You can register your trademark at the trademark registry, Ministry of industry, Trade and Investment, Abuja Nigeria. Application-Acknowledgement: Fill the necessary prescribed form for the Trademark application.The validity term of a trademark in Nigeria is 7 years from the filing date and renewable for the successive periods of 14 years. Trademarks, Patents and Designs can now be filed online in Nigeria. The initial registration of a trademark in Nigeria is valid for seven years from the date of application.