Patent No. EP3378324 (titled "Method For Producing Oil-In-Water Emulsified Food Product Composition") was filed by Kaneka on May 24, 2012. The application was issued on May 10, 2023.

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 |
|---|---|---|
| NUTRICIA | Feb 9, 2024 | NEDERLANDSCH OCTROOIBUREAU |
| FRESENIUS KABI DEUTSCHLAND | Feb 5, 2024 | FRESENIUS KABI DEUTSCHLAND |
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