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Patent Information

International and Regional Arrangements:

  • Paris convention:  Yes
  • PCT:  Yes (national phase deadline is 30 months from the priority date)
  • ARIPO:  Yes (see ARIPO requirements for designating Lesotho in an ARIPO application)
  • OAPI:  No

Filing Requirements:

  • Published PCT application or English specification, claims and abstract (required on the day of filing)
  • Power of Attorney, notarised (no set deadline)
  • Assignment of Invention (no set deadline)
  • International Search Report and International Preliminary Report on Patentability (no set deadline)
  • Certified priority document with verified English translation (can be filed within three months)

Novelty:   Novelty is destroyed by anything disclosed to the public by (a) publication in a tangible form anywhere in the world, or (b) prior oral disclosure, by use or in any other way in Lesotho

Patentability:   Methods of medical treatment, surgery or diagnosis are not patentable

Excess Fees:   None

Examination:   As to form only

Term of Patent:   15 years from the effective filing date, extendible by a further 5 years. 20 years for an ARIPO patent

Renewals:   Payable annually in advance from the first anniversary of the effective filing date

General Information

  • Area: Approximately 30 500 km2
  • Population: 2 million
  • Capital: Maseru
  • Currency: Maloti
  • GDP:  $ 3.31 billion (2010)
  • Domain name extension: .ls
  • Languages: English, Sesotho (official languages)
  • Exports: Clothing; footwear; wool; mohair; livestock; food
  • Imports:  Food; building materials; vehicles; machinery; medicines; petroleum products

International / Regional Conventions:

  • Banjul Protocol (of ARIPO)
  • Berne Convention
  • Madrid Agreement on Marks
  • Madrid Protocol on Marks
  • Paris Convention
  • Patent Cooperation Treaty
  • WIPO Convention