Patents, Copyrights, and Trademarks

Respond to ONE of the following:

Question A

Sarah invents a type of cartridge for ink for copy machines. The cartridge is identical to previous cartridges invented by others, although it is slightly smaller. Is the invention patentable? Discuss.

Question B

Alex has been working on inventing a new type of dog leash for nearly two years. Last month, his friend Andrew looked at the leash and made a suggestion to Alex about the leash that Alex then adopted. Alex filed a patent application for the leash, and Andrew is now claiming he is a co-inventor. Discuss whether Andrew and Alex are joint inventors.