Patent No. EP2148770 (titled "Integrally Blow-Moulded Bag-In-Container Having An Inner Layer And The Outer Layer Made Of The Same Material And Preform For Making It") was filed by Anheuser Busch Inbev on Apr 18, 2008. The application was issued on Nov 24, 2021.

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 |
|---|---|---|
| DISPENSING AFA DISPENSING GROUP | Aug 8, 2018 | BARTELDS |
| HEINEKEN SUPPLY CHAIN | May 15, 2018 | VO |
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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