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Last Updated: June 16, 2021

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RAYOS Drug Profile


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When do Rayos patents expire, and what generic alternatives are available?

Rayos is a drug marketed by Horizon Pharma Usa and is included in one NDA. There are six patents protecting this drug and one Paragraph IV challenge.

This drug has fifty-three patent family members in twenty-nine countries.

The generic ingredient in RAYOS is prednisone. There are sixteen drug master file entries for this compound. Forty-six suppliers are listed for this compound. Additional details are available on the prednisone profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Rayos

A generic version of RAYOS was approved as prednisone by WATSON LABS on December 31st, 1969.

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Paragraph IV (Patent) Challenges for RAYOS
Tradename Dosage Ingredient NDA Submissiondate
RAYOS TABLET, DELAYED RELEASE;ORAL prednisone 202020 2012-11-26

US Patents and Regulatory Information for RAYOS

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Horizon Pharma Usa RAYOS prednisone TABLET, DELAYED RELEASE;ORAL 202020-001 Jul 26, 2012 RX Yes No   Get Started Free   Get Started Free   Get Started Free
Horizon Pharma Usa RAYOS prednisone TABLET, DELAYED RELEASE;ORAL 202020-002 Jul 26, 2012 RX Yes No   Get Started Free   Get Started Free   Get Started Free
Horizon Pharma Usa RAYOS prednisone TABLET, DELAYED RELEASE;ORAL 202020-001 Jul 26, 2012 RX Yes No   Get Started Free   Get Started Free Y   Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for RAYOS

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Horizon Pharma Usa RAYOS prednisone TABLET, DELAYED RELEASE;ORAL 202020-001 Jul 26, 2012   Get Started Free   Get Started Free
Horizon Pharma Usa RAYOS prednisone TABLET, DELAYED RELEASE;ORAL 202020-002 Jul 26, 2012   Get Started Free   Get Started Free
Horizon Pharma Usa RAYOS prednisone TABLET, DELAYED RELEASE;ORAL 202020-002 Jul 26, 2012   Get Started Free   Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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Serving leading biopharmaceutical companies globally:

Moodys
McKesson
Merck
Harvard Business School
Boehringer Ingelheim
Medtronic

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