X. Miscellaneous

The information provided for in the brochure reflects the situation at national level in January 2024. In contrast, the finance related information shows the status in January 2026. Please verify the information with the national offices concerned by not least using the information on the respective websites.

Contracting states

Validation/Extension states

Contracting state	Switzerland / Liechtenstein
1Simultaneous protection allowed? Art. 139(3) and 140 EPC	No; to the extent that it protects the same invention, the national patent ceases to have effect. Art. 125 PA
2Territorial field of application pursuant to Art. 168 EPC	Territory of the Swiss Confederation and of the Principality of Liechtenstein Treaty CH/LI of 22.12.78

Contracting state

Switzerland / Liechtenstein

No; to the extent that it protects the same invention, the national patent ceases to have effect.

Art. 125 PA

Territory of the Swiss Confederation and of the Principality of Liechtenstein

Treaty CH/LI of 22.12.78

Patent knowledge