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

Patent Owner(s)

Patent Owner	Address
BIOGEN INC	250 BINNEY STREET CAMBRIDGE MA 02142

International Classification(s)

• C12S:PROCESSES USING ENZYMES OR MICRO-ORGANISMS TO LIBE....

• 2004 Application Filing Year
• C12S Class
• 11 Applications Filed
• 4 Patents Issued To-Date
• 36.37 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Pham, Christine Y	San Diego, CA	2	48
# of filed Patents : 2 Total Citations : 48

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Patent Citation Ranking

• 11 Citation Count
• C12S Class

• 33.33 % this patent is cited more than
• 18 Age

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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
January 02, 2007	US,7157276,B2   US7157276B2	GRANTED PATENT AS SECOND PUBLICATION
February 17, 2005	US,20050037333,A1   US20050037333A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7157276

Use of depth filtration in series with continuous centrifugation to clarify mammalian cell cultures

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Abstract

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Methods for clarification of cell samples using centrifugation in combination with depth filtration.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2018
• AS2015
• FPAY2014
• FPAY2010
• CC2009
• I2007
• STCF2006
• P2005
• AS2004
• F2004
• AS2003
• PD2003

Date	Code	Event	Description
Jun 28, 2018	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553) year of fee payment: 12
Mar 23, 2015	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:BIOGEN IDEC INC.;REEL/FRAME:035552/0202 Owner name: BIOGEN INC., MASSACHUSETTS Effective Date: Mar 23, 2015
Jul 02, 2014	FPAY	FEE PAYMENT	year of fee payment: 8
Jul 02, 2010	FPAY	FEE PAYMENT	year of fee payment: 4
Jun 09, 2009	CC	CERTIFICATE OF CORRECTION
Jan 02, 2007	I	Issuance
Dec 13, 2006	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 17, 2005	P	Published
Nov 01, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PHAM, CHRISTINE Y.;REEL/FRAME:015338/0820 Owner name: BIOGEN IDEC INC., CALIFORNIA Effective Date: Nov 01, 2004
Jun 21, 2004	F	Filing
Nov 12, 2003	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:IDEC PHARMACEUTICALS CORPORATION;REEL/FRAME:015044/0873 Owner name: BIOGEN IDEC INC., CALIFORNIA Effective Date: Nov 12, 2003
Jun 20, 2003	PD	Priority Date