Theresa Osime Onyido, Managing Partner of Tessaa Attorneys, is a Nigerian legal practitioner and entrepreneur with experience in real estate, construction, corporate and commercial transactions, intellectual property, dispute resolution and fashion law. Through her boutique law firm, she provides strategic legal services to property investors, corporate clients and creative entrepreneurs, focusing on asset protection, brand development and sustainable business growth.
With a particular interest in the intersection of law and creativity, Onyido has developed a specialised practice in fashion law, advising designers and fashion businesses on intellectual property protection, contractual structuring, brand development and regulatory compliance. She also heads the African Fashion Ombuds and Dispute Resolution Centre, an initiative of FLIAfrica dedicated to resolving disputes within the fashion industry. Combining her experience as a lawyer and fashion designer, she advocates greater legal awareness among creatives and promotes the development of protected, scalable and globally competitive fashion brands.
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Theresa Osime Onyido is a Nigerian legal practitioner, entrepreneur, and Founder of Tessaa Attorneys, a boutique law firm providing strategic legal services in real estate, construction, corporate and commercial transactions, intellectual property, dispute resolution, and fashion law.
Her practice is driven by a commitment to precision, commercial awareness, and long-term value creation for clients.
Theresa has worked with property investors, corporate clients, and creative entrepreneurs, offering structured legal solutions that protect assets, strengthen brands, and support sustainable growth.
With a strong interest in the intersection of law and creativity, she has developed a focused practice in fashion law, advising designers and fashion businesses on intellectual property protection, contractual structuring, brand development, and regulatory compliance. She also heads the African Fashion Ombuds and Dispute Resolution Centre, an FLIAfrica initiative dedicated to resolving disputes within the fashion industry. As both a lawyer and fashion designer, she brings a practical and industry-informed perspective to her legal advisory work within the creative space.
Theresa is passionate about advancing legal awareness within the fashion ecosystem and equipping creatives with the legal tools necessary to build protected, scalable, and globally competitive brands.