 While, before grant, the legal security of third parties has been considered to be "sufficiently protected by the prohibition of extending the content of the application by amendment beyond what was originally disclosed", without therefore prohibiting a broadening of the claims before grant, the situation is different after grant.After grant, "the interests of third parties are further protected by Article 123(3) EPC [in that] the patentee's right to amend the claims is limited by the scope of the granted patent.