Changeflow GovPing Pharma & Drug Safety Pyrrolo and imidazo pyridine compounds, protein...
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Pyrrolo and imidazo pyridine compounds, protein kinase inhibitors, therapeutic applications

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Summary

EPO published patent EP3697787A1 for HK inno.N Corporation covering pyrrolo[2,3-b]pyridine and imidazo[4,5-b]pyridine compounds as protein kinase inhibitors for therapeutic applications including cancer, metabolic, and neurological disorders.

What changed

EPO published patent EP3697787A1 granting HK inno.N Corporation exclusive rights to pyrrolo[2,3-b]pyridine and imidazo[4,5-b]pyridine compounds as protein kinase inhibitors. The patent covers therapeutic applications including A61P 3/00 (metabolic disorders), A61P 25/00 (neurological disorders), and A61P 35/00 (cancer). The patent is designated across 31 European states including DE, FR, GB, IT, ES, NL, BE, and SE.

For pharmaceutical companies developing kinase inhibitor therapies, this patent establishes protected compound classes that may require licensing agreements or design-around strategies. Competitors in the targeted therapeutic areas should review their compound pipelines for potential overlap with the protected chemical structures.

What to do next

  1. Monitor for updates
  2. Assess freedom-to-operate implications for competing kinase inhibitor development
  3. Evaluate potential licensing opportunities

Archived snapshot

Apr 8, 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

PYRROLO[2,3-B]PYRIDINE AND IMIDAZO[4,5-B]PYRIDINE COMPOUNDS AS A PROTEIN KINASE INHIBITORS

Publication EP3697787A1 Kind: A1 Apr 01, 2026

Applicants

HK inno.N Corporation

Inventors

LEE, Hyuk Woo, JI, Mi Kyung, KIM, Seung Chan, YU, Ha Na, JUNG, Soo Yeon, PARK, Ji-Yeon, LEE, Ye-Lim, LEE, Ho-Youl, KI, So Young, KIM, Dongkyu, KIM, Myeongjoong

IPC Classifications

C07D 471/04 20060101AFI20221110BHEP A61K 31/437 20060101ALI20221110BHEP A61K 31/519 20060101ALI20221110BHEP C07D 487/04 20060101ALI20221110BHEP C07D 201/00 20060101ALI20221110BHEP A61P 3/00 20060101ALI20221110BHEP A61P 25/00 20060101ALI20221110BHEP A61P 35/00 20060101ALI20221110BHEP

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
Minor
Document ID
EP3697787A1

Who this affects

Applies to
Pharmaceutical companies Drug manufacturers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent grant Drug compound protection IP portfolio management
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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