BLUDIGO Drug Patent Profile
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When do Bludigo patents expire, and what generic alternatives are available?
Bludigo is a drug marketed by Provepharm Sas and is included in one NDA. There are two patents protecting this drug.
This drug has two patent family members in two countries.
The generic ingredient in BLUDIGO is indigotindisulfonate sodium. There are two drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the indigotindisulfonate sodium profile page.
DrugPatentWatch® Generic Entry Outlook for Bludigo
Bludigo will be eligible for patent challenges on July 8, 2026. This date may extended up to six months if a pediatric exclusivity extension is applied to the drug's patents.
By analyzing the patents and regulatory protections it appears that the earliest date
for generic entry will be December 23, 2037. This may change due to patent challenges or generic licensing.
Indicators of Generic Entry
Summary for BLUDIGO
International Patents: | 2 |
US Patents: | 2 |
Applicants: | 1 |
NDAs: | 1 |
Finished Product Suppliers / Packagers: | 1 |
Raw Ingredient (Bulk) Api Vendors: | 109 |
Patent Applications: | 2,354 |
Drug Prices: | Drug price information for BLUDIGO |
What excipients (inactive ingredients) are in BLUDIGO? | BLUDIGO excipients list |
DailyMed Link: | BLUDIGO at DailyMed |


DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for BLUDIGO
Generic Entry Date for BLUDIGO*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
SOLUTION;INTRAVENOUS |
*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.
Pharmacology for BLUDIGO
Drug Class | Diagnostic Dye |
Mechanism of Action | Dyes |
US Patents and Regulatory Information for BLUDIGO
BLUDIGO is protected by two US patents and one FDA Regulatory Exclusivity.
Based on analysis by DrugPatentWatch, the earliest date for a generic version of BLUDIGO is ⤷ Try a Trial.
This potential generic entry date is based on patent ⤷ Try a Trial.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
Patents protecting BLUDIGO
Process for the preparation of Indigotindisulfonate sodium (indigo carmine)
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
FDA Regulatory Exclusivity protecting BLUDIGO
NEW CHEMICAL ENTITY
Exclusivity Expiration: ⤷ Try a Trial
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Provepharm Sas | BLUDIGO | indigotindisulfonate sodium | SOLUTION;INTRAVENOUS | 216264-001 | Jul 8, 2022 | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Provepharm Sas | BLUDIGO | indigotindisulfonate sodium | SOLUTION;INTRAVENOUS | 216264-001 | Jul 8, 2022 | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Provepharm Sas | BLUDIGO | indigotindisulfonate sodium | SOLUTION;INTRAVENOUS | 216264-001 | Jul 8, 2022 | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
>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 BLUDIGO
When does loss-of-exclusivity occur for BLUDIGO?
Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:
European Patent Office
Patent: 59121
Estimated Expiration: ⤷ Try a Trial
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
See the table below for additional patents covering BLUDIGO around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
World Intellectual Property Organization (WIPO) | 2018116325 | ⤷ Try a Trial | |
European Patent Office | 3559121 | NOUVEAU PROCÉDÉ POUR LA PRÉPARATION D'INDIGOTINDISULFONATE DE SODIUM (CARMIN D'INDIGO) (NOVEL PROCESS FOR THE PREPARATION OF INDIGOTINDISULFONATE SODIUM (INDIGO CARMINE)) | ⤷ Try a Trial |
>Country | >Patent Number | >Title | >Estimated Expiration |