MICRO-K Drug Patent Profile

When do Micro-k patents expire, and when can generic versions of Micro-k launch?

Micro-k is a drug marketed by Nesher Pharms and Kv Pharm and is included in two NDAs.

The generic ingredient in MICRO-K is potassium chloride. There are two hundred and forty drug master file entries for this compound. Eighty-eight suppliers are listed for this compound. Additional details are available on the potassium chloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Micro-k

A generic version of MICRO-K was approved as potassium chloride by ACTAVIS LABS FL INC on April 10^th, 2002.

Summary for MICRO-K

US Patents:	0
Applicants:	2
NDAs:	2
Raw Ingredient (Bulk) Api Vendors:	314
Patent Applications:	300
Formulation / Manufacturing:	see details
DailyMed Link:	MICRO-K at DailyMed

Anatomical Therapeutic Chemical (ATC) Classes for MICRO-K

A12BA	Potassium
A12B	POTASSIUM
A12	MINERAL SUPPLEMENTS
A	Alimentary tract and metabolism

B05XA	Electrolyte solutions
B05X	I.V. SOLUTION ADDITIVES
B05	BLOOD SUBSTITUTES AND PERFUSION SOLUTIONS
B	Blood and blood forming organs

US Patents and Regulatory Information for MICRO-K

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Nesher Pharms	MICRO-K	potassium chloride	CAPSULE, EXTENDED RELEASE;ORAL	018238-001	Approved Prior to Jan 1, 1982		DISCN	Yes	No
Nesher Pharms	MICRO-K 10	potassium chloride	CAPSULE, EXTENDED RELEASE;ORAL	018238-002	May 14, 1984		DISCN	Yes	No
Kv Pharm	MICRO-K LS	potassium chloride	FOR SUSPENSION, EXTENDED RELEASE;ORAL	019561-003	Aug 26, 1988		DISCN	Yes	No

Expired US Patents for MICRO-K

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Nesher Pharms	MICRO-K	potassium chloride	CAPSULE, EXTENDED RELEASE;ORAL	018238-001	Approved Prior to Jan 1, 1982

International Patents for MICRO-K

See the table below for patents covering MICRO-K around the world.

Country	Patent Number	Title	Estimated Expiration
France	2484254
Australia	544965
Philippines	15605	CONTROLLED RELEASE POTASSIUM DOSAGE FORM
Italy	8167071
United Kingdom	2077587	CONTROLLED RELEASE POTASSIUM DOSAGE FORM
Germany	3100808
Netherlands	192430

Supplementary Protection Certificates for MICRO-K

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1718641	2012/008	Ireland		PRODUCT NAME: AZILSARTAN MEDOXOMIL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF, INCLUDING THE POTASSIUM SALT; REGISTRATION NO/DATE: EU/1/11/734/001-011 EU/1/11/735/001-011 20111209
0253310	SPC/GB95/010	United Kingdom		PRODUCT NAME: 2-N-BUTYL-4-CHLORO-1-((2'-(1H-TETRAZOL-5-YL)BIPHENYL-4-YL) METHYL) -5-(HYDROXYMETHYL) IMIDAZOLE, OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN PARTICULAR A POTASSIUM SALT; REGISTERED: SE 12209 19940902; UK 0025/0324 19941215; UK 0025/0336 19941215
1718641	SPC/GB12/028	United Kingdom		PRODUCT NAME: AZILSARTAN MEDOXOMIL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF, INCLUDING THE POTASSIUM SALT; REGISTERED: UK EU/1/11/734/001-011 20111209
1499331	SPC/GB13/034	United Kingdom		PRODUCT NAME: IZINOVA CONCENTRATE FOR ORAL SOLUTION. THE ACTIVE SUBSTANCE IS A MIXTURE OF 3 SALTS:SODIUM SULPHATE ANHYDROUS, MAGNESIUM SULPHATE HEPTAHYDRATE AND POTASSIUM SULPHATE.; REGISTERED: BE BE434323 20130220; UK PL34926/0016 20130313
1441735	2008/010	Ireland		PRODUCT NAME: RALTEGRAVIR OR A PHARMECEUTICALLY ACCEPTABLE SALT THEREOF, ESPECIALLY THE POTASSIUM SALT; NAT AUTHORISTION NO/DATE: EU/1/07/436/001-002 20071220;
0480717	98C0025	Belgium		PRODUCT NAME: LOSARTAN POTASSIUM; HYDROCHLOROTHIAZIDE; NAT. REGISTRATION NO/DATE: NL 20 037 19950215; FIRST REGISTRATION: FR - NL 20 037 19950215
0733366	SPC/GB98/031	United Kingdom		PRODUCT NAME: 2-BUTYL-4-CHLORO-1-((2'-(1H-TETRAZOL-5-YL) BIPHENYL-4-YL)-METHYL)-5-(HYDROXYMETHYL)IMIDAZOLE (LOSARTAN),OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN PARTICULAR A POTASSIUM SALT( LOSARTAN POTASSIUM) AND HYDROCHLOROTHIAZIDE,; REGISTERED: FR 338520.7 19950215; FR 558453.7 19950215; UK 00025/0338 19960412