Tiernan advises a wide range of clients, from individual entrepreneurs to multinational corporations, on UK, EU, and international trade mark matters. He works across various industries, including cosmetics, energy, finance, food and drink, entertainment, healthcare, pharmaceuticals, and software.
With extensive experience in trade mark filing, prosecution, and enforcement, Tiernan assists clients with availability searches, devising filing strategies, responding to official objections, and managing contentious proceedings. He also regularly negotiates, drafts, and finalises settlements, and assists with implementing customs protection and taking action against counterfeit goods.