In 2004 the FFII e.V. opposed to Amazons one-click gift order patent granted by the European Patent Office.
- 1998-09-11: patent filed
- 1999-07-07: patent published
- 2003-04-23: patent granted
- 2003-08-27: opposition by Gesellschaft für Informatik e.V.
- 2003-09-29: opposition by Fleuop-Interflora European Business Company AG
- 2004-01-23: opposition by FFII e.V.
- 2007-12-07: oral proceedings by EPO opposition department
- 2008-06-09: patent revoked
- 2008-08-19: patent revocation appealed by Amazon
- 2009-11-11: oral proceedings by EPO boards of appeal
- decision: decision to revoke the patent is set aside (so patent is kept valid), remittal to opposition department
- 2013-01-15: oral proceedings by EPO opposition devision