ABE & PARTNERS: The Architects of Legal Innovation in a Borderless World
In the area of intellectual property “and global litigation, there is a name you cannot miss. ABE & PARTNERS is a Japanese law firm that has established itself as a leader in the field by providing unique, creative, custom-made solutions where their lawyers not only go beyond the client’s goals but also seek to advance the legal innovation and standard of thinking that clients expect. As dedicated to precision, innovation and building long-term client relationships, ABE & PARTNERS is among the highly rated firms of its type in the pharmaceutical and IP areas.
Excellence in Complex Litigation/Deals
ABE & PARTNERS has worked on notable cases such as its representation of Baxalta in Japan’s first-ever antibody patent infringement case. This landmark case set a precedent in Japanese pharmaceutical patent litigation, demonstrating ABE & PARTNERS’ expertise in handling complex biopharmaceutical disputes. The case involved intricate legal and technical arguments, requiring a deep understanding of both patent law and cutting-edge scientific developments. ABE & PARTNERS has also provided critical IP due diligence services to Shire during Takeda Pharmaceutical’s $62 billion acquisition of Shire, the largest M&A transaction in Japan’s pharmaceutical M&A history. Its extensive analysis helped Shire successfully integrate the IP assets acquired by Takeda into its existing portfolio, demonstrating the strength of the firm’s expertise in international IP due diligence.

In 2024, ABE & PARTNERS experienced a bountiful year with four successful decisions and zero losses. Notably, they achieved victories representing various pharmaceutical giants. ABE & PARTNERS notably secured a triumph for a Japanese pharmaceutical company by invalidating all claims of an Indian pharmaceutical company’s patent linked to the Zika virus vaccine. Additionally, they represented a US pharmaceutical company, overturning the JPO’s cancellation notice and maintaining the patent’s claims unaltered. Furthermore, in a significant legal battle representing Bayer Healthcare and Regeneron Pharmaceuticals against Samsung Bioepis, ABE & PARTNERS effectively quashed Samsung Bioepis’ unfair competition claim. These cases form part of a broader global litigation landscape between Regeneron/Bayer and biosimilar companies concerning Eylea, a prominent biopharmaceutical medicinal drug.
Global Reach and Multidisciplinary Expertise
Its global reach makes ABE & PARTNERS one of the highly rated international law firms. By working with Nobel Prize-winning scientists and industry leaders, ABE & PARTNERS develops fresh scientific research-based legal arguments, aim to chart new territory. By being a guest professor at Osaka University Graduate School of Medicine, Takanori ABE understands both medicine and pharma which enables him to possess unique technical capabilities to address a broad range of challenging scientific and intellectual property issues, from pharmaceutical patent disputes to biotechnology patent cases.
Staying Ahead of Legal Trends
In an ever-evolving legal environment, ABE & PARTNERS is always ahead of the game. The philosophy of It takes all the running you can do to keep in the same place. Drives their commitment to staying ahead in the legal field. Using their extensive global legal network, they make frequent research trips to and from regulatory announcements, to ensure that their clients receive a relevant and proactive legal strategy. ABE & PARTNERS has advanced the law as far as emerging jurisdictions such as biosimilars, regenerative medicines, and standard-essential patent and the implementation of FRAND obligations.
Shaping the Future of Legal Practice
As ABE & PARTNERS keeps pioneering the frontiers of legal innovation, it has also maintained its pursuit of the future of the practice of law. The spirit of innovation at ABE & PARTNERS, combined with its firm’s sincere interest in achievement gives clients a decisive partner in challenging legal situations. On any given case, ABE & PARTNERS have attained outstanding reputations as legal experts, both in Japan and abroad. Some of their clients appreciated ABE & PARTNERS by stating that they are equivalent to the top firms in the Western countries in their quality and speed.
Indeed, ABE & PARTNERS is more than just a law firm: it is an essential partner to businesses that have difficulty to overcoming legal obstacles, with a professional and strategic approach, because their unique combination of scientific knowledge and legal expertise makes it a leading player in the field, in the world of the modern global marketplace.
“Innovative Legal Strategies, Global Expertise, Unmatched Precision.”
“Navigating Complex Legal Challenges with Science, Strategy, and Integrity.”
Company Name : ABE & PARTNERS
Website : http://www.abe-law.com/en/
Management Team
Takanori ABE | Managing Partner