Federal Act
on Patents for Inventions
(Patents Act, PatA)1

of 25 June 1954 (Status as of 1 July 2023)

1Amended by No I of the FA of 3 Feb. 1995, in force since 1 Sept. 1995 (AS 1995 2879; BBl 1993 III 706).


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Art. 18

1 …59

2 The right of pri­or­ity may be claimed by the first ap­plic­ant or the per­son who has ac­quired the right be­long­ing to the first ap­plic­ant to file a pat­ent ap­plic­a­tion in Switzer­land for the same in­ven­tion.60

3 If the first fil­ing, the fil­ing in Switzer­land or both were ef­fected by a per­son who was not en­titled to the grant of the pat­ent, the en­titled per­son may claim the pri­or­ity de­riv­ing from that first fil­ing.61

59 Re­pealed by No I of the FA of 17 Dec. 1976, with ef­fect from 1 Jan. 1978 (AS 1977 1997; BBl 1976 II 1).

60Amended by No I of the FA of 17 Dec. 1976, in force since 1 Jan. 1978 (AS 1977 1997; BBl 1976 II 1).

61Amended by No I of the FA of 17 Dec. 1976, in force since 1 Jan. 1978 (AS 1977 1997; BBl 1976 II 1).

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