Patent No. EP3440518 (titled "Real Time Monitoring Of Product Purification") was filed by Boehringer Ingelheim RCV on Apr 4, 2017. The application was issued on Nov 5, 2025.

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 |
|---|---|---|
| CMS CAMERON MCKENNA NABARRO OLSWANG | Aug 5, 2026 | CMS CAMERON MCKENNA NABARRO OLSWANG |
| STRAWMAN | Aug 5, 2026 | MAIWALD |
| STUDIO TORTA | Aug 4, 2026 | STUDIO TORTA |
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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