Patent No. EP4006624 (titled "Spectacle Lens Design, Method Of Manufacturing A Spectacle Lens And Method Of Providing A Spectacle Lens For At Least Retarding Myopia Progression") was filed by Carl Zeiss on Nov 26, 2020. The application was issued on Apr 24, 2024.

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 |
|---|---|---|
| LUMI | Jan 23, 2025 | VESTERINEN |
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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