1Simultaneous protection allowed?
No; to the extent that the national patent protects the same invention with the same right to priority for the same patentee or his successor in title, 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).
Simultaneous protection by utility model is allowed.
Art. 35e PA
2Territorial field of application
Territory of the Czech Republic