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Thieno[3,2-b]pyridin-7-amine Compounds for Treating Familial Dysautonomia

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Summary

The European Patent Office published patent EP3924049A1 granting PTC Therapeutics, Inc. exclusive rights to thieno[3,2-b]pyridin-7-amine compounds for treating familial dysautonomia. The patent covers A61K 31/4365 compounds and lists nine inventors including researchers from PTC's team. Protection extends to 38 designated European member states including Germany, France, the United Kingdom, Italy, Spain, and other EU territories.

What changed

The EPO published patent EP3924049A1 for PTC Therapeutics covering thieno[3,2-b]pyridin-7-amine compounds classified under A61K 31/4365 for treating familial dysautonomia, a rare genetic disorder affecting the autonomic nervous system. The patent names nine inventors and designates 38 European contracting states including 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, and TR.

For pharmaceutical manufacturers and biotech companies developing rare disease therapies, this patent establishes PTC Therapeutics' intellectual property position in the EU for this specific compound class. Competitors pursuing similar mechanisms for familial dysautonomia must evaluate potential infringement risks and consider patent clearance strategies or licensing negotiations before market entry in designated European territories.

What to do next

  1. Review patent claims to assess freedom-to-operate in EU markets
  2. Monitor patent family for opposition or validation deadlines in target European markets
  3. Assess licensing needs if developing competing therapies for familial dysautonomia in the EU

Archived snapshot

Apr 9, 2026

GovPing 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.

← EPO Patent Bulletin

THIOENO[3,2-B]PYRIDIN-7-AMINE COMPOUNDS FOR TREATING FAMILIAL DYSAUTONOMIA

Publication EP3924049A1 Kind: A1 Apr 01, 2026

Applicants

PTC Therapeutics, Inc.

Inventors

ZHANG, Nanjing, ARNOLD, Michael A., DAKKA, Amal, KARP, Gary Mitchell, LUONG, Tom Tuan, NARASIMHAN, Jana, NARYSHKIN, Nikolai A., WANG, Jiashi, ZHANG, Xiaoyan

IPC Classifications

A61P 25/00 20060101AFI20200821BHEP C07D 495/04 20060101ALI20200821BHEP A61K 31/4365 20060101ALI20200821BHEP

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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Last updated

Classification

Agency
EPO
Published
April 1st, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Substantive
Document ID
EP3924049A1

Who this affects

Applies to
Pharmaceutical companies Drug manufacturers Clinical investigators
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent examination IP licensing Drug development
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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