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Serving hundreds of leading biopharmaceutical companies globally:

Fish and Richardson
Chinese Patent Office
Fuji
Queensland Health
Baxter
Boehringer Ingelheim
Cerilliant
AstraZeneca
Mallinckrodt

Generated: May 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,921,843

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Summary for Patent: 4,921,843
Title: Contraception system and method
Abstract:A method of contraception is disclosed which comprises a two-stage protocol. In the first stage, an estrogenic compound in a first composition is administered daily as the sole contraceptively active substance to a human female from about Day 2 to about Day 7 of her menstrual cycle, where Day 1 is the first day of menses. The second stage of the protocol occurs immediately thereafter during which at least one follow-up composition containing a progestin is administered daily to the same human female. The follow-up composition can contain a progestin as the sole contraceptively active ingredient, or can contain a combination of an estrogenic compound with a progestin in different weight ratios. A drug delivery system containing daily dosage units is also described.
Inventor(s): Pasquale; Samuel A. (Basking Ridge, NJ)
Assignee:
Application Number:07/260,447
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,921,843
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Delivery; Compound;

Drugs Protected by US Patent 4,921,843

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
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

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Serving hundreds of leading biopharmaceutical companies globally:

Fuji
Farmers Insurance
McKinsey
Boehringer Ingelheim
Chinese Patent Office
Teva
Harvard Business School
Moodys
Federal Trade Commission

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