Last Updated: September 27, 2026

Patent: 8,337,856

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Summary for Patent: 8,337,856

Title:	Methods of treatment using anti-ERBB antibody-maytansinoid conjugates
Abstract:	The application concerns methods of treatment using anti-ErbB receptor antibody-maytansinoid conjugates, and articles of manufacture suitable for use in such methods. In particular, the invention concerns ErbB receptor-directed cancer therapies, using anri-ErbB receptor antibody-maytansinoid conjugates.
Inventor(s):	Walter Blättler, Ravi V. J. Chari
Assignee:	Immunogen Inc
Application Number:	US11/949,351
Patent Claims:	see list of patent claims

Details for Patent 8,337,856

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Genentech, Inc.	KADCYLA	ado-trastuzumab emtansine	For Injection	125427	22-Feb-13	⤷ Start Trial	2027-12-03
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 8,337,856

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Country	Patent Number	Estimated Expiration
Argentina	024464	⤷ Start Trial
Austria	500848	⤷ Start Trial
Austria	E437655	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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