Mr. Garrison has an "AV/Preeminent Attorney" rating with Martindale Hubbell. He is listed in the 2007-2012 editions of The Best Lawyers in America, by Woodward/White, Aiken, S.C in the category of Intellectual Property Law and in the 2012 edition for Copyright Law, Patent Litigation and Trademark Law. Mr. Garrison has been named Best Lawyers' Lawyer of the Year in 2012 in Patent Litigation. He is also listed in "Top Lawyers in Arizona 2008" in Arizona Business Magazine.
Mr. Garrison is listed in the 2007-2012 editions of Southwest Super Lawyers in the category of Intellectual Property, and in the 2009 and 2010 Corporate Counsel editions in the category of Intellectual Property. He was also included in the 2010 edition of AZ Business' Top Lawyers, in the categories of Intellectual Property Law and Information Technology Law.
While attending The University of North Carolina Chapel Hill, Mr. Garrison was a James M. Johnston Scholar.