1. Originally valid for 17 years,but are now valid for 20 years.
2. Protection for those who have legal ownership of an invention.
3. Invention must be novel and non-obvious.
4. Owner has exclusive control of invention for 20 years.
+ Cryptographic algorithm.
5. The strongest form of protection.
6. Published to stimulate other inventions.
7. PCT (Patent Corporation Treaty) has been adopted by other 130 countries to provide the international protection of patents.
8. No organization enforces patents.It is up to the owner to purse the patent rights through the legal system.
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