colchicine · Takeda Pharms Usa · NDA 022352

Colcrys

Earliest generic entry, as listed
17 Feb 2029

No marketed reference-listed strength; date taken from all listed strengths.

Blocked by patent: US 7820681, US 7906519, US 7915269, US 8440721, US 8440722. Only method-of-use patents remain, so a generic may carve out the protected indication and enter earlier.

Listed patents · 17 unexpired

PatentClaimsExpires
US 7820681use U-102017 Feb 2029
US 7906519use U-111617 Feb 2029
US 7915269use U-100717 Feb 2029
US 8440721use U-100717 Feb 2029
US 8440722use U-102017 Feb 2029
US 7601758use U-100710 Feb 2029
US 7619004use U-10203 Dec 2028
US 7935731use U-11163 Dec 2028
US 7964647use U-10076 Oct 2028
US 7964648use U-11616 Oct 2028
US 7981938use U-11666 Oct 2028
US 8093296use U-10076 Oct 2028
US 8093297use U-11616 Oct 2028
US 8093298use U-11166 Oct 2028
US 8097655use U-10206 Oct 2028
US 8415395use U-10076 Oct 2028
US 8415396use U-10076 Oct 2028

Exclusivities · 0 unexpired

No unexpired exclusivities listed.

Paragraph IV certifications · 0

No Paragraph IV certification listed by FDA for this drug.

The list shows that a generic applicant certified to FDA that a listed patent is invalid or not infringed. It does not show litigation, settlements or launch timing.

Event history

No events yet. The first ingestion only records products entering their 12-month window; changes appear from the next Orange Book update.

Products covered · 1

NDA · productFormStrengthListed expiry
022352 · 001 · RLD · discontinuedtablet, oral0.6MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**17 Feb 2029