We started out with three each of three different types of plants: one member of each set was given water that had been boiled on a gas stove, water that had been boiled in a microwave oven, or water that had not been boiled at all.
Drug patent protection: How long is long enough? A recent Senate committee hearing on Bill S-17, Parliament's effort to comply with international trade rules by extending pharmaceutical patent protection to 20 years, inadvertently opened the door to a broader investigation of the inner workings of the country's pharmaceutical patent legislation.
1 COPYRIGHT LAW. 2  Copyright law protects the creators of expressive works, such as artists, photographers, writers, and musicians, and gives them the exclusive right to protect how their works are used. 3  It is important to note that, unlike trademark law, copyright law does not protect names or titles. Patent law protects inventions. 2  By filing and obtaining a patent from the United States Patent and Trademark Office, the inventor of a product receives a monopoly on the commercial exploitation and use of a product for up to 20 years.