Disney's rights to young Mickey Mouse may be wrong (Thanks, Xeni!)
Brown went searching for flawed formalities -- and found one. It was on the title card at the beginning of a "Steamboat Willie" cartoon that had just been rereleased on a 1993 LaserDisc honoring Mickey's 65th birthday. It said in full:
A Mickey Mouse
A Walt Disney Comic
By Ub Iwerks
Recorded by Cinephone Powers System
The authoritative legal treatise "Nimmer on Copyright" says that a copyright is void if multiple names create uncertainty, and courts have agreed. In 1961, a federal judge in Massachusetts cited the "accompanied by" rule in throwing out a copyright claim by newspaper cartoonist Art Moger. Moger's name was included in the title above his panels, but the name of another artist ran inside the boxes.