Changeflow GovPing Pharma & Drug Safety EPO Patent: Tetrahydrocyclopentyl Pyrrole Deriv...
Routine Notice Added Final

EPO Patent: Tetrahydrocyclopentyl Pyrrole Derivative Preparation and Use

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Therapeutics (A61P)
Published March 18th, 2026
Detected March 23rd, 2026
Email

Summary

The European Patent Office has published patent application EP4635949A1 concerning the preparation and use of a substituted tetrahydrocyclopentyl pyrrole derivative. The patent application lists Jiangsu NHWA Pharmaceutical Co., Ltd as the applicant and details various inventors.

What changed

The European Patent Office (EPO) has published patent application EP4635949A1, titled 'SUBSTITUTED TETRAHYDROCYCLOPENTYL[C]PYRROLE DERIVATIVE, PREPARATION METHOD, INTERMEDIATE AND USE THEREOF'. The application, filed by Jiangsu NHWA Pharmaceutical Co., Ltd, details a specific chemical compound, its preparation method, an intermediate, and its intended use, with a publication date of March 18, 2026. The International Patent Classification (IPC) codes indicate relevance to organic chemistry, medicinal preparations, and therapeutic uses, particularly for neurological conditions.

This publication represents a new patent application and does not impose immediate regulatory obligations on companies. However, it signifies potential new intellectual property in the pharmaceutical sector, particularly concerning drug development for central nervous system disorders. Companies operating in this space should be aware of this filing as it may impact future market exclusivity and competitive landscapes. No compliance actions are required at this stage, but monitoring the patent's prosecution and eventual grant status is advisable for entities involved in related research or commercialization.

Source document (simplified)

← EPO Patent Bulletin

SUBSTITUTED TETRAHYDROCYCLOPENTYL[C]PYRROLE DERIVATIVE, PREPARATION METHOD, INTERMEDIATE AND USE THEREOF

Publication EP4635949A1 Kind: A1 Mar 18, 2026

Applicants

Jiangsu NHWA Pharmaceutical Co., Ltd

Inventors

DOU, Fei, DONG, Yingying, HU, Jumeng, PAN, Yongkai, DOU, Pengfei, GE, Meng, WANG, Dongli, GUO, Qiang, XU, Xiangqing, WU, Guosheng, CAI, Yingchun

IPC Classifications

C07D 401/14 20060101AFI20240621BHEP C07D 403/14 20060101ALI20240621BHEP C07D 487/00 20060101ALI20240621BHEP A61K 31/407 20060101ALI20240621BHEP A61K 31/506 20060101ALI20240621BHEP A61P 25/00 20060101ALI20240621BHEP A61P 25/22 20060101ALI20240621BHEP A61P 25/24 20060101ALI20240621BHEP

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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

View original document →

Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4635949A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Drug Development Patent Filing
Geographic scope
European Union EU

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Intellectual Property Drug Development

Get Pharma & Drug Safety alerts

Weekly digest. AI-summarized, no noise.

Free. Unsubscribe anytime.

Get alerts for this source

We'll email you when ChangeBridge: EPO Bulletin - Therapeutics (A61P) publishes new changes.

Free. Unsubscribe anytime.