Any person who is involved in administrative proceedings provided for in this Act and does not have a residence or principal place of business in Switzerland must designate an address for service in Switzerland unless international law or the competent foreign body permits the authority to serve documents directly in the state concerned.40. An address for service in Switzerland is not required for:41
filing a patent application for the purpose of being accorded a filing date;
paying fees, filing translations and filing and handling requests after the grant of the patent, in so far as the requests do not give rise to any objections.42
The IPI is entitled to declare to the competent foreign body that direct service is permitted in Switzerland in intellectual property matters provided Switzerland is granted reciprocal rights.43
The provisions concerning the practice of the profession of attorney remain reserved.