The European Patent Office published international patent application EP4170031A1 (publication date March 25, 2026) filed by Caris Science, Inc., covering aptamer compositions and their therapeutic and diagnostic applications. The patent claims methods for using aptamers in analysis and treatment, with IPC classifications in C12N 15/115, G01N 33/53, C12Q 1/68, and related categories. The designated states cover most EU and EEA countries including Germany, France, UK, Italy, Spain, and 24 other jurisdictions.

Pharmaceutical and biotechnology companies developing aptamer-based therapeutics or diagnostics should review this patent for freedom-to-operate considerations. Patent publications do not create compliance obligations but establish intellectual property rights that may affect research and development activities in the aptamer space.