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

Patent Owner(s)

Patent Owner	Address
DR REDDY'S LABORATORIES LIMITED	8-2-337 ROAD NO 3 BANJARA HILLS HYDERABAD 500 034

International Classification(s)

• C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
• C07J:STEROIDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Alieti, Sanjay Reddy	Hyderabad, IN	1	0
Dahanukar, Vilas	Hyderabad, IN	6	20
Dinne, Naresh Kumar Reddy	Mahaboob Nagsar, IN	1	0
Fryszkowska, Anna	Cambridge, GB	23	11
Gorantla, Srikanth Sarat Chandra	Hyderabad, IN	2	0
Poreddy, Srinivas Reddy	Nalgonda, IN	1	0
Quirmbach, Michael Siegfried	Basel, CH	1	0
Timmanna, Upadhya	Hyderabad, IN	1	0

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 30, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 30, 2018	US,9879045,B2   US9879045B2	GRANTED PATENT AS SECOND PUBLICATION
May 05, 2016	US,20160122382,A1   US20160122382A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9879045

Processes for the preparation of dehydroepiandrosterone and its intermediates

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