The Patent Cooperation Treaty (PCT) allows U.S. exporters to file for patent protection in multiple countries simultaneously. What is the primary benefit of the PCT system?
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A
It grants a global patent valid in all member countries automatically
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B
It delays the cost of foreign national-phase filing while preserving a single priority date
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C
It eliminates the need for national patent examination in each country
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D
It provides automatic 20-year patent protection worldwide