Entropy Neurodynamics Limited (ASX:ENP), a clinical-stage biotechnology company developing precision-controlled psychedelic therapies, has been granted a South African patent covering proprietary crystalline forms of psilocin, with protection extending through to September 2043, further expanding the company's international intellectual property portfolio supporting its TRP-8803 development program.
Key Points
- South African Patent No. 2025/03086, titled "Psilocin Crystalline Forms," has been granted to Entropy Neurodynamics, covering crystalline forms of psilocin and associated pharmaceutical compositions and methods of preparation.
- The patent follows the earlier 2026 grant of a corresponding Australian patent (No. 2023343417) covering the same subject matter.
- Patent protection runs for 20 years from 12 September 2023, subject to applicable renewal fees, providing coverage through to 2043.
- The company is progressing additional patent applications across key jurisdictions including the US, covering proprietary formulations, treatment methods, biomarker-guided dosing and indication-specific applications including Binge Eating Disorder and Irritable Bowel Syndrome.
South African Patent Details and Scope
The South African patent, numbered 2025/03086 and titled "Psilocin Crystalline Forms," covers crystalline forms of psilocin — described as the active metabolite of psilocybin — along with associated pharmaceutical compositions and methods of preparation. According to the filing, these crystalline forms offer improved stability, solubility and consistency compared with conventional psilocin formulations, addressing considerations in the development and manufacture of pharmaceutical-grade therapeutics. The patent has a term of 20 years from 12 September 2023, subject to applicable renewal fees, providing protection through to 2043.
Relationship to TRP-8803 Program and Existing IP Portfolio
The newly granted patent complements Entropy's existing intellectual property portfolio supporting TRP-8803, the company's proprietary precision-controlled intravenous psilocin treatment platform. The company's broader IP portfolio now includes granted Australian patents covering its proprietary precision-controlled IV dosing methodology and psilocin crystalline forms, together with South African patents protecting fibromyalgia treatment methods and, following this latest grant, crystalline psilocin formulations. The filing states the latest grant broadens the company's IP position across complementary aspects of psilocin-based drug development.
International Patent Applications in Progress
Beyond the patents already granted in Australia and South Africa, Entropy disclosed it is progressing additional patent applications across key international jurisdictions, including the United States. These applications cover proprietary formulations, treatment methods, biomarker-guided dosing and indication-specific applications, including Binge Eating Disorder and Irritable Bowel Syndrome. CEO Jason Carroll stated in the filing that the company is "systematically building a global IP portfolio designed to support the long-term commercial potential of TRP-8803," and that the approach is intended to strengthen the company's position in future licensing and strategic partnership discussions.



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