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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. 31

1 An ac­tion for as­sign­ment must be filed with­in two years from the of­fi­cial date of the pub­lic­a­tion of the pat­ent spe­cific­a­tion.

2 An ac­tion against a de­fend­ant act­ing in bad faith has no fil­ing dead­line.