Andrew Designed a License Plate Holder for Automobiles That Makes

Andrew designed a license plate holder for automobiles that makes theft of the license plate practically impossible.He has filed an application for a patent through the Patent Cooperation Treaty (PCT) office and it has been approved.How long does this application protect his right to file for patent protection in the member countries?

A) 3 days
B) 6 months
C) 1 year
D) 2 ½ years