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.
A patent is granted to an invention that is original and has features that have not been there before. Patent rights are granted for 20 years and are applicable in the country of the patent seeker. A patent is granted by the Patent and Trademark Office, after careful study of the invention.