Patents

Although Tanganyika and Zanzibar have joined to form the United Republic of Tanzania, no unified Industrial Property Law has been enacted and separate applications are required in each territory.

International Arrangements:

  • Paris Union (from 16 June 1965 - as United Republic of Tanzania)
  • WIPO (from 30 December 1983 - as United Republic of Tanzania)
  • ARIPO (from 1 September 1999)
  • PCT (from 14 September 1999)

Types of Patents Available:

  • Patents of Invention
  • National Phase PCT application
  • ARIPO application
  • ARIPO Regional Phase PCT application

Novelty Requirement:

Absolute novelty is required. However, novelty will not be destroyed if the disclosure of the invention to the public occurred not earlier than twelve months preceding the filing date or where applicable the priority date, and it was as a consequence of:

  • the applicant or his predecessor in title displaying the invention at an official or officially recognised international exhibition, or
  • an abuse committed by a third party with regard to the applicant or his predecessor in title.

Patentability:

Diagnostic, therapeutic and surgical methods for the treatment of humans and animals are not patentable. However products for use in any such methods may be patented.

Filing Requirements:

National Phase PCT Application:

  • Power of Attorney (simply signed) (can be late filed, no set deadline)
  • Specification, claims and abstract in English (required on the day of filing)
  • Formal drawings, if applicable (required on the day of filing)
  • International Patent Classification (can be late filed, no set deadline)
  • Assignment of Invention (can be late filed, no set deadline)
  • Copy of Published International Application (required on the day of filing)
  • Copy of International Search Report (can be late filed, no set deadline)
  • Copy of International Preliminary Report on Patentability (can be late filed, no set deadline)

  Patents of Invention (Non-PCT):

  • Power of Attorney (simply signed) (can be late filed, no set deadline)
  • Specification, claims and abstract in English (required on the day of filing)
  • Formal drawings, if applicable (required on the day of filing)
  • International Patent Classification (can be late filed, no set deadline)
  • Assignment of Invention (can be late filed, no set deadline)
  • Priority document with verified English translation (can be late filed within three months)

ARIPO application in which Tanzania is Designated:

Please see aripo

ARIPO Regional Phase PCT Application:

Please see aripo

Grant:

The term of a patent is ten years from the filing date. However the term can be extended for two further periods of five years each. There is uncertainty as to whether the term of an ARIPO patent in Tanzania is twenty years from the date of filing.

Renewal:

Renewal fees fall due annually commencing on the first anniversary of the filing date.

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