You can register your trademark at the trademark registry, Ministry of industry, Trade and Investment, Abuja Nigeria. The validity term of a trademark in Nigeria is 7 years from the filing date and renewable for the successive periods of 14 years.Application-Acknowledgement: Fill the necessary prescribed form for the Trademark application. Trademarks, Patents and Designs can now be filed online in Nigeria. The relevant law that governs Trademark in Nigeria is the Trademarks Act, Laws of the Federation of Nigeria 2004 (LFN 2004). The initial registration of a trademark in Nigeria is valid for seven years from the date of application. Keep taking practice tests on a regular basis until you run out of practice tests or it's time for the actual test.