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

Patent Owner(s)

Patent Owner	Address
NATIONAL RESEARCH COUNCIL OF CANADA	OTTAWA

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bernatchez, Stephane	Chelsea, CA	1	0
Gilbert, Michel	Gatineau, CA	46	253
Wakarchuk, Warren	Ottawa, CA	8	26

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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
April 02, 2013	US,8409583,B2   US8409583B2	GRANTED PATENT AS SECOND PUBLICATION
May 12, 2011	US,20110111454,A1   US20110111454A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8409583

Engineered versions of CgtB (β-1,3 galactosyltransferase) enzymes, with enhanced enzymatic properties

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