Useful Links
Adobe Acrobat Free Reader Obtain the Reader for receiving patent drawings via e-mail
United States Patent Attorneys/Agents listed by State

Google search for Patent Litigation in the News  

Publications provided by the USPTO
Guide for the Preperation of Patent Drawings 2002

A Guide to Filing a Utility Patent Application 
A Guide to Filing a Design Patent Application  
General Information Concerning Patents

US Patent and Trademark Office
General Information Concerning Patents from USPTO Web site
USPTO - United States Patent and Trademark Office
Patents Guidance, Tools & Manuals
Standard for U.S. Patent Drawings 37 CFR 1.84
MPEP - Manual of Patent Examining Procedure
United States Patent Search 

Patent Drawing Specifications for Patent CooperationTreaty [PCT]
PCT Regulations - Table of Contents

Various Patent Offices
PCT - Patent Cooperation Treaty
WIPO - World Intellectual Property Organization
Office Sites Around the World