🇺🇸 FDA
Patent

US 8809502

Mutated anti-CD22 antibodies with increased affinity to CD22-expressing leukemia cells

granted A61KA61K2039/505A61K47/6829

Quick answer

US patent 8809502 (Mutated anti-CD22 antibodies with increased affinity to CD22-expressing leukemia cells) held by The United States of America as Represented by the Secretary of the Department of Health and Human Services expires Mon Aug 14 2034 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
The United States of America as Represented by the Secretary of the Department of Health and Human Services
Grant date
Tue Aug 19 2014 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Aug 14 2034 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
18
CPC classes
A61K, A61K2039/505, A61K47/6829, A61K47/6849, A61K47/6875