PTC Therapeutics Huntington's Disease Compound Patent
ChangeBridge: EPO Bulletin - Organic Chemistry (C07D)
Summary
The European Patent Office published patent application EP4219466A1 for PTC Therapeutics, Inc., covering heterocyclic compounds for treating Huntington's disease. The patent application, published March 25, 2026, includes 26 inventors and designates 35 states including EU member states. IPC classifications indicate therapeutic applications for nervous system disorders (A61P 25/28).
What changed
EPO published patent application EP4219466A1 for PTC Therapeutics covering compounds for treating Huntington's disease. The patent relates to heterocyclic compounds classified under C07D (401/14, 413/14, 417/14, 487/04), pharmaceutical compositions under A61K (31/501, 31/53), and therapeutic use for neurodegenerative conditions under A61P 25/28. Designated states cover all EU member states plus Switzerland, Norway, and other EPC contracting states.
Pharmaceutical companies and biotech firms developing treatments for Huntington's disease should review this patent for freedom-to-operate considerations and competitive landscape assessment. Legal teams should evaluate whether this patent could affect existing R&D programs or partnerships. No immediate compliance action required as this is a patent publication rather than an enforcement action or regulatory requirement.
What to do next
- Conduct freedom-to-operate analysis for any Huntington's disease compound development programs
- Review patent claims for potential licensing or partnership opportunities
- Monitor EPO register for subsequent office actions or amendments
Source document (simplified)
COMPOUNDS FOR TREATING HUNTINGTON'S DISEASE
Publication EP4219466A1 Kind: A1 Mar 25, 2026
Applicants
PTC Therapeutics, Inc.
Inventors
SYDORENKO, Nadiya, ALAM, Rauful, AMEDZO, Lukiana, ARNOLD, Michael A., BABU, Suresh, BHATTACHARYYA, Anuradha, KARP, Gary Mitchell, KENTON, Nathaniel T., LUONG, Tom Tuan, MAZZOTTI, Anthony R., MOON, Young-Choon, MORRILL, Christie, MSZAR, Nicholas W., NARASIMHAN, Jana, PATEL, Jigar S., REN, Hongyu, TURPOFF, Anthony, WANG, Gang, WOLL, Matthew G., ZHANG, Nanjing, ZHANG, Xiaoyan
IPC Classifications
C07D 401/14 20060101AFI20230508BHEP C07D 413/14 20060101ALI20230508BHEP C07D 417/14 20060101ALI20230508BHEP C07D 487/04 20060101ALI20230508BHEP A61K 31/501 20060101ALI20230508BHEP A61K 31/53 20060101ALI20230508BHEP A61P 25/28 20060101ALI20230508BHEP
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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