I. Requirements for Luxembourg after EP grant
I.1 Translation requirements
No translation required
I.2 Professional representative
I.3 Period for filing the translation
I.4 Office fee
II. Double-patenting allowed?
No; to the extent that it protects the same invention, the national patent ceases to have effect from the date on which
(a) the period for filing the notice of opposition to the European patent expires without such notice being filed, or
(b) the opposition proceedings are finally closed, the European patent having been maintained.
(c) the national patent is granted if such date falls after that provided for in (a) or (b).
Territory of the Grand Duchy of Luxembourg