HomeIP-GuideSwitzerland General informationInvention (PCT National Phase) Switzerland


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Swiss PCT national phase entry

from 1312.00
Total Number of Claims/PCT
Number of Priorities
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  • Patent fees

Fees associated with the Swiss PCT national phase entry as well as other patent fees are available in the fee calculator.

  • Time limits for the PCT national phase entry in Switzerland 

The time limit for the Swiss national phase entry of a PCT application is 30 months from the priority date. The restoration of this term is not possible.

  • Minimum of filing documents in Switzerland

To obtain a filing date a patent application in Switzerland based on PCT should contain:
- written confirmation of the name of the inventor;
- declaration of the source of genetic resources and traditional knowledge;
- international application in one of the official languages;
- payment of the official filing fee.

  • Language of a Swiss patent application

The official languages for patent registration in Switzerland are German, French and Italian. Translation into one of the official languages is required simultaneously with entering PCT national phase in Switzerland.

  • Power of Attorney requirements

It is not usually required to submit the Power of Attorney. However, it may be requested by the Swiss Federal Institute of Intellectual Property (IPI).

  • Substantive examination

No request for conduction of a substantive examination is required. Before beginning of the substantive examination, the IPI sends an invoice for examination, where it indicates a time limit for payment of the prescribed fees.

  • Novelty grace period

If the invention became available to the public within six months prior to the international filing date or priority date, such a disclosure does not disprove the novelty of the invention in Switzerland.

  • Grant and maintenance fees

When the examination procedure is successfully completed, the IPI shall register the patent in the Swiss Patent Register. After registration, the IPI shall publish a patent specification for a patent granted. The date of publication is the date of the grant. No grant and publication fees are required in Switzerland. Renewal fees should be paid for each patent application or granted patent from the fourth year after the international filing date. Renewal fees should be paid annually on the last day of the month in which the patent application based on the PCT was filed. Patents in Switzerland may be renewed within six months after the due date by paying the extra fees.

  • Representation by a patent attorney

To perform the Swiss PCT national phase entry, foreign persons should appoint an agent, a registered Swiss patent attorney.

  • Notes

1. Online Search Databases: Swiss Patents, European Patents (EPO).
2. Swiss patent is automatically valid in Liechtenstein as the countries have the same patent regulations based on a bilateral treaty.
3. Patent protection in Switzerland may be obtained via European PCT regional phase
without validation action.
4. Entering the national phase of a PCT application as a Utility Model is not possible in Switzerland.

The above information was verified on 09.02.2021
Please contact us if the above information is not in conformity with Swiss IP Laws.