Patent No. EP2598320 (titled "Ophthalmic Device Molds Formed From Water-Soluble Vinyl Alcohol Copolymer, Ophthalmic Devices Molded Therein, And Related Methods") was filed by Coopervision Holding on Jun 13, 2011. 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 |
|---|---|---|
| JOHNSON & JOHNSON VISION CARE | Apr 29, 2015 | CARPMAELS & RANSFORD |
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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