Nucleic Acid Complex Patent
Summary
The European Patent Office published patent application EP4032551A1 for a nucleic acid complex, filed by National University Corporation Tokyo Medical and Dental University and Takeda Pharmaceutical Company Limited. The patent covers therapeutic applications in neurological disorders (A61P 25/00) and related formulations. Pharmaceutical and biotechnology companies developing nucleic acid-based therapeutics should review this publication.
What changed
The European Patent Office published patent application EP4032551A1 for a nucleic acid complex, covering IPC classifications including A61K 47/54 (formulations), A61K 48/00 (gene therapy), A61P 25/00 (neurological disorders), and C12N 15/113 (nucleic acid sequences). The application designates all EU member states plus several other European countries. The applicants are National University Corporation Tokyo Medical and Dental University and Takeda Pharmaceutical Company Limited.
No compliance deadline applies to this patent publication notice. Pharmaceutical and biotech companies developing nucleic acid therapeutics should review this publication to assess freedom-to-operate implications and potential licensing opportunities. Competitors should evaluate whether their existing or planned products fall within the scope of these patent claims.
Source document (simplified)
NUCLEIC ACID COMPLEX
Publication EP4032551A1 Kind: A1 Mar 25, 2026
Applicants
National University Corporation Tokyo Medical
and Dental University, Takeda Pharmaceutical Company Limited
Inventors
YOKOTA, Takanori, NAGATA, Tetsuya, FURUKAWA, Hideki, YOGO, Takatoshi, NAKAGAWA, Yasuo, SASAKI, Shigekazu, TOKUNOH, Ryosuke, SEKI, Tomohiro, HIDAKA, Kosuke, KIKUCHI, Fumiaki, KUBO, Osamu, KASAHARA, Takahito, KOJIMA, Takuto, WANG, Junsi, TOKUNAGA, Norihito
IPC Classifications
A61K 47/54 20170101AFI20231115BHEP A61K 48/00 20060101ALI20231115BHEP A61P 25/00 20060101ALI20231115BHEP A61P 43/00 20060101ALI20231115BHEP C12N 5/079 20100101ALI20231115BHEP C12N 5/10 20060101ALI20231115BHEP C12N 15/113 20100101ALI20231115BHEP A61K 31/713 20060101ALI20231115BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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