tofersen · Biogen Ma · NDA 215887

Qalsody

Earliest generic entry, as listed
1 Apr 2035

Blocked by patent: US 10385341, US 10669546, US 10968453.

Listed patents · 3 unexpired

PatentClaimsExpires
US 10385341substance, product1 Apr 2035
US 10669546use U-35751 Apr 2035
US 10968453use U-35751 Apr 2035

Exclusivities · 2 unexpired

ODE-432orphan drug (7 years)25 Apr 2030
NCEnew chemical entity (5 years)25 Apr 2028

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
215887 · 001 · RLDsolution, intrathecal100MG/15ML (6.7MG/ML)1 Apr 2035