Patent No. EP2559621 (titled "Method And Apparatus For Forming Films") was filed by The Procter & Gamble on Jan 31, 2002. The application was issued on Mar 13, 2019.

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 |
|---|---|---|
| HARRO HOFLIGER VERPACKUNGSMASCHINEN | Jul 27, 2016 | ZURHORST |
| RECKITT BENCKISER VANISH B.V. | Jul 21, 2016 | CAWDELL |
| HENKEL | Jul 20, 2016 | VON ROHR |
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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