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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. 52124

1 Each in­de­pend­ent claim may define one in­ven­tion only, namely:

a.
a pro­cess; or
b.
a product, a means for per­form­ing a pro­cess or an ap­par­at­us; or
c.
an ap­plic­a­tion of a pro­cess; or
d.
a use for a product.

2 A pat­ent may con­tain sev­er­al in­de­pend­ent claims when they define a set of in­ven­tions that are linked to each oth­er in such a way that they con­sti­tute a single over­all in­vent­ive concept.

124Amended by No I of the FA of 17 Dec. 1976, in force since 1 Jan. 1978 (AS 1977 1997; BBl 1976 II 1).