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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
QIAGEN GMBH	QIAGEN STRASSE 1 HILDEN 40724

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....
• C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Korfhage, Christian	Langenfeld, DE	35	385
Löffert, Dirk	Düsseldorf, DE	19	71
Peist, Ralf	Hilden, DE	29	149

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 13, 2012	US,8309303,B2   US8309303B2	GRANTED PATENT AS SECOND PUBLICATION
January 21, 2010	US,20100015602,A1   US20100015602A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8309303

Reverse transcription and amplification of RNA with simultaneous degradation of DNA

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