CREXONT Drug Patent Profile
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When do Crexont patents expire, and when can generic versions of Crexont launch?
Crexont is a drug marketed by Impax and is included in one NDA. There are sixteen patents protecting this drug and one Paragraph IV challenge.
This drug has thirty-two patent family members in thirteen countries.
The generic ingredient in CREXONT is carbidopa; levodopa. There are eighteen drug master file entries for this compound. Thirty-five suppliers are listed for this compound. Additional details are available on the carbidopa; levodopa profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Crexont
A generic version of CREXONT was approved as carbidopa; levodopa by DR REDDYS LABS SA on August 28th, 1992.
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Questions you can ask:
- What is the 5 year forecast for CREXONT?
- What are the global sales for CREXONT?
- What is Average Wholesale Price for CREXONT?
Summary for CREXONT
International Patents: | 32 |
US Patents: | 16 |
Applicants: | 1 |
NDAs: | 1 |
Finished Product Suppliers / Packagers: | 1 |
What excipients (inactive ingredients) are in CREXONT? | CREXONT excipients list |
DailyMed Link: | CREXONT at DailyMed |

Pharmacology for CREXONT
Drug Class | Aromatic Amino Acid |
Paragraph IV (Patent) Challenges for CREXONT
Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
---|---|---|---|---|---|---|
CREXONT | Extended-release Capsules | carbidopa; levodopa | 35 mg/140 mg 52.5 mg/210 mg 70 mg/280 mg 87.5 mg/350 mg | 217186 | 1 | 2024-09-23 |
US Patents and Regulatory Information for CREXONT
CREXONT is protected by twenty-one US patents and one FDA Regulatory Exclusivity.
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-002 | Aug 7, 2024 | RX | Yes | No | 12,064,521 | ⤷ Try for Free | Y | ⤷ Try for Free | |||
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-003 | Aug 7, 2024 | RX | Yes | No | 10,688,058 | ⤷ Try for Free | Y | ⤷ Try for Free | |||
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-003 | Aug 7, 2024 | RX | Yes | No | 12,194,150 | ⤷ Try for Free | ⤷ Try for Free | ||||
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-003 | Aug 7, 2024 | RX | Yes | No | 11,986,449 | ⤷ Try for Free | ⤷ Try for Free | ||||
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-003 | Aug 7, 2024 | RX | Yes | No | 10,292,935 | ⤷ Try for Free | Y | ⤷ Try for Free | |||
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-004 | Aug 7, 2024 | RX | Yes | Yes | 10,292,935 | ⤷ Try for Free | Y | ⤷ Try for Free | |||
Impax | CREXONT | carbidopa; levodopa | CAPSULE, EXTENDED RELEASE;ORAL | 217186-004 | Aug 7, 2024 | RX | Yes | Yes | 12,178,918 | ⤷ Try for Free | Y | ⤷ Try for Free | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
International Patents for CREXONT
See the table below for patents covering CREXONT around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
China | 105658211 | 左旋多巴和/或左旋多巴的酯的粘膜粘附性、控制释放调配物和其用途 (Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof) | ⤷ Try for Free |
Colombia | 2023009085 | Pauta posológica de levodopa | ⤷ Try for Free |
European Patent Office | 3054929 | FORMULATIONS MUCOADHÉSIVES À LIBÉRATION CONTRÔLÉE DE LÉVODOPA ET/OU D'ESTERS DE LÉVODOPA ET LEURS UTILISATIONS (MUCO-ADHESIVE, CONTROLLED RELEASE FORMULATIONS OF LEVODOPA AND/OR ESTERS OF LEVODOPA AND USES THEREOF) | ⤷ Try for Free |
Japan | 2019094353 | レボドパ及び/又はレボドパのエステルの粘膜付着性制御放出配合物、並びにその使用 (MUCOADHESIVE CONTROLLED RELEASE FORMULATIONS OF LEVODOPA AND/OR ESTERS OF LEVODOPA, AND USES THEREOF) | ⤷ Try for Free |
Japan | 2016532655 | レボドパ及び/又はレボドパのエステルの粘膜付着性制御放出配合物、並びにその使用 | ⤷ Try for Free |
Mexico | 369315 | ⤷ Try for Free | |
South Korea | 20230124622 | ⤷ Try for Free | |
>Country | >Patent Number | >Title | >Estimated Expiration |
Market Dynamics and Financial Trajectory for CREXONT
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