National Phase of PCT: under Chapter 1: 31 months; under Chapter II: 31 months.
Validity: issued after a formal and full examination - valid for 20 years from the filing date.
Annuities: accumulated annuities (from 3rd year) are payable at the date of grant of the patent; subsequent annuities are due six months prior to the anniversary of the filing date.
Opposition: during the term of validity of a patent, anybody may file an opposition.
Kinds of protection: verbal, pictorial and other designations or their combination. Service marks are registrable.
Classification: International.
Obligation to use the registered mark: a mark is subject to cancellation if it is not used within five consecutive years preceding the cancellation action, beginning with the registration date.
Duration - renewals: 10-year period after the filing date or last renewal date.
Opposition: improper granted registration shall be cancelled on a third party's request filed within five years as of the granting date.
Duration - renewals: after formal and novelty examination: 5 years from the filing date. Extension possible for two further consecutive 5-year periods.
Opposition: possible.
Duration - renewals: one year, renewable.
Uniform dispute resolution procedure: a Dispute Resolution Policy is provided by the Vietnam Internet Network Information Center.
Area: 329,707 sq. km.
Population: 92,700,000 inhabitants (estimated 2015).
Capital: Hanoi.
Language: Vietnamese.
Currency: Dong (VND).
The Democratic Republic of Vietnam, established in the North on September 2, 1945, adopted a constitution on December 31, 1959, based on communist principles and calling for reunification of all Vietnam. After several years of war, North and South Vietnam became a unified country in 1975. The most recent constitution was adopted in 1992 and revised in 2001. In 1986, Vietnam took significant steps away from a centrally planned economy towards a market-orientated economy.
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