Which drugs does patent 6,274,171 protect, and when does it expire?
Patent 6,274,171 protects EFFEXOR XR and is included in one NDA. There has been one Paragraph IV challenge on Effexor XR.
Protection for EFFEXOR XR has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.
This patent has eighty-seven patent family members in forty-four countries.