We Protect Your Technology, Brand and Business


Innoventier is a Japanese boutique firm with intentional capability specializing in intellectual property and dispute resolution

Innoventier is a business partnership of a Japanese law firm and a patent office led by Ayumu Iijima, an experienced intellectual property attorney who served as Japan’s first counsel for legislative services of the Japan Patent Office.

We offer comprehensive legal service to any areas of intellectual property including patent, utility model, design, trademark, copyright and trade secret, and cutting-edge legal issues such as AI, IoT and data.

Our professionals are well experienced in acting for clients in intellectual property rights infringement litigation, invalidation trial and any other contentious procedures and prosecution. We also offer variety of transactional services including IP due diligence, preparation of memoranda, drafting of various contracts such as license agreements, collaborative development agreement etc.

Our other strength is knowledge and expertise in wide range of dispute resolution. Our professionals provide practical and tailor-made advice from the earliest possible stage to prevent and resolve disputes our client may encounter. Our dispute practice covers negotiation, mediation, litigation and arbitration seated in and outside of Japan.

We have experience in advising and representing our clients in disputes related to: product liability, real property, employment, construction, tax, license, IT, system development, consumer, bankruptcy, insurance, joint venture, corporation related disputes etc.

We work closely with reputable law firms and patent offices around the world. This strong network enables us to serve our international clients in the United States, Europe, Russia, Central Asia, China, Southeast Asia and the Middle East.

Our clients include the Tokyo Stock Exchange (TSE) First Section listed and Fortune 500 companies

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