Changeflow GovPing Healthcare Stent Graft with Fenestration
Routine Notice Added Final

Stent Graft with Fenestration

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Prosthetics (A61F)
Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent application EP3881800A1 for a stent graft with fenestration, filed by RIBS, Inc. (inventor: OHKI Takao). The patent application was published March 25, 2026, designating all EU member states. This represents a routine patent publication with no immediate compliance implications for regulated entities.

What changed

The European Patent Office published patent application EP3881800A1 titled 'Stent Graft Having Fenestration Part' filed by RIBS, Inc. with inventor OHKI Takao. The application relates to medical devices in the prosthetics field (IPC classification A61F 2/07) and designates all EU member states plus other EPC contracting states.

This document is a standard patent publication notice and does not impose any compliance obligations, reporting requirements, or deadlines on industry participants. Companies developing or manufacturing fenestrated stent graft technology should monitor the prosecution of this application if it may affect their freedom to operate. No immediate action is required by compliance teams.

Source document (simplified)

← EPO Patent Bulletin

STENT GRAFT HAVING FENESTRATION PART

Publication EP3881800A1 Kind: A1 Mar 25, 2026

Applicants

RIBS, Inc.

Inventors

OHKI Takao

IPC Classifications

A61F 2/07 20130101AFI20220602BHEP

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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Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP3881800A1

Who this affects

Applies to
Medical device makers Healthcare providers
Industry sector
3345 Medical Device Manufacturing
Activity scope
Medical Device Patents
Geographic scope
European Union EU

Taxonomy

Primary area
Healthcare
Operational domain
Legal
Topics
Medical Devices Intellectual Property

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