Two recent decisions by the Patent Trial & Appeal Board (PTAB) highlight the nuances of allowable and impermissible drawing amendments during prosecution of U.S. design patent applications, and provide important guidance to design patent applicants on how to prepare their applications to ensure maximum flexibility during prosecution.
Continue Reading Recent PTAB Guidance on Permissible Drawing Amendments for U.S. Design Applications 

Paisley Park Enterprises, Inc., the music publishing company founded by the late artist Prince, recently obtained a federal trademark registration for the purple color shown below known as “Love Symbol #2” in the Pantone Matching System.  The registration covers music, video, and motion picture-related recording goods in International Class 009.

Continue Reading Prince’s Estate Makes it Rain Purple on the USPTO