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Details for Patent: 7,981,938

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Which drugs does patent 7,981,938 protect, and when does it expire?

Patent 7,981,938 protects COLCRYS and is included in one NDA.

Summary for Patent: 7,981,938

Title:	Colchicine compositions and methods
Abstract:	Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
Inventor(s):	Davis; Matthew W. (Erwinna, PA)
Assignee:	Mutual Pharmaceutical Company, Inc. (Philadelphia, PA)
Application Number:	12/687,406
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,981,938
Patent Claim Types: see list of patent claims	Use;

Drugs Protected by US Patent 7,981,938

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
Takeda Pharms Usa	COLCRYS	colchicine	TABLET;ORAL	022352-001	Jul 29, 2009		RX	Yes	Yes						A METHOD FOR TREATMENT OF GOUT FLARES DURING PROPHYLAXIS

Non-Orange Book US Patents Family Members for Patent 7,981,938

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
7,964,647	Colchicine compositions and methods
8,415,396	Colchine compositions and methods
8,415,395	Colchicine compositions and methods