Patent No. EP3146969 (titled "Ointments For The Topical Treatment Of Psoriasis") was filed by LEO Pharma on Jan 27, 2000. The application was issued on Jun 20, 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.
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