Changeflow GovPing Pharma & Drug Safety Plant Silencing Construct Protects Against Toma...
Routine Notice Added Final

Plant Silencing Construct Protects Against Tomato Spotted Wilt Virus

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Biotech (C12N)
Published March 25th, 2026
Detected April 2nd, 2026
Email

Summary

The European Patent Office published patent application EP4353824A1 for Universidade de Évora's plant silencing construct designed to protect tomato plants against tomato spotted wilt virus (TSWV). The invention utilizes RNA interference technology targeting viral RNA sequences. The application designates all EU member states plus several European Economic Area countries.

What changed

EPO published patent application EP4353824A1, filed by Universidade de Évora (Portugal), covering a genetic construct for inducing gene silencing in plants to confer resistance against tomato spotted wilt virus. The construct is classified under C12N 15/82 (plant genetic engineering) and C07K 14/08 (viral proteins). The application names nine inventors and claims priority from August 2023.

This is a standard patent publication notice with no regulatory compliance requirements. Agricultural biotechnology companies developing virus-resistant plant varieties should review this publication for freedom-to-operate considerations when designing similar products. Companies active in RNA interference-based plant protection technologies should assess potential patent conflicts. No action is required for general compliance purposes.

Source document (simplified)

← EPO Patent Bulletin

CONSTRUCT FOR INDUCING SILENCING IN PLANTS AND METHOD FOR PROTECTING THEM AGAINST TOMATO SPOTTED WILT VIRUS

Publication EP4353824A1 Kind: A1 Mar 25, 2026

Applicants

Universidade de Évora

Inventors

REIS VARANDA, CARLA MARISA, DE QUEIROZ MATERATSKI, PATRICK JOSÉ, FERNANDES FÉLIX, MARIA DO ROSÁRIO, MURTEIRA RICO DA COSTA CAMPOS, MARIA DOROTEIA, CARDOSO PATANITA, MARIANA, BARRETO ALBUQUERQUE, ANDRÉ FILIPE, AMARO RIBEIRO, JOANA

IPC Classifications

C12N 15/82 20060101AFI20230808BHEP C07K 14/08 20060101ALI20230808BHEP

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 →

Named provisions

Construct for Inducing Silencing in Plants Method for Protecting Plants Against TSWV

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
EP4353824A1

Who this affects

Applies to
Agricultural firms Manufacturers
Industry sector
1111 Crop Production 3254 Pharmaceutical Manufacturing
Activity scope
Patent Filing Biotechnology Research
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Agriculture Pharmaceuticals

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 - Biotech (C12N) publishes new changes.

Optional. Personalizes your daily digest.

Free. Unsubscribe anytime.