Not directly connect to ‘digital drugs’ but very relevant to the understanding of off label use.

A very clear report on recent patent dispute between Warner-Lambert (part of the Pfizer group) and Actavis (a generic manufacturer):

Carpmaels & Ransford LLP (2015) International report – English courts tackle Swiss-type claims and off-label use, in : Intellectual Asset Management (IAM online publication) – http://www.iam-magazine.com/reports/Detail.aspx?g=0469bfaf-bbff-488b-b0f6-3628fa755b65