Where and how to file
You can file European patent applications in electronic form using the EPO Online Filing software, which can be obtained from the EPO free of charge (see www.epo.org). Filings using this software may be made online or on electronic data carriers admitted by the EPO.
OJ 2007, Special edition No. 3, A.5
Alternatively, you may use the EPO case management system (CMS) or the EPO web-form filing service, which are also provided free of charge via the EPO website (www.epo.org).
More than 95% of all European patent applications are filed in electronic form.  
You can also file European patent applications in person, by postal services or by fax  
with the EPO in Munich, its branch at The Hague or its sub-office in Berlin, but not at its sub-offices in Vienna and Brussels. 
with the central industrial property office or other competent authority of a contracting state if the law of that state so permits or prescribes. 
Divisional applications must however be filed direct with the EPO. 
If you decide not to file online, the EPO's addresses are given in Annex IV. The addresses of the national patent authorities and national provisions of the contracting states governing compulsory or optional filing of European patent applications with such authorities are given in "National law relating to the EPC" (see point 4).
One of the benefits of electronic filing is that the original quality of the documents is maintained. If you file on paper by post or especially by fax, the quality of the documents may be reduced. This may result in an invitation for you to file replacement documents of better quality. 
For applications filed in electronic form either with the EPO or with a competent national authority (see point 107), the filing fee is reduced.
On the EPO website you will find more information regarding the other online services provided by the EPO and their advantages, such as Online Fee Payment, My Files, Secure File Inspection and the Mailbox service. 
You cannot file European patent applications with the EPO by e-mail or by any other means than those described above.
You can also file European patent applications in electronic form with the competent national authorities of the contracting states which so permit.  
OJ 2007, Special edition No. 3, A.3
National law relating to the EPC, 18th edition 
You can file by fax with the EPO, and with the competent national authorities of those contracting states which so permit. For further details, see the latest version of "National law relating to the EPC" on the EPO website (www.epo.org).
As the EPO uses an optical character recognition system to capture European patent applications for printing, you are urged to use a machine-readable typeface for your applications (see point 71).
OJ 1993, 59
In the event of the unavailability of, or a general breakdown in, any of the means of electronic communication permitted by the President of the EPO, the general safeguards under the EPC apply. 
No confirmation on paper is needed if you file your application electronically. If you file by fax and the fax is received in poor quality, the EPO may ask you to file paper confirmation. 
When filing a paper confirmation, you should indicate clearly that the document constitutes "confirmation of a document filed on ... by fax". 
OJ 2007, Special edition No. 3, A.3

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