Oct 7, 2009. The application was issued on May 29, 2019.

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 |
|---|---|---|
| CEMECON | Feb 27, 2020 | KALKOFF & PARTNER PATENTANWALTE MBB |
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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