1. Sid is a fine arts student in a ABC University. During his second year in college, he lived with Carl. While at home, he would paint and leave his finished works lying around. At the end of the semester, Ben saw one of his paintings on display at one coffee shop. The owner said he purchased the painting from Carl who represented himself as its painter and owner. Ben and the coffee shop owner immediately confronted Carl. While he admitted that he was not the painter, Carl claimed ownership of its copyright since he had already registered it in his name with the National Library as provided in the Intellectual Property Code. Who among the three owns the copyright to the painting? Explain briefly

2. Allyssa discovered a new method of treating cancer involving a special method of diagnosing the disease, treating it with a new medicine that has been discovered after long experimentation and field testing. Can he legally protect his new method of diagnosis, the new medicine, and the new method of treatment?