This 132-page document shows full extent of iPhone's influence on Samsung interface design. Written
in 2010, this competitive analysis shows benchmarking by Samsung’s
product engineering team, and an overwhelmingly detailed
screen-by-screen comparison of the iPhone and the Galaxy S I, in an
effort to document and improve upon iPhone design failures and UI.
Industry competitive intelligence or not, Apple used this document
to gain leverage and win the patent battle between the two tech
giants.
The document won that Apple's Patent Case
Here's Samsung's Step-By-Step Guide On How To Copy An iPhone.