Patent No. EP1998686 (titled "Occlusion Instrument And Method For Its Production") was filed by Occlutech on Mar 22, 2007. The application was issued on Feb 21, 2018.
An occlusion device for closing septal defects, comprising a braided mesh of thin wires or filaments that receives a suitable shape through a forming and heat treatment process. The device has a proximal retention area, a distal retention area, and a cylindrical ridge between them, with the retention areas abutting a septum through a minimally invasive procedure. The braided mesh is formed into a spherical, pear, or teardrop shape and has a closed proximal wall with a continuous surface.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_COA_0000006/2026 | Jan 13, 2026 | Lepu Medical Europe Cooperatief, Lepu Medical Technology Peking | Appeal |
| UPC_COA_0000907/2025 | Nov 19, 2025 | Occlutech | Appeal |
| UPC_CFI_630/2025 | Jul 8, 2025 | Occlutech | Provisional Measures |

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 |
|---|---|---|
| AGA MEDICAL | Jun 8, 2010 | POTTER CLARKSON |
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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