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The patent EP1856051 was granted to Recordati Industria Chimica E Farmaceutica on Nov 13, 2019. The application was filed on Feb 24, 2006 under application number EP06723128A. The patent is currently recorded with a legal status of "Revoked".

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 | Opposition Status |
|---|---|---|---|
| STADA ARZNEIMITTEL | Aug 12, 2020 | HAMM & WITTKOPP | ADMISSIBLE |
| HEUMANN PHARMA GENERICA | Aug 4, 2020 | ENGELHARD | ADMISSIBLE |
| LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB | Jul 8, 2020 | BINDER | ADMISSIBLE |
| FRESENIUS KABI DEUTSCHLAND | Jul 1, 2020 | FRESENIUS KABI DEUTSCHLAND | ADMISSIBLE |
| SANDOZ | Jun 8, 2020 | LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| ELKINGTON AND FIFE | Apr 6, 2020 | ELKINGTON AND FIFE | ADMISSIBLE |
| GLENMARK LIFE SCIENCES | Nov 13, 2019 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US4705797 |
| INTERNATIONAL-SEARCH-REPORT | US5912351 |
| OPPOSITION | EP1432683 |
| OPPOSITION | IN1593MUM2005 |
| OPPOSITION | IN75MUM2006 |
| OPPOSITION | US4705797 |
| OPPOSITION | US5912351 |
| OPPOSITION | UY29150 |
| OPPOSITION | WO03014084 |
| OPPOSITION | WO03014085 |
| OPPOSITION | WO2006037650 |
| OPPOSITION | WO2006089787 |
| OPPOSITION | WO2007031865 |
| OPPOSITION | WO2007054969 |
| OPPOSITION | WO2008015248 |
| OPPOSITION | WO9635668 |
| OTHER | EP0153016 |
| OTHER | US4705797 |
| OTHER | WO03014084 |
| OTHER | WO03014085 |
| OTHER | WO9635668 |
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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(Electronic) Receipt
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F3032 Notification(s) of the decision
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Acknowledgement of a document
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Apr 24, 2012
Annex to the communication
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Apr 24, 2012
Preparation for oral proceedings
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Authorisation
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Communication from the Examining Division
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Claims
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Annex to the communication
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Jan 30, 2008
Communication from the Examining Division
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Matter concerning the application
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Request for entry into the European phase
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Jul 4, 2007
Information on entry into European phase
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Sep 19, 2006
Aug 31, 2006
Copy of the international search report
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Aug 31, 2006
Published international application - A1
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May 12, 2006
Abstract
PCTISA
May 12, 2006
Claims
PCTISA
May 12, 2006
Description
PCTISA
May 12, 2006
Drawings
PCTISA
Feb 24, 2006
Submission concerning representation
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