Wednesday, July 8, 2026

Patent intelligence · US

US 10221455

Methods of reducing immunogenicity against factor VIII in individuals undergoing factor VIII therapy

granted A61KA61K2039/6031A61K2039/6056A61K38/21
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 13
Applicant portfolio 140
Patent details — US 10221455
Jurisdiction
US
Status
granted
Grant date
Mar 5, 2019
Expiration
Feb 28, 2039
Claims
25
CPC classes
A61K, A61K2039/6031, A61K2039/6056, A61K38/21
View on Google Patents ↗

Quick answer

US 10221455 (Methods of reducing immunogenicity against factor VIII in individuals undergoing factor VIII therapy) is held by BIOVERATIV THERAPEUTICS INC.. Status: granted. Granted Mar 5, 2019. Expires Feb 28, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
25
CPC classes
A61K, A61K2039/6031, A61K2039/6056, A61K38/21, A61K38/37, A61K39/0008

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Frequently asked questions

What is US patent 10221455?

US 10221455 (Methods of reducing immunogenicity against factor VIII in individuals undergoing factor VIII therapy) is held by BIOVERATIV THERAPEUTICS INC.. Status: granted. Granted Mar 5, 2019. Expires Feb 28, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10221455?

BIOVERATIV THERAPEUTICS INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 140 pharmaceutical patents for this assignee.

When does US 10221455 expire?

Our index shows an expiration date of Feb 28, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.