Patent No. EP1986425 (titled "Interactive Television Program Guide System Having Multiple Devices Within A Household") was filed by Rovi Guides on Jul 16, 1999. The application was issued on Jan 30, 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 |
|---|---|---|
| WATCHEVER GROUP | Mar 25, 2015 | SANTARELLI |
| VIRGIN MEDIA | Mar 25, 2015 | MARTIN |
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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