Item 8.01 Other Events
Biogen Idec has been issued U.S. patent #7,588,755 for the use of beta
interferon for immunomodulation or treating a viral condition, viral disease,
cancers or tumors. This patent covers the treatment of multiple sclerosis with
AVONEX® (Interferon beta-1a), which is Biogen Idec's brand of recombinant beta
interferon. This patent will expire in September 2026.