TauRx Therapeutics Patent - MTC Synthesis Methods, Apr 2026
Summary
The European Patent Office published patent application EP4032880A2 for TauRx Therapeutics Management Ltd., covering methods of chemical synthesis of diaminophenothiazinium compounds including Methylthioninium Chloride (MTC). The application names inventors Sinclair, Nicoll, and Storey. The patent is classified under C07D 279/18 and C07C 381/02, with designation extending to 34 European member states including DE, FR, GB, IT, ES, NL, and others.
What changed
The European Patent Office published TauRx Therapeutics Management Ltd.'s patent application EP4032880A2 covering methods of chemical synthesis of diaminophenothiazinium compounds, specifically Methylthioninium Chloride (MTC). The application, filed under IPC classifications C07D 279/18 and C07C 381/02, designates 34 European contracting states including Germany, France, Italy, Spain, Netherlands, Sweden, and the United Kingdom. Inventors include James Peter Sinclair, Sarah Louise Nicoll, and John Mervyn David Storey.
For pharmaceutical manufacturers and biotechnology companies developing tau protein-targeted therapies, this patent could affect freedom-to-operate assessments for MTC-related drug development programs. Competitors should review the synthesis claims to identify potential licensing needs or design-around strategies. Healthcare investors monitoring TauRx Therapeutics should note the intellectual property protection being established for core technology ahead of potential commercialization in European markets.
What to do next
- Monitor EPO register for patent grant and opposition deadlines
- Review synthesis methods for potential licensing opportunities
- Assess freedom-to-operate implications for competing MTC compounds
Archived snapshot
Apr 9, 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.
METHODS OF CHEMICAL SYNTHESIS OF DIAMINOPHENOTHIAZINIUM COMPOUNDS INCLUDING METHYLTHIONINIUM CHLORIDE (MTC)
Publication EP4032880A2 Kind: A2 Apr 01, 2026
Applicants
TauRx Therapeutics Management Ltd.
Inventors
SINCLAIR, James Peter, NICOLL, Sarah Louise, STOREY, John Mervyn David
IPC Classifications
C07D 279/18 20060101AFI20221020BHEP C07C 381/02 20060101ALI20221020BHEP
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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