The patent EP1942868 was granted to Wyeth on Oct 4, 2023. The application was originally filed on Oct 27, 2006 under application number EP06827036A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2001031721 |
| INTERNATIONAL-SEARCH-REPORT | US3717708 |
| INTERNATIONAL-SEARCH-REPORT | WO2005058283 |
| INTERNATIONAL-SEARCH-REPORT | WO2005089712 |
| OPPOSITION | WO2005058283 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | - BUSH L ET AL, "THE FORMULATION OF RECOMBINANT FACTOR IX: STABILITY, ROBUSTNESS, AND CONVENIENCE", SEMINARS IN HEMATOLOGY, PHILADELPHIA, PA, US, (199804), vol. 35, no. 2, SUPPL 2, ISSN 0037-1963, pages 18 - 21, XP001010494 [X] 33-36 * the whole document * |
| INTERNATIONAL-SEARCH-REPORT | - VAN DEN BERG H M ET AL, "BeneFixTM induces agglutination of red cells", BLOOD, W.B.SAUNDERS COMPANY, ORLANDO, FL, US, (20001116), vol. 96, no. 11 Part 1, ISSN 0006-4971, page 641a, XP008083763 [X] 1-36 * abstract * |
| INTERNATIONAL-SEARCH-REPORT | - VAN OSS C J, "On the mechanism of the spontaneous aggregation of human erythrocytes at reduced ionic strength and PH", BIORHEOLOGY, ELSEVIER SCIENCE LTD., OXFORD, GB, (1984), vol. 21, no. 3, ISSN 0006-355X, pages 415 - 416, XP008083758 [A] 1-36 * the whole document * |
| OPPOSITION | - CHAI et al., "Effects on Erythrocyte Aggregation and Blood Coagulation from Iohexol Solutions with and without Sodium Chloride", Acta Radiologica, (19950000), vol. 36, pages 204 - 209, XP055609707 |
| OPPOSITION | - CONSTANTINO et al., "Excipients for use in Lyophilized Pharmaceutical Peptide, Protein, and other Bioproducts (pg 197-198)", Lyophilization of Biopharmaceuticals, (20040000), pages 139 - 228, ISBN 0-9711767-6-0, XP008159820 |
| OPPOSITION | - International Blood/Plasma News, (20010000), vol. 18, no. 9, page 127 |
| OPPOSITION | - STRANZ, "The Implications of Osmolality, Osmolarity and pH in Infusion Therapy", INS Annual Conference, (20050000), pages 1 - 5, XP055609720 |
| OPPOSITION | - VAN DEN BERG, "BeneFixTM induces agglutination of red cells:Is there a clinical relevance and can it be prevented?", Blood, (20000000), vol. 96, no. 11, part 1, page 641 a, XP008083763 |
| OPPOSITION | - BUSCHLE et al., "A compatible solution for administration with blood.", Anesthesiology, (19530000), vol. 14, pages 53 - 59, XP055609711 |
| OPPOSITION | - POWELL et al., "A New Formulation of Recombinant Human Factor IX Is Bioequivalent to BeneFIX: A Double Blind, Randomized, Crossover Pharmacokinetic and Open-Label Safety and Efficacy Study.", Blood, (20050000), vol. 106, no. 11, XP055609656 |
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Decision to grant a European patent
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French translation of claims
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Description
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Letter accompanying subsequently filed items
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Consultation by telephone/in person
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Annex to the communication
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Jan 21, 2016
Communication from the Examining Division
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Feb 4, 2014
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(Electronic) Receipt
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Jan 8, 2013
Amended claims with annotations
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Jan 8, 2013
Claims
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Jan 8, 2013
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Annex to the communication
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Jun 29, 2012
Communication from the Examining Division
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Submission concerning representation
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Letter accompanying subsequently filed items
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Apr 3, 2009
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Notification of the recording of a change
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Notification of the recording of a change
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Jun 12, 2008
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Matter concerning the application
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Mar 18, 2008
Request for entry into the European phase
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Mar 17, 2008
Matter concerning the application
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Mar 17, 2008
Request for entry into the European phase
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Mar 14, 2008
Information on entry into European phase
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Dec 12, 2007
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Copy of the international search report
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Published international application - A2
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Dec 27, 2006
Abstract
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Dec 27, 2006
Claims
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Dec 27, 2006
Description
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Dec 27, 2006
Drawings
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