Patent No. EP2794938 (titled "Method For Structuring And Chemically Modifying A Surface Of A Workpiece") was filed by Airbus Defence And Space on Dec 20, 2012. The application was issued on Oct 10, 2018.

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 |
|---|---|---|
| FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV CLEAN LASERSYSTEME | Jul 10, 2019 | PFENNING |
| AUDI | Jul 9, 2019 | HOFSTETTER |
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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