Onyekachi 提供商標和專利法方面的法律服務, 版權法, 娛樂法, 和知識產權訴訟. 他在品牌建立過程的各個階段提供品牌發展和保護方面的建議. 特別, 他在尼日利亞進行並獲得商標許可查詢, 提供可註冊性意見, 並為客戶設計量身定制的進攻和防守品牌策略, 其中可能包括許可策略. Onyekachi helps individuals and businesses obtain trademark registrations in Nigeria in trademark oppositions and expungement proceedings in Nigeria.

Onyekachi has experience providing brand advice to clients in numerous fields and industries including (但不限於) 食品和食品服務行業, 服裝業, 健康與生命科學行業. Onyekachi Davidfrequently advises creative and social entrepreneurs, 科技初創企業, 和藝術家.

Onyekachi has extensive experience drafting various commercial agreements with a special focus on creating tailored intellectual property related contracts including: 執照, 作業, 保密協議, 保密協議, 僱傭協議的知識產權條款, 和獨立承包商協議, 等等.