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.
However, there are also many differences. Duration of protection: different terms. Canada continues to recognize a duration of copyright as the authorâs life plus 50 years. Whereas since 1998, the basic term of copyright in the U.S. is the authorâs life plus 70 years.