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Details for Patent: 6,723,734

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Which drugs does patent 6,723,734 protect, and when does it expire?

Patent 6,723,734 protects FACTIVE and is included in one NDA.

This patent has fifty-eight patent family members in thirty-seven countries.

Summary for Patent: 6,723,734

Title:	Salt of naphthyridine carboxylic acid derivative
Abstract:	7-(3-Aminomethyl-4-methoxyiminopyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-ox o-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid methanesulfonate and hydrates thereof, processes for their preparation, pharmaceutical compositions comprising them, and their use in antibacterial therapy.
Inventor(s):	Kim; Ae Ri (Daejeon, KR), Lee; Jin Hwa (Daejeon, KR), Park; Ki Sook (Daejeon, KR), Choi; Jong Ryoo (Daejeon, KR), Lee; Tae Hee (Daejeon, KR), Chang; Jay Hyok (Daejeon, KR), Nam; Do Hyun (Daejeon, KR), Choi; Hoon (Daejeon, KR)
Assignee:	LG Life Sciences, Ltd. (Seoul, KR)
Application Number:	10/223,850
Patent Claim Types: see list of patent claims	Compound; Composition; Use; Process;

Drugs Protected by US Patent 6,723,734

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Patent Submitted
Lg Chem Ltd	FACTIVE	gemifloxacin mesylate	TABLET;ORAL	021158-001	Apr 4, 2003	AB	RX	Yes	Yes			Y	Y

Foreign Priority and PCT Information for Patent: 6,723,734

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
South Korea	97-9840	Mar 21, 1997

Non-Orange Book US Patents Family Members for Patent 6,723,734

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No.	Title	Estimated Patent Expiration
7,700,617	Salt of naphthyridine carboxylic acid derivative

International Family Members for US Patent 6,723,734

Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
African Regional IP Organization (ARIPO)	1331
Argentina	012125
Austria	239724
Austria	257836