The USPTO have released proposed rules packages under the Leahy-Smith America Invents Act (AIA) which are open for comment.
The proposed rule packages are for the contested case provisions, i.e., inter partes review, post grant review, the transitional program for covered business methods, and derivation.
Proposed Rules for Trials before the Patent Trial and Appeal Board (aka Proposed Umbrella Rules)
Practice Guide for Proposed Trial Rules
Proposed Rules for Post Grant Review
Proposed Rules for Inter Partes Review
Proposed Rules for the Transitional Program for Covered Business Methods
Proposed Rules for the Definition of Technological Invention
Proposed Rules for Derivation
Publication of the proposed rules in the Federal Register will begin a sixty-day public comment period for the proposed rules (i.e. up until early April 2012).
US attorney firm Foley & Lardner have a blog post with initial thoughts on the rule packages here.