USPTO Patent Grant: Cancer Treatment Compositions
Summary
The USPTO has granted a patent (US12582690B2) to the Korea Institute of Science and Technology for compositions containing Rubus longisepalus var. tozawai extracts for preventing or treating cancer. The patent details specific anticancer efficacy against various cancers, including diffuse-type gastric cancer.
What changed
The United States Patent and Trademark Office (USPTO) has issued patent US12582690B2, granting exclusive rights to the Korea Institute of Science and Technology for novel compositions designed to prevent or treat cancer. These compositions utilize extracts from the plant Rubus longisepalus var. tozawai (Nakai) T.B.Lee, or fractions thereof, as active ingredients. The patent highlights the extract's efficacy against various cancers, specifically mentioning diffuse-type gastric cancer, suggesting potential for developing new therapeutic agents.
This patent grant represents a new intellectual property right for a specific therapeutic composition. While it does not impose direct compliance obligations on other entities, it establishes exclusive rights for the assignee. Companies operating in the oncology space, particularly those researching or developing plant-based therapeutics, should be aware of this patent to avoid potential infringement. The patent's abstract and CPC classifications (including A61P 35/00 for Antineoplastic and antimetabolite drugs) indicate the specific area of innovation.
Archived snapshot
Mar 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Compositions for preventing or treating cancer comprising extracts of Rubus longisepalus var. tozawai (nakai) t.b.lee
Grant US12582690B2 Kind: B2 Mar 24, 2026
Assignee
Korea Institute of Science and Technology
Inventors
Hak Cheol Kwon, Jaeyoung Kwon, Seong-Hwan Kim, Jin Wook Cha, Soon Kwang Lee, Won Kyu Kim, Yujin Kwon, Suyeon Cho, Taek Joo Lee, Jung Hwa Kang, Wan Hee Lee, Hyunki Kim
Abstract
Provided are compositions for preventing or treating cancer, the compositions including Rubus longisepalus var. tozawai (Nakai) T.B.Lee extracts, or a fraction thereof as an active ingredient. According to an aspect, a Rubus longisepalus var. tozawai (Nakai) T.B.Lee extract has an excellent anticancer efficacy against various cancers including diffuse-type gastric cancer, and thus, a cancer treatment agent having an excellent effect may be developed by using the extract as an active ingredient.
CPC Classifications
A61K 36/73 A61K 36/268 A61K 2236/37 A61K 2236/333 A61P 35/00 A61P 1/00
Filing Date
2022-10-07
Application No.
17962026
Claims
5
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