Which drugs does patent 5,747,498 protect, and when does it expire?
Patent 5,747,498 protects TARCEVA and is included in one NDA. There has been one Paragraph IV challenge on Tarceva.
Protection for TARCEVA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.
This patent has sixty-seven patent family members in forty-one countries.