The patent EP2944645 was granted to Qiagen on Nov 27, 2019. The application was originally filed on May 12, 2009 under application number EP15161652A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | 
|---|---|
| DESCRIPTION | DE102006045391 | 
| DESCRIPTION | US5234809 | 
| DESCRIPTION | WO0171732 | 
| DESCRIPTION | WO2007065934 | 
| DESCRIPTION | WO9311221 | 
| OPPOSITION | DE202004006675U | 
| OPPOSITION | EP1524317 | 
| OPPOSITION | EP2281826 | 
| OPPOSITION | WO2006084753 | 
| OPPOSITION | WO2009146776 | 
| SEARCH | EP1690938 | 
| SEARCH | US2007106071 | 
| SEARCH | WO9961603 | 
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 | 
|---|---|
| OPPOSITION | - Anonymous, "2000 Biochemicals Catalog", Roche Catalogue, (20000101), pages 1 - 5, XP055827666 | 
| OPPOSITION | - Anonymous, "Dynabeads® SILANE viral NA", Invitrogen, (20130801), pages 1 - 2, Invitrogen, URL: http://ulab360.com/files/prod/manuals/201608/01/6108001.pdf, (20210726), XP055827645 | 
| OPPOSITION | - Anonymous, "Guanidine thiocyanate | 593-84-0", Chemical book, (20170101), pages 1 - 3, Chemical book, URL: https://www.chemicalbook.com/chemicalproductproperty_en_cb0476913.htm, (20210726), XP055827651 | 
| OPPOSITION | - Anonymous, "Instruction Manual for Roche High Pure PCR Template Purification Kit", Instruction Manual for Roche High Pure PCR Template Purification Kit, (20040901), pages 1 - 23, XP055827661 | 
| OPPOSITION | - Anonymous, "Invitrogen Launches Silica-Like Dynabeads For High Sensitivity And High Capacity Assays", Bioprocess online, (20080108), pages 1 - 1, Bioprocess online, URL: https://www.bioprocessonline.com/doc/invitrogen-launches-silica-like-dynabeads-for-0001, (20210726), XP055827647 | 
| OPPOSITION | - Anonymous, "MagNA Pure LC Total Nucleic Acid Isolation Kit - Large Volume", Roche applied Science, (20060101), pages 1 - 20, XP055827678 | 
| OPPOSITION | - Chiu, Et Al, "Comparison of Protocols for Extracting Circulating DNA and RNA from Maternal Plasma", Clinical Chemistry, (20050101), vol. 51, no. 11, pages 2209 - 2210, XP055827671 | 
| OPPOSITION | - H.G.M. Niesters, Et Al, "Development of a Real-Time Quantitative Assay for Detection of Epstein-Barr Virus", J Clin Microbial, (20000201), vol. 38, pages 712 - 715, XP055254425 | 
| OPPOSITION | - S. N. Tamkovich, Et. Al., "Simple and Rapid Procedure Suitable for Quantitative Isolation of Low and High Molecular Weight Extracellular Nucleic Acids", NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, vol. 23, no. 6 & 7, doi:10.1081/NCN-200026034, (20040101), pages 873 - 877, NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, vol. 23, no. 6 & 7, URL: https://www.researchgate.net/publication/8167420_Simple_and_Rapid_Procedure_Suitable_for_Quantitative_Isolation_of_Low_and_High_Molecular_Weight_Extracellular_Nucleic_Acids, (20170328), XP055359479 | 
| OPPOSITION | - LI YING ET AL, "Size separation of circulatory DNA in maternal plasma permits ready detection of fetal DNA polymorphisms.", Clinical Chemistry, Oxford University Press, US, US, (20040601), vol. 50, no. 6, doi:10.1373/CLINCHEM.2003.029835, ISSN 0009-9147, pages 1002 - 1011, XP002510472 | 
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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Oct 16, 2019
English translation of the claims
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Filing of the translations of the claims
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French translation of claims
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Oct 16, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Oct 11, 2019
Text intended for grant (clean copy)
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Oct 11, 2019
Oct 31, 2018
(Electronic) Receipt
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Oct 31, 2018
Amended description with annotations
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Oct 31, 2018
Description
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Oct 31, 2018
Letter accompanying subsequently filed items
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Oct 31, 2018
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Annex to the communication
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Oct 24, 2018
Communication from the Examining Division
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Apr 6, 2018
Decision to allow further processing
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Mar 26, 2018
(Electronic) Receipt
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Mar 26, 2018
Amended claims with annotations
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Mar 26, 2018
Annex
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Mar 26, 2018
Claims
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Mar 26, 2018
Letter concerning fees and payments
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Mar 26, 2018
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Annex to the communication
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Jun 7, 2017
Communication from the Examining Division
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May 30, 2017
Examination started
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May 18, 2016
(Electronic) Receipt
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May 18, 2016
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Amended claims with annotations
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May 18, 2016
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May 18, 2016
Letter accompanying subsequently filed items
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Nov 23, 2015
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Notification of forthcoming publication
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Oct 7, 2015
Refund of fees
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Sep 3, 2015
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European search opinion
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Sep 3, 2015
European search report
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Aug 26, 2015
Search started
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Aug 10, 2015
Aug 3, 2015
Letter which had not been notified
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Jul 8, 2015
Refund of fees
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Jun 25, 2015
Priority search results copy provided by EPO
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May 22, 2015
Communication to designated inventor
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May 22, 2015
Communication to designated inventor
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Communication to designated inventor
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Apr 28, 2015
Designation of inventor
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Apr 28, 2015
Letter concerning the inventor
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Apr 15, 2015
Deficiency in designation of inventor
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Mar 30, 2015
Abstract
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Mar 30, 2015
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Annex
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Mar 30, 2015
Claims
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Mar 30, 2015
Claims
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Mar 30, 2015
Description
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Mar 30, 2015
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Mar 30, 2015
Drawings
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Mar 30, 2015
Drawings
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Mar 30, 2015
Previously filed application
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Mar 30, 2015
Request for grant of a European patent
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Jan 4, 2010