Eisai saw the highest growth of 135% in patent filings in March and 161% in grants in January in Q1 2024. Compared to Q4 2023, Q1 2024 saw an increase in patent filings by 106% and grants by 161%. GlobalData’s DataBook provides a comprehensive analysis of Eisai‘s patent filings and grants. Buy the databook here.

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Eisai has been focused on protecting inventions in European Patent Office(EPO) with 17 publications in Q1 2024

The European Patent Office(EPO) Patent Office dominates the patent filings and grants with nearly 10% filings and 13% grants. The China(CN), South Korea(KR), European Patent Office(EPO), and Israel(IL) patent Office are among the top ten patent offices where Eisai is filings its patents. Among the top granted patent authorities, Eisai has 19% of its grants in Israel(IL), 13% in European Patent Office(EPO) and 13% in South Korea(KR).

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Patents related to climate change and rare diseases lead Eisai's portfolio

Eisai has the highest number of patents in climate change followed by, rare diseases and addiction. For climate change, nearly 40% of patents were filed and no patents were granted in Q1 2024.

Alzheimer's disease related patents lead Eisai portfolio followed by marginal zone b-cell lymphoma, and breast cancer

Eisai has highest number of patents in alzheimer's disease followed by marginal zone b-cell lymphoma, breast cancer, lymphoma, and manufacturing/industrial. For alzheimer's disease, nearly 28% of patents were filed and 12% of patents were granted in Q1 2024.

For comprehensive analysis of Eisai's filings and grants, buy the databook here.

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GlobalData patents database covers bibliographic from all 100+ patenting authorities. All patents are tagged to 18+ industries and 300+ sub-sectors based on technology classification, keywords, and associated companies. They are also tagged to various industries themes (100+) and technology domains (1800+) of focus.

Patents database further disambiguates assignee names (13m names) and associate corporate tree hierarchy in current/point in time ownerships (320k entities). GlobalData sources content directly from national patent offices on a weekly basis.