1. Does the act of refilling empty LPG gas cylinder tank bearing a registered trademark amount to infringement of unfair competition or both? Explain

2. What are the so-called "unregistrable marks?

3. What are the territorial limits of a trademark?

4. The widow of a former President commissioned Matalino to wr1te a biography of her late husband for a fee. Upon completion of the work, the widow paid Matalino the agreed price. The biography was copyrighted. The widow, however, changed her mind upon reading the book and decided not to have it published.

1. Can the President's widow sell the property without the consent of Matalino? Explain.

2. Can the President's widow transfer the copyright without the consent of Matalino?

5. BR and CT are noted artists whose paintings are highly prized by collectors. Dr. DL commissioned them to paint a mural at the main lobby of his new hospital for children. Both agreed to collaborate on the project for a total fee of two million pesos to be equally divided between them. It was also agreed that Dr. DL had to provide all the materials for the painting and pay for the wages of technicians and laborers needed for the work on the project . Assume that the project is completed and both BR and CT are fully paid the amount of P2M as artists' fee by DL. Under the law on Intellectual property, who will own the mural? Who will own the copyright in the mural? Why? Explain.