2.2 How must an international application be filed with the EPO as receiving Office?
2.2.001International applications must be filed using the PCT request form (PCT/RO/101), preferably in electronic form (e-filing) or alternatively on paper. They may be filed online, by delivery by hand, by post or by fax. If the application is filed in electronic form, fee reductions apply (see point 2.26.024).
R. 11, 92.4 PCT
OJ 2017, A11
OJ 2018, A18, A27
OJ 2019, A18
OJ 2021, A42, A43
WIPO PCT Guide
2.2.002It is not possible to file an international application by email, telegram, telex or Teletext.