Patent No. EP3319569 (titled "Ophthalmologic Therapy Assembly For Processing A Surface In A Processing Volume Of A Transparent Material By Means Of Focused Radiation") was filed by Carl Zeiss on Jul 6, 2016. The application was issued on Jan 19, 2022.

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 |
|---|---|---|
| JOHNSON & JOHNSON SURGICAL VISION | Oct 19, 2022 | HOFFMANN EITLE |
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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