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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).

Art. 15

1 The pat­ent lapses:

a.
if the pro­pri­et­or sur­renders it by writ­ten de­clar­a­tion to the IPI;
b.
if a re­new­al fee that has be­come due is not paid with­in the pre­scribed time.46

2 …47

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

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